Energy Saving HRC Fuse-Links Cylindrical, Bolted & Blade Type
About us Larsen & Toubro infuses engineering with imagination. The Company offers a wide range of advanced solutions in the field of Engineering, Construction, Electrical & Automation, Machinery and Information Technology. L&T Switchgear, a part of the Electrical & Automation business, is India's largest manufacturer of low voltage switchgear, with the scale, sophistication and range to meet global benchmarks. With over five decades of experience in this field, the Company today enjoys a leadership position in the Indian market with a growing international presence. It offers a complete range of products including powergear, controlgear, industrial automation, building electricals & automation, reactive power management, energy meters, and protective relays. These products conform to Indian and International Standards. Switchgear Factory, Mumbai Switchgear Factory, Ahmednagar
HRC Fuse-links Cylindrical & Blade Type L&T, India's largest manufacturer of low tension switchgear, offers the new generation of low watt loss HRC fuselinks designed as per the new IS 13703 / IEC 09 standards. Type HF & HN Features & Benefits HF - 3A & HN 3-800A High breaking capacity: 80kA for HF Type & 0kA for HN Type Unique offerings: 3A Cylindrical Fuse 1A in Size 000 DIN Type Fuse blown indication: Through a red pop-up indicator Low let through energy Low watt loss leading to power saving and cooler running of associated products like SDFs Conform to IS 13703 (Part ) / IEC 09- Suitable fuse base & fuse pulling handle 1
HRC Fuse-links Bolted Type Type HG & HQ Features & Benefits HG - 3A & HQ - 00A Breaking capacity: 80 ka at 1 V. for HG & HQ Fuses Fuse Size: F1 / A1 - A / B1 - B / C1 - C3 Sizes - from Amp. to 30 Amp. Low watt losses ensuring that associated equipment runs cooler Can be used with FN series SDF suitable for Bolted type fuses Suitable fuse base
Technical Data - Type HF & HN Rated Voltage : 1 V Selection Chart for Cylindrical Type Fuse-Links - HF Rated Breaking Capacity : 80 ka at 1 V Size of the fuse link Size 1x1 Rating (A) Cat. Nos. Rated watt loss 8 1 0 3 0 0 3 SF901 SF901 SF901 SF9017 SF9018 SF9010 SF9011 SF901 SF901 SF9013 SF9018 SF9019 0. 0. 1.1 1. 1.0.. 3..0.0.0 7. Suitable for S-D-F Units type FN / FNX or Equivalent 3, 3 3, 3 3, 3 3, 3 3, 3 3, 3 3, 3 3, 3 3, 3 3 3 3 Rated Voltage : 1 V Selection Chart for Blade Type Fuse-Links - HN Rated Breaking Capacity : 0 ka at 1 V Size of the fuse link Rating Cat. Nos. Rated watt loss Watt loss limits as per IS 13703 Suitable for S-D-F units type FN / FNX or Equivalent Size 000 Size 00 Size 0 Size 1 Size Size 3 New 3 A 0 A 1 A 3 A 0 A 1 A 10 A 0 A 1 A 10 A 00 A 1 A 10 A 00 A 0 A 31 A 00 A 0 A 31 A 00 A 31 A 00 A 00 A 30 A 800 A SF990 SF991 SF99 SF99 SF907 SF908 SF909 SF9030 SF9939 SF918 SF919 SF9130 SF9131 SF913 SF930 SF931 SF93 SF933 SF93 SF933 SF9333 SF933 SF933 SF93 SF93 SF93 SF937 SF9938.3. 7 8..7.9 7. 9.8 1 8.3 9.1 11.3 1.7 1..3 1.3 1.3 17.3. 1.1 1.9 0..9 0..7 3.1. 