RE50214 Nivometer.pdf

Float switchwith two switching contacts and one temperature contact, with resistance measuring chain/ resistance thermometer Type ABZMS-36 RE 50214/06.09 Replaces: 04.07 AB 31-36 1/16 Component series 1X Table of contents Contents Features, symbol Ordering code Selection tables of standard types Technical data Mating connectors Float switch with two switching contacts (Unit dimensions, contact assignment, function) Float switch with two switching contacts and temperature contact (unit dimensions, contact assignment, function) Float switch with resistance measuring chain and resistance thermometer (unit dimensions, contact assignment, function) Switching element insert (spare part) Oil volume for float switches Installation opening of tank cover Adapter for float switch AB 31-04 Installation notes Use in potentially explosive atmospheres (ATEX) Normative references Page 1 2 2, 3 3 to 5 5 6, 7 Features – Float switches are switching devices, which are operated by a float moved by a fluid. They are used to regulate fluid levels in tanks of power units of type ABMAG ... size 100 up to 800 liters according to data sheet RE 51098 – Two series are available: • Float switch with adjustable switching contacts and optionally firmly set temperature contact • Float switch with resistance measuring chain (level) and resistance thermometer (temperature) with analogue output 4 to 20 mA 8, 9 Symbol 10, 11 12 13, 14 15 15 16 16 16 With two switching contacts With two switching contacts and one temperature contact With resistance measuring chain / resistance thermometer –Sx L1 -.. L2 -.. 4-20mA 4-20mA . Selection table: Float switch with two switching contacts (.F-.57 ] L = 500 mm [19.24] = No code = FE Order example: – Float switch with flanged connection.09 Ordering code ABZM Power unit accessories Measuring instruments Float switch Variant S 36 1X Electrical connection K24 = Plug-in connector 04-pin M12x1 K14 = Plug-in connector 04-pin (3+PE) DIN EN 175301-803 (Float switch without temperature contact) K6 = Plug-in connector 07-pin (6+PE) DIN EN 175201-804 (Float switch with temperature contact) No code = = 0370 = 0500 = 0800 = 1000 = 1200 –T63F = –T70F = –T80F = No code = Temperature contact Variant M: without temperature contact Switching contact n/c at 63 °C Switching contact n/c at 70 °C Switching contact n/c at 80 °C Variant R: with resistance thermometer 1) = ABZM =S = 36 Component series 10 to 19 = 1X (10 to 19: unchanged installation and connection dimensions) Float switch Switching element insert (spare part) Ordered length in mm [inch] L = 370 mm [14....50] 1000 [39. R901066117 1) M= R= Level measurement With two switching contacts (n/o / n/c) With resistance measuring chain (analogue output 4 to 20 mA) Mating connectors are not included in the scope of supply and must be ordered separately (see page 5)..M-..57] 500 [19.24] 1) Type ABZMS-36-1X/0370M-K24 ABZMS-36-1X/0500M-K24 ABZMS-36-1X/0800M-K24 ABZMS-36-1X/1000M-K24 ABZMS-36-1X/1200M-K24 Material number R901066117 R901066118 R901066119 R901066120 R901066122 1) Δ Δ Δ = standard types Selection table: Float switch with two switching contacts and temperature contact (.2/16 Bosch Rexroth AG Hydraulics ABZMS-36 RE 50214/06.69] 800 [31. ordered length 370 mm [14.) Ordered length in mm [inch] L 370 [14.50] 1000 [39.57 inch] – Plug-in connector K24 for mating connector Z24 (M12x1) ABZMS-36-1X/0370M-K24 Material no.57] 500 [19.69] 800 [31.37] L = 1200 mm [47.) Ordered length in mm [inch] L 370 [14.37] 1) Type ABZMS-36-1X/0370M-T70F-K24 ABZMS-36-1X/0500M-T70F-K24 ABZMS-36-1X/0800M-T70F-K24 ABZMS-36-1X/1000M-T70F-K24 Material number R901066141 R901066137 R901129137 R901153552 1) Δ Δ Δ = standard types .50] L = 1000 mm [39.37] 1200 [47.M-T.69] L = 800 mm [31.. with two pre-set switching contacts. 