Energy Saving HRC Fuse-LinksCylindrical, Bolted & Blade Type the Company today enjoys a leadership position in the Indian market with a growing international presence. These products conform to Indian and International Standards. a part of the Electrical & Automation business. sophistication and range to meet global benchmarks. is India's largest manufacturer of low voltage switchgear. Switchgear Factory. energy meters. with the scale. controlgear. building electricals & automation. The Company offers a wide range of advanced solutions in the field of Engineering. Mumbai Switchgear Factory. Ahmednagar . and protective relays. L&T Switchgear. Machinery and Information Technology. It offers a complete range of products including powergear. Construction. With over five decades of experience in this field. Electrical & Automation. industrial automation. reactive power management.About us Larsen & Toubro infuses engineering with imagination. Type HF & HN Features & Benefits HF 2 .63A & HN 63 . India's largest manufacturer of low tension switchgear.800A l High breaking capacity: 80kA for HF Type & 100kA for HN Type l Unique offerings: 63A Cylindrical Fuse l 125A in Size 000 DIN Type Fuse blown indication: Through a red pop-up indicator l Low let through energy l Low watt loss leading to power saving and cooler running of associated products like SDFs l Conform to IS 13703 (Part 2) / IEC 60269-2 l Suitable fuse base & fuse pulling handle l 1 .HRC Fuse-links Cylindrical & Blade Type L&T. offers the new generation of low watt loss HRC fuse- links designed as per the new IS 13703 / IEC 60269 standards. A4 / B1 . l Low watt losses ensuring that associated equipment runs cooler l Can be used with FN series SDF suitable for Bolted type fuses l Suitable fuse base l 2 .32A & HQ 2 .B4 / C2 . to 630 Amp. for HG & HQ Fuses l Fuse Size: F1 / A1 .630A l Breaking capacity: 80 kA at 415 V. HRC Fuse-links Bolted Type Type HG & HQ Features & Benefits HG 2 .C3 Sizes .from 2 Amp. 7 200 0 200 A SF94132 14. 160 160 A SF94939 12 160 80 A SF94128 8. 315 250 A SF94233 17.9 400 Amp.3 250 Amp. 125.4 63 Selection Chart for Blade Type Fuse-Links . 125. the following points should be considered : lFuse-links type HF & HN are suitable for system voltage up to 415 V+ lSelect the suitable size and rating of fuse-link for switch-disconnector fuse unit as per the fuse selection chart lEnsure that the breaking capacity of the fuse link is higher than the prospective fault current lFuses should be selected such that discrimination is achieved with other protective devices in the system 3 . loss Units type FN / fuse link per IS 13703 (W) FNX or Equivalent (W) 2 SF90144 0.9 100 Amp.0 32.3 250.2 32.2 100 Amp. 250. 