8 0 Amp, Fuse-7. W 0 Amp, Fuse-7. W 10 Amp, Fuse-1 W 0 Amp, Fuse-3 W 00 Amp, Fuse-3 W 30 Amp, Fuse-8 W 0, 1, 10 0, 1, 10 0, 1, 10 0, 1, 10 0, 1, 10 0, 1, 10 0, 1, 10 1, 10 10 00 00 00 00 00 0, 31 0, 31 0, 31 0, 31 31 00 00 00 00 30, 800 30, 800 30, 800 30, 800 800 *Suitable fuse base & fuse pulling handle are detailed in following pages Guidelines for selection While selecting fuse-links, the following points should be considered : Fuse-links type HF & HN are suitable for system voltage up to 1 V+ Select the suitable size and rating of fuse-link for switch-disconnector fuse unit as per the fuse selection chart Ensure that the breaking capacity of the fuse link is higher than the prospective fault current Fuses should be selected such that discrimination is achieved with other protective devices in the system 3
Technical Data - Type HG & HQ Selection Chart for Bolted type Fuse Links - HG & HQ Rated Voltage : 1 V Rated Breaking Capacity : 80 ka Utilisation Category : gg Fuse Bases Suitable for Bolted Type Fuse-links Type Size Rating Cat. Nos. Power loss, W Type Size Suitable Fuse Type Rating (A) Cat. Nos. A A A ST307OOOO ST307OOOO ST3077OOOO 0.3 0. 1. HD 0H HD 0P HD 0B Front Back Busbar F1 0 ST3077OOOO ST30773OOOO ST307OOOO HG F1 A 1 A 0 A ST3078OOOO ST3079OOOO ST30730OOOO 1. 1.8. HD 3H HD 3P HD 3B Front Back Busbar F1 3 ST30733OOOO ST3073OOOO ST3073OOOO A 3 A A A A ST30731OOOO ST3073OOOO.9 3.0 ST3073OOOO 0.3 ST30737OOOO 0. ST30738OOOO 1. HK 3H HK 3B HK 3H HK 3B Front Busbar Front Busbar A A3 3 3 ST307OOOO ST307OOOO ST307OOOO ST3073OOOO A1 A 1 A ST30739OOOO ST3070OOOO 1. 1.8 HK 1H HK 1B Front Busbar A 1 ST30770OOOO ST30771OOOO 0 A ST3071OOOO. A ST307OOOO.9 3 A ST3073OOOO 3.0 0 A ST37OOOO. A ST38OOOO 3.1 A1L 3 A 0 A ST39OOOO ST387OOOO 3..0 3 A ST388OOOO.7 A ST3077OOOO 0.8 A ST3078OOOO 1. A ST3079OOOO 1. HQ A 1 A ST3070OOOO.0 0 A ST3071OOOO.8 A ST307OOOO 3.8 3 A ST3073OOOO. 3 A ST3079OOOO. A3 0 A ST3070OOOO. 3 A ST3071OOOO.8 ST3077OOOO 9.1 A 0 A 1 A ST3078OOOO ST3079OOOO 9. 1 10 A ST389OOOO - ST3077OOOO 9. B1 0 A ST3077OOOO. 1 A ST3077OOOO 1.0 1 A ST30777OOOO 1.0 B 10 A ST30778OOOO 19. 00 A ST30779OOOO 0. B3 0 A 31 A ST30781OOOO ST3078OOOO 8 3 B 3 A 00 A ST30783OOOO ST3078OOOO 3 38 00 A ST3078OOOO 38 C 00 A ST3078OOOO 0 30 A ST30787OOOO C3 30 A ST30788OOOO 8 Guidelines for selection While selecting fuse-links, the following points should be considered : Fuse-links type HF & HN are suitable for system voltage up to 1 V+ Select the suitable size and rating of fuse-link for switch-disconnector fuse unit as per the fuse selection chart Ensure that the breaking capacity of the fuse link is higher than the prospective fault current Fuses should be selected such that discrimination is achieved with other protective devices in the system
3 Overall Dimensions HF Fuse-link 1.3 1 Indicator HN Fuse-link Size 000 Size 00.9 9. 17 0.... 1.8 3 9. 1 9. 1. 78. 7 1 79 8 Size 0 Size 1 / / 3 7..8 0.9 7. 1 3.1 0. 1 1. 1 7 39 3 A B C D F E Type Size 1 Size Size 3 A 0.. 3. B 13 10 10 C 11.0 1.0 17. D 9 73 E 0 8 0 F 9 73 All dimensions are in mm