8 [4..69] 1.R-.4] 800 [31.57] ABZMS-36-1X/FE0370M-T70F-K24 ABZMS-36-1X/FE0370R-K24 ABZMS-36-1X/FE0500M-K24 500 [19.) – spare part for float switch Ordered length in mm [inch] L ABZMS-36-1X/FE0370M-K24 370 [14..7 [1.57] 0...24] 370 [14.09 ABZMS-36 Hydraulics Bosch Rexroth AG 3/16 Selection table: Float switch with resistance measuring chain and resistance thermometer (. please consult us!) General Hydraulic fluid temperature range Installation position Ambient temperature range Material – Sliding tube Ø18 mm [0..24] 1) Type Material number R901066126 R901066142 R901066138 R901066129 R901085331 R901066139 R901066132 R901066140 R901066133 R901066134 1) Δ Δ Δ Δ ABZMS-36-1X/FE0800M-K24 ABZMS-36-1X/FE0800R-K24 ABZMS-36-1X/FE1000M-K24 ABZMS-36-1X/FE1200M-K24 Δ = standard types Technical data (for applications outside these parameters.FE..36 inch] – Float – Flange Seal material Maximum switching point L1 Weight per ordered length mm [inch] kg [Ibs] °C [°F] –25 to +90 [–13 to +194] Vertical ±30 ° °C [°F] –25 to +90 [–13 to +194] CU alloy AL alloy 1.37] 1.5 [3.6] .1 [2.3] 1000 [39.50] 1) Type ABZMS-36-1X/0370R-K24 ABZMS-36-1X/0500R-K24 ABZMS-36-1X/0800R-K24 Material number R901066135 R901066136 R901122570 1) Δ Δ Δ = standard types Selection table: Switching element insert (.37] 1200 [47.57] 500 [19.1 [4.71 inch] – Protective tube Ø60 mm [2.4571 AL alloy Cellulose fibre with NBR binder mm [inch] 1200 [47.50] 1.24] 2.) Ordered length in mm [inch] L 370 [14.RE 50214/06.69] 800 [31.50] 1000 [39..69] ABZMS-36-1X/FE0500M-T70F-K24 ABZMS-36-1X/FE0500R-K24 800 [31.5] 500 [19.0] 1200 [47. switching cycles Response tolerance Hysteresis range Max.5 W/VA 10/30 Temperature contacts of float switches with K24 connection for mating connector M12x1. please consult us!) Hydraulic Maximum operating pressure Hydraulic fluid – Density – Resistance • Mineral oils • Flame-retardant hydraulic fluids Mineral oil Emulsions Watery solutions Phosphate esters Organic esters • Fast bio-degradable hydraulic fluids Synthetic esters Polyglycols HLP HFA-E HFC HFD-R HFD-U HEES HEPG to VDMA 24568 to VDMA 24317 Resistant to DIN 51524 to DIN 24320 g/cm3 > 0. 4-pin Switching voltage range Max. switching power VDC/VAC 10 to 230 A 0. switching current Max.09 Technical data (for applications outside these parameters. switching current Max.0] Triglycerides (rape seed oil) HETG Electrical Type of protection to DIN EN 60529 Plug-in connection Labeling IP 65 M12x1. switching power VDC 10 to 50 A 0. varistor). switching current Max. DIN EN 175201-804 CE (low-voltage directive 06/95/EC) Reed contacts of float switches with K24 connection for mating connector M12x1. 4-pin Switching voltage range Max. RC element. temperature change rate VDC 10 to 30 A 2 10 000 K ±4 K 2 to 10 K/min 1 In the case of inductive and capacitive loads. suppressor circuits must be provided (diodes. . 