315 1 315 A SF94234 25.3 Fuse-23 W 250. 160 00 125 A SF94030 9.1 400 Size 2 250 A SF94333 16.9 315 A SF94434 20.2 32.2 Fuse-34 W 400 400 2 400 A SF94335 24. 100.6 32. 125.7 630. watt loss (W) fuse link as per IS 13703 type FN / FNX or Equivalent 63 A SF94940 5.5 Fuse-7.6 32.5 630. 125. 63 6 SF90146 1. 160 80 A SF94941 6.5 200 125 A SF94230 10.5 315 200 A SF94332 14. 800 800 A SF94938 48 800 3 *Suitable fuse base & fuse pulling handle are detailed in following pages Guidelines for selection While selecting fuse-links.4 32. 800 400 A SF94435 26. 125.1 630. Also SF90148 1. 63 40 Suitable for Type SF90143 5.1 32.5 100.3 200 Fuse-16 W 160 A SF94131 12. 63 32 SF90142 5. 63 14x51 20 SF90151 2. 125. 63 25 SF90152 3. 800 630 Amp. 125. 160 Size 000 000 100 A SF94942 7 Fuse-7.7 100. Size 3 500 A SF94436 36.4 32. Nos. 400 315 A SF94334 20. 100.3 200 100 A SF94129 9. Nos.5 W 100. 63 4 SF90145 0.3 250.HF Rated l Voltage : 415 V Rated l Breaking Capacity : 80 kA at 415 V Watt loss Rated watt Suitable for S-D-F Size of the limits as Rating (A) Description Cat. 800 Fuse-48 W 630 A SF94437 42. 63 10 32/ 63 S-D-F.1 200 160 Amp. 63 Size for HCO 32 Fuse HF 63A 16 base SF90150 2.3 100.2 630. 63 Suitable for Type 8 FN 32 / 63 / FNX SF90147 1. 315 160 A SF94231 12.0 7 63 HF 2A 63 HC 63 Fuse base SF90159 7. 160 125 A SF94946 8.0 63 FN 63/ FNX 63 50 S-D-F Also for SF90158 5.8 125. 315 Size 1 200 A SF94232 14.HN Rated l Voltage : 415 V Rated l Breaking Capacity : 100 kA at 415 V Size of the Rated Watt loss limits Suitable for S-D-F units Rating Cat.5 W 100. 160 63 A SF94027 5. 160 80 A SF94028 6. 160 Size 00 100 A SF94029 7.0 5 32. Size 0 125 A SF94130 11.Technical Data Selection Chart for Cylindrical Type Fuse-Links . 5 6 ST30738 1.4 stag.3 4 ST30726 0. limits as per Method (A) loss (W) IS 13703 2 ST30725 0.8 6 ST30748 1. No. No. Fuse holders . 100 ST30768 9.2W 20 ST30730 2. Suitable for type HD 32 A. (A) Type Range (A) 32 HCO 32 Fuse holder HF 2-32 SK91314 63 HC 63 Fuse holder HF 2-63 SK91043 HB 160 HB 160 Fuse base HN-Size 000 & 00 63-160 SK90405 250 HB 250 Fuse base HN-Size 0 & 1 80-250 SK90406 800 HB 800 Fuse base HN-Size 2 & 3 200-800 SK91051 2-63 HF Fuse pulling handle HF 2-63 SK91185 63-800 HN Fuse pulling handle HN 63-800 SF90126 HCO Selection Chart for Bolted type Rated l Voltage : 415 V Rated l Breaking Capacity : 80 kA Utilisation l Category : gG Watt loss Fixing Rating Power Size Description Cat.3 4 ST30737 0. F1 20H/20P/20B. ST30739 1.2 Offset.0 20 ST34527 2.1W 160 Fuse base ST35829 .2 A1 25 ST30742 2. A1L 32 32/63 Switch ST34529 3.8 6.7 A1 L Offset 4 ST30747 0.4 10 Suitable for type HK ST30749 1. Fuse bases & Fuse pulling handle suitable for Cylindrical / DIN