Overall Dimensions Selection chart for cylindrical and blade type fuse base Fuse bases suitable for Type Suitable Fuse Type Cat. No. Cylindrical contact caps Blade contacts HCO Fuse Base HC Fuse Base Fuse Pulling Handle HB 1 Single Pole Fuse Base HB 0 Single Pole Fuse Base HB 800 Single Pole Fuse Base Fuse Pulling Handle HF -3 HF -3 HF -3 HN size 000 & 00 HN size 0 & 1 HN size & 3 HN 3-800 SK9131 SK93 SK9118 SK900 SK900 SK91 SK901 8 0 7 O7. Type HC* 3A 1Vac 19 33 HCO / HC HB 1 07 80 +3-0 1 19 HB 0 3 O. 0 30 0 39. 88 17 0 0 1 30 Holes Ø. for M for Mounting Holes Ø9 for M8 for Mounting 1 HB 800 All dimensions are in mm
Overall Dimensions HG, SIZE F1 HQ, SIZE A1 HQ, SIZE A1L Ø13. Ø13. Ø17. 11.0 11 HQ, SIZE A HQ, SIZE A3 HQ, SIZE A 3. Ø3 1. 8.7 7 73 8 3. 33... 1.0. Ø3 Ø31. 1.7 33. 19. 8.7. 9 1 7 73 89. 3.. 3.. HQ, SIZE B1 HQ, SIZE B O31. 3. 19 8.7 Ø39 3. 19 8.7 11 111 131. 70. 111 131. HQ, SIZE B3 HQ, SIZE B HQ, SIZE C Ø70 Ø0 3..3 8.7 Ø0.3 8.7..3. 71. 111 131. 73 111 131. 7. 133 11 3. 33. 38. 3.. 18.7 11. 11. 1.. 7 All dimensions are in mm
Overall Dimensions HD 0 / HD 3 80. 8 HK 3 3.. 111 1.7.7 90. 17.. 9. 8 77. 1. 7 3. 1.8 x11. 3 R 8. 13 x. 3. M8 3.7. 7.1 9 1. M1 0 9. 3 1 3. 30. 1..3 3.8 3 3.8 1. 18 7.9 7 13. 0 1 R7. 7.7. 3 17..7 8. M 17. 31. 31. 1. 8 0 98. 3. x. 38. R 7. 3. 1.8 7.7 11.3 0 9 31.. M HK 3 HK 1 131.7 9 19. x8 1 1. x 7. 7.. 30.0 1. 1 All dimensions are in mm 8
Characteristics Curve HRC Fuse-links Type HF Time-Current Characteristics A A A 8 B A 1 A 0 A A 3 A 0 A 0 A 3 A 00 0 Pre-arcing Time (seconds) 1 0.1 0.01 3 3 0 3 00 3 Symmetrical Current (A) Cut-off Current Characteristics Cut-off Current-ka (peak) (asymmetrical Fault Conditions) 1.0 0.1 3 A 0 A 0 A A 3 A 0 A 1 A 8 A A A A A 8 8 8 0.01 0.1 1.0 8 Prospective Current - ka (RMS) Symmetrical 9
Characteristics Curve HRC Fuse-links Type HN Time-Current Characteristics 000 3 A 0 A 1 A 10 A 00 A 0 A 31 A 00 A 00 A 30 A 800 A 00 0 Pre-arcing Time (seconds) 1 0.1 0.01 3 3 0 1 3 00 3 000 3 Symmetrical Current (A) Cut-off Current Characteristics 0 800 A 30 A 00 A 00 A 31 A 0 A 00 A 10 A 1 A 0 A 3 A Cut-off Current-ka (peak) (asymmetrical Fault Conditions) 1 0.1 0.1 1 8 0 Prospective Current - ka (RMS) Symmetrical
Characteristics Curve HRC Fuse-links Type HQ Time-Current Characteristics *3 A 0000 hours 000 A A A A 1 A 0 A A 3 A 0 A 3 A 0 A 1 A 10 A 00 A 0 A 31 A 00 A 00 A 30 A 00 0 Pre-Arcing Time (Seconds) 1 0.1 0.01 0.00 1 0 00 000 0000 Symmetrical Current (A) 0 Cut-off Current Characteristics 30 00 A 00 31 A 0 A 00 10 A 1 A 0 A 3 A 0 A *3 A Cut-off Current-ka (peak) (asymmetrical Fault Conditions) 1 3 A A 0 A 1 A A A A A 0.1 0.1 1 0 Prospective Current - ka (RMS) Symmetrical 11