4-pin (material: Metal) DIN EN 175301-803.7 bar [psi] 8 [116.4/16 Bosch Rexroth AG Hydraulics ABZMS-36 RE 50214/06.5 W 10 Reed contacts of float switches with K14 connection to DIN EN 175301-803 / K6 to DIN EN 175201-804 Switching voltage range Max. 13] Designation LEITUNGSDOSE 4P Z24 SPEZ Ø19. RC element. R900031155 Designation LEITUNGSDOSE 4P Z24M12X1 +3MSPEZ Material no. Resistance measuring chain and resistance thermometer with K24 connection for mating connector M12x1.5 V) % 1 °C [°F] 0 to 100 [32 to 212] Mating connectors (nominal dimensions in mm [inch]) – for detailed information. tightening torque MT = 0. load Residual ripple content Temperature measuring range VDC 10 to 30 mA 4 to 20 mm 7.09 ABZMS-36 Hydraulics Bosch Rexroth AG 5/16 Technical data (for applications outside these parameters. R900002803 LEITUNGSDOSE 7P Z6 N6RFFK Mating connector for plug-in connector K24 with mouldedon PVC cable.5 A 0. 3 m long M12 x 1 41. suppressor circuits must be provided (diodes. switching cycles Response tolerance Hysteresis range Max.89] 1 1 fixing screw M3. R900064381 M12x1 [ 0.35] Mating connector for plug-in connector K6 to DIN EN 175201-804 66 [2.5 Nm Designation LEITUNGSDOSE 4P Z14 M SW SPEZ Mating connector for plug-in connector K24 Material no. see RE 08006 Mating connector for plug-in connector K14 to DIN EN 175301-803 53 [2. 4-pin Switching voltage range Output Resolution of resistance measuring chain Max.5 [1.02 (U-7.77] 54 [2. switching current Max.09] M16 x 1.6 .RE 50214/06. R901017012 Designation 1 Material no. temperature change rates VDC/VAC 10 to 230 A 2 10 000 K ±5 K 2 to 10 K/min 1 In the case of inductive and capacitive loads.6] Pg11 48 [1.63] Material no.2 [1.5 34. varistor). please consult us!) Temperature contacts of float switches with K14 connection to DIN 175301-803 / K6 to DIN EN 175201-804 Switching voltage range Max. max.76] 10 L L L1 ≥70 [2.76] 8 L2 ≥30 [1.57 inch] without protective tube 9 Float switch variant L from 500 mm [19. 30 VDC Plug-in connection DIN EN 175301-803.43] 3 3 90 [ 3.55] ~90 [~3.33] 13 36 [1.05] 60 [ 2.69 inch] with protective tube 1 Mating connector for plug-in connections K24 (M12x1).71] 9 ≥40 [1.54] 11 [0.55 inch] 11 Drilling patter 6 x 60° to DIN 24557 Part 2 12 Float with permanent magnet.30] 2 6 7 11 [0.24].42] 33 [1.42] 1 5 7 ~110 [~4.54] L2 ≥30 [1.91 x Ø1. see page 5 3 Flat seal 4 Switching point 5 Plug-in connector “K24“ 04-pin 12x1 10 Inner tube Ø 14 mm [0. see table on page 13 6 Plug-in connector “K14“ 04-pin (3+PE) DIN EN 175301-803 7 Nameplate 8 Float switch variant L up to 370 mm [14. see page 5 2 Mating connector for plug-in connections K14.2 [Ø0.18] 18 [ 0.09 Float switch with two switching contacts (variant M) Unit dimensions (nominal dimensions in mm[inch]) Plug-in connection M12x1.5 x 6.28 x 0. L1 and L2.58] 4 4 60 [2.58] ≥40 [1. radially magnetised.36] 6 [0.97] For dimensions L.43] 90 [ 3.54] 13 36 [1.87] 50 [1. max.6/16 Bosch Rexroth AG Hydraulics ABZMS-36 RE 50214/06.18] L1 ≥70 [2. 230 VAC 14 [0. north pole inside (dimensions: Ø23 x Ø32.24] 11 73 [2.36] 60 [2. material HF8/22) 13 Space required to remove mating connector .36] 12 12 52[ 2. are provided in the sliding tubes. The switching function can be changed by turning the contacts by 180°. L2 = normally open or normally closed as early warning L1 L2 Level function Two adjustable reed contacts (normally closed and normally open).09 ABZMS-36 Hydraulics Bosch Rexroth AG 7/16 Float switch with two switching contacts (variant M) Contact assignment Switching function with plug-in connection M12x1 1 2 4 3 Switching function with plug-in connection DIN EN 175301-803 1 2 3 PE L1 L2 L1 = normally closed at min. which are switched by the permanent magnets