fuse-links Rated Suitable fuse-link Current Type Description Cat. also for HK 63 63B/63H Fuse base ST30761 6.2 10 20 A. 50 Switch disconnector A3 ST30760 6.8 3.8 4.0 3.8 2.9W 80 Suitable for type FN ST30767 9.5 A4 disconnector Fuse unit.1 20 A.5 63 A.5 32 A.9 32 ST30743 3.8 32 ST30753 4. Fuse - 125 also for HK 125H/125B ST30769 14 9.0 Fuse - 20 Fuse base ST30751 2.0 2 ST30736 0.2W 63 ST35828 4.5 6 ST30727 1.9 F1 32 ST30732 3.2 25 ST30731 2. A3 4 . HD Fuse - gered 16 32H/32P/32B Fuse base ST30729 1.4 A1 Fuse - 16 ST30740 1.4W 25 ST30752 3.1 100/125/160 Switch 100 A.4 A2 35 Suitable for type FN 100 ST30759 4.4 25 Suitable for type FN ST34528 3.7W 20 ST30741 2.2 Fuse - Fuse unit.4 Fuse - 50 disconnector Fuse unit ST35827 4. A2 16 32H/32B ST30750 2. 10 ST30728 1. B2 Centre nector Fuse unit 17W 200 ST30779 20.5 Fuse . Current Method Type Range (A) HD 20H Both side cable F1 2-20 ST30772 20 HD 20P Both side busbar F1 2-20 ST30773 HD 20B Top side busbar & bottom cable F1 2-20 ST30766 HD 32H Both side cable F1 2-32 ST30733 HD 32P Both side busbar F1 2-32 ST30734 32 HD 32B Top busbar & bottom cable F1 2-32 ST30735 HK 32H Both side cable A2 4-32 ST30754 HK 32B Top busbar & bottom cable A2 4-32 ST30755 HD 32H HK 32H HK 63H HK 125H HK 63H Both side cable A3 35-63 ST30762 63 HK 63B Top busbar & bottom cable A3 35-63 ST30763 HK 125H Both side cable A4 80-125 ST30770 125 HK 125B Top busbar & bottom cable A4 80-125 ST30771 5 .5 Tag.HG & HQ Rated l Voltage : 415 V Rated l Breaking Capacity : 80 kA Utilisation l Category : gG Watt loss Fixing Rating Power Size Description Cat. 4 Fuse unit 55W holes 630 ST30787 55 C3 630 . limits as per Method (A) loss W IS 13703 80 ST30774 9. Centre C2 500 Switch disconnector ST30786 50 Fuse - Tag. No. Fuse - 315 nector Fuse ST30782 32 32W B3 355 Suitable for type FN 400 ST30783 34 400 A.1W 125 ST30776 16.Selection Chart for Bolted type Fuse Links .2 Suitable for type FN 200 100 A. 2 holes 250 Suitable for type FN ST30781 28 250 A.0 125 ST30777 15. ST30788 55 C2 Fuse holders suitable for bolted fuse-links Suitable Rated Connection Fuse Type Fuse Cat. ST30778 19. B2 160 200/250 Switch discon. B4 Switch disconnector Fuse - 400 Fuse unit ST30784 38 40W B4 400 ST30785 38 Suitable for type FN 630 630 A. B1 B1 100 Switch disconnector ST30775 10.5 Fuse - Fuse unit 9. No. B3 250/315 Switch discon.0 Suitable for type FN 200 A. 9 49.6 10 45.9 10 10 E 35 A D 14 15.4 27 8 51 79 Size 0 Size 1 / 2 / 3 20 20 10 67.0 59 48 59 Size 3 32.4 150 14.5 51.3 51 Indicator HN Fuse-link Size 000 Size 00 17 2.8 35 43 15.4 45.0 46 40 46 Size 2 25.1 6 2.6 2 6 20 10 6 6 2.4 150 17.8 6 2.5 62 2. Overall Dimensions HF Fuse-link 14.5 42.5 73 60 73 All dimensions are in mm 6 .4 47 C 6 6 F B 39 125 Type A B C D E F Size 1 20.2 61 3.6 10 67.5 6 15 78.4 135 11.4 9.5 9. 