Electrical Standard Products (ESP) Branch Offices: REGISTERED OFFICE AND HEAD OFFICE L&T House, Ballard Estate P. O. Box 78 Mumbai 00 001 Tel: 0-7 Fax: 0-788 Website: www.larsentoubro.com ELECTRICAL STANDARD PRODUCTS (ESP) 01, Sakar Complex I Opp. Gandhigram Rly. Station Ashram Road Ahmedabad 380 009 Tel: 079-3000-11 Fax: 079-300 e-mail: esp-ahm@lntebg.com 38, Cubbon Road, P. O. Box 098 Bangalore 0 001 Tel: 080-000/003 Fax: 080-80 e-mail: esp-blr@lntebg.com 131/1, Zone II Maharana Pratap Nagar Bhopal 011 Tel: 07-09871/7/ 8 / 9 Fax: 07-79 e-mail: esp-bho@lntebg.com Plot No. 9, Annapurna Complex Lewis Road Bhubaneswar 71 01 Tel: 07-13, 39 Fax: 07-37309 e-mail: esp-bbi@lntebg.com SCO 3, Sector -D Madhya Marg, P. O. Box 1 Chandigarh 10 0 Tel: 017-80, 83 Fax: 017-80 e-mail: esp-chd@lntebg.com, Club House Road, Annasalai Chennai 00 00 Tel: 0-807 / / / 9 Fax: 0-8 / 3 e-mail: esp-maa1@lntebg.com 7, Appuswamy Road Post Bag 71 Opp. Nirmala College Coimbatore 1 0 Tel: 0-88 / 1 / Fax: 0-8818 e-mail: esp-cbe@lntebg.com L&T House, Group MIG- Padmanabhpur Durg 91 001 Tel: 0788-13833 / 1 / 1 / 9 Fax: 0788-1380 e-mail: esp-durg@lntebg.com Khairasol, Degaul Avenue Durgapur 713 1 Tel: 988, 989, 98 Fax: 033-31 e-mail: esp-dgp@lntebg.com Milanpur Road, Bamuni Maidan Guwahati 781 01 Tel: 031-0 / Fax: 031-1308 e-mail: hazrasudipto@lntebg.com II Floor, Vasantha Chambers --173, Fateh Maidan Road Hyderabad 0000 Tel: 00-700 Fax: 00-398 e-mail: esp-hyd@lntebg.com D-, Prithvi Raj Road, C-Scheme Jaipur 30 001 Tel: 011-3891 / 1 / 17 / 18 Fax: 011-37380 e-mail: esp-jai@lntebg.com Akashdeep Plaza, nd Floor P. O. Golmuri Jamshedpur 831 003 Jharkhand Tel: 07-3 / 38 Fax: 07-310 e-mail: esp-jam@lntebg.com Skybright Bldg; M. G. Road Ravipuram Junction, Ernakulam Kochi 8 01 Tel: 08-090 / / / 7 Fax: 08-09 e-mail: esp-cok@lntebg.com 3-B, Shakespeare Sarani Kolkata 700 071 Tel: 033-007 / 3 / Fax: 033-8/787 e-mail: esp-ccu@lntebg.com A8, Indira Nagar, Faizabad Road Lucknow 01 Tel: 0-3190 / / Fax: 0-31171 e-mail: esp-lko@lntebg.com No: 73, Karpaga Nagar, 8th Street K. Pudur Madurai 007 Tel: 0-370, 8 Fax: 0-37 e-mail: esp-mdu@lntebg.com EBG North Wing Office-Level Gate 7, Powai Campus Mumbai 00 07 Tel: 0-7087 / 737 / 11 Fax: 0-70111 e-mail: esp-bom@lntebg.com 1, Shivaji Nagar North Ambazari Road Nagpur 0 0 Tel: 071-001/3 Fax: 071-000/30 e-mail: esp-nag@lntebg.com 3, Shivaji Marg P. O. Box 3 New Delhi 1 01 Tel: 011-1191 / / Fax: 011-11900 e-mail: esp-del@lntebg.com L&T House P. O. Box 119 191/1, Dhole Patil Road Pune 11 001 Tel: 00-1308/108 Fax: 00-19, 1308 e-mail: esp-pnq@lntebg.com 3rd Floor Vishwakarma Chambers Majura Gate, Ring Road Surat 39 00 Tel: 01-737 Fax: 01-77078 e-mail: esp-sur@lntebg.com Radhadaya Complex Old Padra Road Near Charotar Society Vadodara 390 07 Tel: 0-13 / 1 / Fax: 0-3318 e-mail: esp-bar@lntebg.com 8-8-1, Dwarakanagar Visakhapatnam 30 01 Tel: 0891-011- / 3 Fax: 0891-01 e-mail: esp-viz@lntebg.com Product improvement is a continuous process. For the latest information and special applications, please contact any of our offices listed here. Electrical Standard Products Larsen & Toubro Limited Powai Campus, Mumbai 00 07 Customer Interaction Center (CIC) BSNL / MTNL (toll free) : 1800 33 88 Reliance (toll free) : 1800 00 88 Tel : 0 77 88 Fax : 0 77 89 E-mail : cic@lntebg.com Website : www.lntebg.com SP 19 1011