installed in the float. switching point L1 is provided as normallyclosed contact. and switching point L2 as normally-open contact The switching points can be adjusted in the device (for instructions. . When the float reaches the switching points while the oil level is falling. see table on page 13). As a standard. The switching points are factory-set (for values. see page 13). The positions of the contacts are maintained until the float passes the switching points again when the oil level is rising.RE 50214/06. the contacts are operated magnetically. normally-closed contacts become normally-open contacts and vice versa. material HF8/22) 14 Space required to remove mating connector .91 x Ø1. max. see page 5 2 Mating connector for plug-in connections K6.18] L1 ≥70 [2.54] 13 5 52[ 2.09 Float switch with two switching contacts and temperature contact (variant M-T.95] ~90 [~3.55] ~115 [~4. north pole inside ( (dimensions: Ø23 x Ø32. 50 VDC Plug-in connection DIN EN 175201-804.05] 13 60 [ 2.97] For dimensions L.57 inch] without protective tube 10 Float switch variant L from 500 mm [19.18] 18 [ 0.5 x 6.54] 90 [3.69 inch] with protective tube 1 Mating connector for plug-in connections K24 (M12x1).71] 10 ≥40 [1.54] L2 ≥30 [1.58] 4 4 90 [3. max.76] 11 L L L1 ≥70 [2. see page 5 3 Flat seal 4 Switching point 5 Temperature contact in sliding tube 11 Inner tube Ø 14 mm [ 0.53] 24 [0.8/16 Bosch Rexroth AG Hydraulics ABZMS-36 RE 50214/06.. L1 and L2.43] 90 [ 3.55 inch] 12 Drilling pattern 6 x 60° to DIN 24557 Part 2 13 Float with permanent magnet.24].42] 1 X1 X2 2 7 8 14 36 [1.54] 14 36 [1. see table on page 13 6 Plug-in connector “K24“ 04-pin 12x1 73 [2. 230 VAC 14 [0.28 x 0.43] 3 3 90 [ 3.24] 12 50 [1.. radial magnetisation.2 [Ø0.42] 6 8 11 [0.54] 11 [0.87] 7 Plug-in connector “K6“ 07-pin (6+PE) DIN EN 175201-804 8 Nameplate 9 Float switch variant L up to 370 mm [14.36] 5 X1 X2 6 [0.58] ≥40 [1.76] 9 L2 ≥30 [1.F) Unit dimensions (nominal dimensions in mm [inch]) Plug-in connection M12x1. switching point L1 is provided as normallyclosed contact.RE 50214/06. which can be influenced by temperature. A bimetal plate. are provided in the sliding tubes. normally-closed contacts become normally-open contacts and vice versa. two firmly set temperature contacts (option) are integrated or attached. When the float reaches the switching points while the oil level is falling. X1: 1 2 4 3 4 3 L1 L2 L1 L2 Level function Two adjustable reed contacts (normally closed and normally open).09 ABZMS-36 Hydraulics Bosch Rexroth AG 9/16 Float switch with two switching contacts and temperature contact (variant M-T. which are switched by permanent magnets installed in the float. and switching point L2 as normally-open contact. The switching points are factory-set (for values. . switches when the firmly set response temperature is reached. L2 = n/o or n/c as early warning ϑ = n/c at temperature max. Temperature function For monitoring the max.. The switching points can be adjusted in the device (for instructions.F) Contact assignment Switching function with plug-in connection M12x1 Switching function with plug-in connection DIN EN 175201-804 X2: 1 2 1 2 3 4 5 6 PE L1 = n/c at min. The switching function can be changed by turning the contacts by 180°. see table on page 13).. the contacts are operated magnetically. As a standard. The positions of the contacts are maintained until the float passes the switching points again when the oil level is rising. fluid temperature. see page 13). 