5 40 30 60 25 155 HB 800 All dimensions are in mm 7 .5 25 63A 415Vac Type HC* 105 33 129 HCO / HC HB 160 207 +3 80 -0 88 39.5 155 175 60 40 26 64 30 12 2 Holes Ø9 for M8 2 Holes Ø10.5 for M10 for Mounting for Mounting HB 250 25 19 53 210 O10.Overall Dimensions 82 44 60 22 67 25 O7. 3 5 8.3 6.2 Ø17.5 44.2 33.5 25.0 18. SIZE B1 HQ. SIZE B3 HQ.7 1.6 5.5 HQ. SIZE A1 HQ.7 4.2 8.5 211 133 131.5 36 65 35.7 3. SIZE F1 HQ.5 11.5 54.5 19 8.5 11 11 6.5 33.20 11 10 10 38.7 3.7 2.5 111 11 HQ.2 Ø13.2 HQ.5 35.7 10.5 70.6 Ø23 Ø23 Ø31.6 8. SIZE C2 Ø70 25.2 54.5 111 16. SIZE A2 HQ.3 75. SIZE B2 O31. SIZE A3 HQ.5 10 89.4 25.5 19 Ø39 19 3.5 55 14.5 33.7 12.7 131.5 73 57 57 55 73 85 55 65.5 73 71. SIZE A1L Ø13.4 All dimensions are in mm 8 .2 8.5 111 131.2 8.5 111 64 131.6 23.5 5.5 Ø50 25.4 Ø50 25.5 110 94 23. SIZE A4 23. Overall Dimensions HG. SIZE B4 HQ.2 4. 4 = = 35.7 90.9 74 20 98.5 103.5 65. 10 72.5 95.7 20 9 17.5 19.5 4.5 7 6.4 = M4 HK 63 HK 125 111 142.7 30 25.2 31.5 17.5 51.5 M8 = M10 = 12 9 All dimensions are in mm 9 .7 105 94 77. 5 = 8.8 = 6 31.2 131.8 60 67.8 5 7.05 13 .3 3.5 18 25 25 14.5 11 2x 5.6 4x .4 == 14.5 8 15 44 2x 5 8 15.8 44.3 3 32.8 5 47.7 16.5 2x 5 13.4 72.5 3.2 25.5 R8 62.1 5 23 30.5 3.4 58 31.Overall Dimensions HD 20 / HD 32 HK 32 80.6 10 14.2 15 3.8 = 11 .5 3.5 25 M6 6.6 = = = 51.6 22 4 = 7. 2x .3 69.5 15 = 35.5 31.42 R7.7 R7.5 35.7 65.5 5.5 = 51.5 17. 1 1.01 0.1 4 2 0. Characteristics Curve HRC Fuse-links Type HF Time-Current Characteristics 63 A 10 A 16 A 20 A 25 A 32 A 40 A 50 A 8B 2A 4A 6A 4 2 1000 4 2 100 Pre-arcing Time (seconds) 4 2 10 4 2 1 4 2 0.kA (RMS) Symmetrical 10 .01 4 2 3 4 5 10 2 3 4 5 100 2 3 4 5 1000 2 3 4 5 Symmetrical Current (A) Cut-off Current Characteristics 10 63 A 50 A 40 A 25 A 32 A 20 A 16 A 10 A 8A 6A 4A (asymmetrical Fault Conditions) 1.1 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 0.0 10 Prospective Current .0 2A Cut-off Current-ka (peak) 0. kA (RMS) Symmetrical 11 .Characteristics Curve HRC Fuse-links Type HN Time-Current Characteristics 100 A 125 A 160 A 200 A 250 A 315 A 400 A 400 A 630 A 800 A 63 A 80 A 10000 4 2 1000 4 2 100 4 Pre-arcing Time (seconds) 2 10 4 2 1 4 2 0.1 1 10 100 Prospective Current .01 4 2 3 4 5 10 2 3 4 5 100 1 2 3 4 5 1000 2 3 4 5 10000 3 4 5 Symmetrical Current (A) Cut-off Current Characteristics 100 800 A 630 A 5 500 A 600 A 315 A 250 A 200 A 2 160 A 125 A 100 A 80 A 10 63 A (asymmetrical Fault Conditions) Cut-off Current-ka (peak) 5 2 1 5 2 0.1 2 5 2 5 2 5 8 0.1 4 2 0. 005 1 10 100 1000 10000 100000 Symmetrical Current (A) Cut-off Current Characteristics 100 630 A 500 A 400 A 315 A *355 A 250 A 200 A 160 A 125 A 100 A 80 A 10 63 A 50 A (asymmetrical Fault Conditions) Cut-off Current-ka (peak) 32 A 25 A 20 A 16 A 10 A 6A 1 4A 2A 0.kA (RMS) Symmetrical 12 .1 0. Characteristics Curve HRC Fuse-links Type HQ Time-Current Characteristics *355 A 100 A 125 A 160 A 200 A 250 A 315 A 400 A 500 A 630 A 10 A 16 A 20 A 25 A 32 A 50 A 63 A 80 A 2A 4A 20000 6A 4 hours 10000 1000 100 Pre-Arcing Time (Seconds) 10 1 0.1 0.1 1 10 100 Prospective Current .01 0. Note . com SP 01955 R2 090612 . Powai Campus ELECTRICAL STANDARD PRODUCTS (ESP) Tel: 2559848. Pudur L&T House. Box 278 Tel: 0788-2213833 / 14 / 21 / 29 Tel: 0452-2537404. O.com Fax: 022-67051112 Ashram Road e-mail: esp-bom@LNTEBG. Shakespeare Sarani Fax: 0265-2336184 e-mail: esp-maa1@LNTEBG. Amrapali Road Fax: 0755-2769264 Vaishali Nagar L&T House e-mail: esp-bho@LNTEBG. 559. 4646853 Fax: 0261-2477078 Fax: 0172-4646802 Skybright Bldg. Zone II e-mail:
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[email protected] Kolkata 700 071 e-mail: esp-bar@LNTEBG. 1st Floor e-mail: esp-del@LNTEBG. Larsen & Toubro Limited Electrical Standard Products Powai Campus. Box 119 Tel: 0141-4385914 / 18 191/1. Appuswamy Road Fax: 033-22821025 / 7587 48-8-16.com Fax: 022-67525858 Website: www.com Jamshedpur 831 003 3rd Floor Jharkhand Vishwakarma Chambers SCO 32. Shivaji Marg e-mail: esp-blr@LNTEBG. O. M.LNTEBG. Club House Road. 2559849. O. 2521068 Mumbai 400 001 Fax: 0788-2213820 Fax: 0452-2537552 Tel: 022-67525656 e-mail: esp-durg@LNTEBG. 8th Street HEAD OFFICE Padmanabhpur K. Karpaga Nagar. P.com Khairasol.com Product improvement is a continuous process.com Fax: 0522-2311671 e-mail: esp-Lko@LNTEBG. Box 14 Fax: 0657-2341250 Surat 395 002 Chandigarh 160 026 e-mail: esp-jam@LNTEBG. Gandhigram Rly. Cubbon Road.com Ravipuram Junction.com Fax: 0674-2537309 P. Fateh Maidan Road Fax: 080-25580525 Hyderabad 500 004 32. Ernakulam Kochi 682 016 Radhadaya Complex 10. Mumbai 400 072 Customer Interaction Center (CIC) BSNL / MTNL (toll free) : 1800 233 5858 Reliance (toll free) : 1800 200 5858 Tel : 022 6774 5858. Sector 26-D Tel: 0657-2312205 / 38 Majura Gate. Degaul Avenue EBG North Wing Office-Level 2 Durgapur 713 212 Gate 7.Larsentoubro. Indira Nagar. O. Bamuni Maidan Tel: 079-66304006-11 Guwahati 781 021 12. Vasantha Chambers e-mail:
[email protected] Tel: 0755-4098721 / 7 / 8 / 9 D-236 & 237.com Tel: 0712-2260012 / 3 38. Fax : 022 6774 5859 E-mail :
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[email protected] Tel: 040-67015052 P.com e-mail: esp-mdu@LNTEBG. Box 6223 Fax: 040-23296468 New Delhi 110 015 131/1. please contact any of our offices listed here.com Tel: 020-26135048 / 26164048 Bhubaneswar 751 014 Fax: 020-26124910.