43] L2 L2 90 [ 3.36] 6 60 [ 2.42] 1 4 5 11 [0.69 inch] Plug-in connection M12x1. L from 500 mm [19.55] 8 36 [1.09 Float switch with resistance measuring chain and resistance thermometer (variant R) Unit dimensions (nominal dimensions in mm[inch]) Plug-in connection M12x1. (L–60) = 4 mA L2. max. 30 VDC Float switch without protective tube. max.69 inch] 14 [0. (30 mm) = 20 mA 1 Mating connector for plug-in connections K24 (M12x1).97] L1. 30 VDC Float switch with protective tube. min. see page 5 2 Flat seal 3 Switching point 4 Plug-in connector “K24“ 04-pin 12x1 5 Nameplate 6 Resistance thermometer PT100 7 Drilling pattern 6 x 60° to DIN 24557 part 2 8 Space required to remove mating connector .54] L L L1 3 3 L1 6 52[ 2.42] ~90 [~3.43] 2 2 90 [ 3.24] 7 73 [2.87] 50 [1.36] 60 [2.36] 6 [0. max.54] 1 4 5 14 [0.10/16 Bosch Rexroth AG Hydraulics ABZMS-36 RE 50214/06.54] 8 36 [1.55] ~90 [~3.54] 11 [0. L < 500 mm [19.05] 60 [2. RE 50214/06.09 ABZMS-36 Hydraulics Bosch Rexroth AG 11/16 Float switch with resistance measuring chain and resistance thermometer (variant R) Contact assignment (+) 1 4 2 3 Pin assignment . tolerance ± 1°C . Fluid level in l → 20 15 10 4 5 1 0 10 20 30 40 50 60 70 80 Temperature in °C → 90 100 Temperature The resistance thermometer (PT100) for temperature sensing is also installed in the sliding tube. Observe the total length! Current in mA → Current in mA → 20 15 10 4 5 1 Min.3 inch]) is integrated in the sliding tube for the continuous remote transmission of the fluid levels. The relationship between fluid level and current is approximately linear. A measuring transducer integrated in the connection housing transforms the level and temperature-dependent signal into a linear change in current from 4 to 20 mA.5 mm [0. 30 VDC 4 = level 2 = temperature Temperature Level and temperature function Level A resistance measuring chain (contact gap 7.5 mm).top view 2 4-20mA 4-20mA 1 3 4 Level Pin assignment 1 = max. The contacts are switched by permanent magnets integrated in the float. Max. tolerance ± 1% of the current value of the measuring chain (grid 7. The relationship between temperature and current is approximately linear. 04 inch] 8 Fixing screws 3 off M4 10 Free space A A 9 For 230 VUC.5] 10 12 1.98] 5 [0.39] 13 2.2] 25 [0.36] 4 5 [0. variant with grounding via plug receptacle 11 O-ring 38 x 3 mm [1.5] 11 7 =< 38 [ 1.12/16 Bosch Rexroth AG Hydraulics ABZMS-36 RE 50214/06. 2 10 [0.118 inch] 12 Scale in cm 13 Switching element L2 14 Switching element L1 15 Resistance thermometer 16 Reed measuring chain.97] 8 9 11 7 =< 38 [ 1. 3 16 6 14 5 15 A A 1 Length of perforated strip 2 Suitable for ordered length L of the float switch 3 Length of switching element insert 4 Plug-in connector.0 x 1.2] 50 [ 1.39 inch] 7 Flat seal 90.0X 90X 73-6X 7.54 x 0.0 [3.09 Switching element insert (spare part): variant FE Unit dimensions (nominal dimensions in mm[inch]) for float switches with two switching contacts for float switches with resistance measuring chain and resistance thermometer A–A 60 [ 2. R901079113 .5 mm [0.3 inch] Spare part: Flat seal DICHTUNG 1.496 x 0.0 ABIL Material no.97] 8 9 10 4 25 [0.98] 50 [ 1. see designation 6 Detent intervals = 10 mm [0.36] A—A 60 [ 2. see designation 5 Temperature contact. contact gap 7. 10] 1310 [346.57] 220 [8.40] 45 [11.69] 280 [11.10] 67 [17.56] 42 [11.69] 600 [23.62] Attention! Before commissioning.49] 1030 [272.52] 490 [129. AB 40-44 Size 63 100 160 L1 1) in litres [US gal] L2 1) in litres [US gal] 28 [7.02] 370 [14.50] 400 [15.44] 780 [206. Adjustment of switching height The contacts integrated in the float switch are plugged onto a contact strip within the protective tube. proceed as follows: – Interrupt the voltage supply – Disconnect plug-in connections – Loosen the screws of the plug base and pull out the plug base with the contact strip – Loosen the contact from the strip and mount it at the requested spot (adjustability in 10 mm increments) – Insert the contact strip – Mount the plug base using screws – Re-establish plug-in connection and power connection .24] 600 [23.42] 460 [121.66] 140 [5.53] 1380 [364.02] 160 [6.07] 1730 [457. the upper and lower switching contact must be adjusted according to the required operating conditions. L1 min. AB 40-43.62] 700 [27. but can be set higher or lower (observe minimum distances!). They are set to the switching points according to the above table.55] 120 [31.50] 740 [195.19] 365 [96.51] 250 400 630 800 1000 1250 1600 2000 500 [19.30] 800 [31. To adjust the contact.18] 475 [125.37] 1200 [47.09 ABZMS-36 Hydraulics Bosch Rexroth AG 13/16 Oil volume for float switches Type M with factory-set switching points max.05] 990 [261.42] 174 [45.RE 50214/06.70] 190 [50.89] 74 [19.56] 800 [31.50] 1000 [39.48] 600 [158. L2 2 1 1 Residual amount of oil at switching point L1 1) 2 Residual amount of oil at switching point L2 1) Float switch Ordered length “L“ in mm [inch] Switching point pre-set Dimensions in mm [inch] L1 L2 Residual amount of hydraulic fluid at switching point AB 40-40.97] 277 [73.70] 100 [26.75] 500 [19. 99] Measuring range 500 [19.99] 131 [5. 1100 1000 900 800 755 .81] mm mA 20 18 16 14 700 12 600 10 8 6 4 DN1000 DN1250 500 400 1010 900 800 Litres 1300 1200 1100 1000 900 800 700 595 DN1600 2110 2000 1900 1800 1700 1600 1500 1400 1300 1200 1120 DN2000 76 [2.09 Oil volumes for float switches Type R in tank to AB 40-40. AB 40-43 and AB 40-44 Tank sizes from DN100 to 800 55 [2. min.17] 30 [1.57] 310 [12.17] 30 [1. 76 [2.99] 370 [14.20] 150 150 50 DN250 1655 1600 1500 1400 1300 1200 Tank sizes from DN1000 to 2000 55 [2.14/16 Bosch Rexroth AG Hydraulics ABZMS-36 RE 50214/06.81] mm 30 20 18 100 Measuring range 16 14 12 200 250 310 10 8 6 4 mA 97 90 80 70 60 50 40 30 20 15 DN100 160 150 140 130 120 110 100 90 80 70 60 50 40 30 25 DN160 Litres 249 393 350 200 300 250 200 100 150 100 79 DN400 630 600 550 500 450 400 350 300 250 225 DN630 DN800 800 750 700 650 600 550 500 450 400 350 285 max.32] 200 250 300 350 400 440 min.16] 30 100 150 76 [2.69] 440 [17. R901078947 . ADAPTER AB31-04/AB31-36 BG* Material no.87 –0.72] If float switches to RE 50214 are to be installed as a replacement for float switches to AB 31-04. R900202612 Adapter for float switch AB 31-04 (nominal dimensions in mm [inch]) 6 x M5 6 x M5 1 15 [0.44 [2 [2.94] 2 1 Adapter 2 Flat seal 3 Hexagon socket head cap screw M8x16 [ 4. an adapter – consisting of items 1 to 3 – is required.59] 3 4 x M8 [ 3.8-A2P Material no.0 08] Standard cut-out AB 03-39.09 ABZMS-36 Hydraulics Bosch Rexroth AG 15/16 Installation opening of the tank cover (nominal dimensions in mm [inch]) ] .04 +0 .RE 50214/06.73 to DIN 24557 Part 2 Fixing screws: 6 off ZYLINDERSCHRAUBE ISO4762-M5X18-8. bimetal thermostats. locking screw not detachable. German issue of EN 175301-803:1999 94/9/EC Directive 94/9EC of the European Parliament and the Council of 23rd March 1994 on the approximation of the laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres 2006/95/EC: Directive of the European Parliament and the Council of 12 December 2006 on the harmonization of the laws of Members States relating to electrical equipment designed for use within certain voltage limits Bosch Rexroth AG Hydraulics Zum Eisengießer 1 97816 Lohr am Main.Round contacts. Electrical connections: – Electrical connections may only be established by specialist personnel – Before working on electrical parts. 0. are the exclusive property of Bosch Rexroth AG.de © This document. . German issue of EN 60079-0:2004 DIN EN 60079-14 Electrical apparatus for explosive gas atmospheres . plug-in connections and terminals.Intrinsic safety “i“. This could impair the function of the reed contacts.09 Intallation notes – Vertical installation according to Technical data on page 3 – Avoid flows – Do not subject switches to strong impacts and bending – Avoid external magnetic fields. The electrical components consist of reed contacts. Germany Phone +49 (0) 93 52 / 18-0 Fax +49 (0) 93 52 / 18-23 58 documentation@boschrexroth. German issue of EN 50020:2002 DIN EN 60079-0 Electrical apparatus for explosive atmospheres -Part 0: General requirements (IEC 60079-0:2004).de www. German issue of EN 60079-14:2003 DIN EN 175201-804 Detail specification . category 2G (zone 1) and category 3G (zone 2). electrical apparatus in safe atmosphere 1 2 Normative references DIN EN 50020 Electrical apparatus for potentially explosive atmospheres . It must be remembered that our products are subject to a natural process of wear and aging. Intrinsically safe. It may not be reproduced or given to third parties without its consent.Flat contacts. The information given does not release the user from the obligation of own judgment and verification. The data specified above only serve to describe the product.Part 14: Electrical installations in hazardous areas (other than mines) (IEC 60079-14:2002).Circular connectors .8 mm thickness. specifications and other information set forth in it. The operating equipment is assigned to category ib and temperature class T6. electrical apparatus in potentially explosive atmosphere (zones 1 and 2) 1 Cable 2 Isolating relay Associated. No statements concerning a certain condition or suitability for a certain application can be derived from our information. The apparatus complies with construction regulations according to DIN EN 60079-0 and DIN EN 50020. size diameter 1. German issue of EN 175201-804:1999 DIN EN 175301-80 Detail specification: rectangular connectors . threaded coupling.boschrexroth. as well as the data. provide suppressor circuit! Use in potentially explosive atmospheres according to Directive 94/9/EC (ATEX) According to DIN EN 50020 float switches of series “M“ with switching and temperature contact are simple electrical apparatus without own voltage sources. disconnect the power supply – Screw on circular plug-in connectors M12x1 and mating connectors after having established the connection – Plug circular plug-in connectors M12x1 and mating connectors only when disconnected from the power supply – Do not overload contacts (see technical data) – In the case of inductive loads.16/16 Bosch Rexroth AG Hydraulics ABZMS-36 RE 50214/06. According to DIN EN 60079-14 this simple electrical apparatus may be used without marking and certification in intrinsically safe electrical circuits [EEx ib] of systems for equipment group II.6 mm.