Energy Saving HRC Fuse-Links

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Preston Gordon
5 years ago
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1 Energy Saving HRC Fuse-Links Cylindrical, Bolted & Blade Type

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.

3 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

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

4 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 / 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 (Part ) / IEC 09- Suitable fuse base & fuse pulling handle 1

for HG & HQ Fuses Fuse Size: F1 / A1 - A / B1 - B / C1 - C3 Sizes - from Amp.

5 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

6 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 SF901 SF901 SF901 SF9017 SF9018 SF9010 SF9011 SF901 SF901 SF9013 SF9018 SF 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, 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 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 SF 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, , 31 0, 31 0, 31 0, , , , , *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

HD 0H HD 0P HD 0B Front Back Busbar F1 0 ST3077OOOO ST30773OOOO ST307OOOO HG F1 A 1 A 0 A ST3078O

7 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 HD 0H HD 0P HD 0B Front Back Busbar F1 0 ST3077OOOO ST30773OOOO ST307OOOO HG F1 A 1 A 0 A ST3078OOOO ST3079OOOO ST30730OOOO HD 3H HD 3P HD 3B Front Back Busbar F1 3 ST30733OOOO ST3073OOOO ST3073OOOO A 3 A A A A ST30731OOOO ST3073OOOO 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 HK 1H HK 1B Front Busbar A 1 ST30770OOOO ST30771OOOO 0 A ST3071OOOO. A ST307OOOO.9 3 A ST3073OOOO A ST37OOOO. A ST38OOOO 3.1 A1L 3 A 0 A ST39OOOO ST387OOOO 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 A ST3073OOOO. 3 A ST3079OOOO. A3 0 A ST3070OOOO. 3 A ST3071OOOO.8 ST3077OOOO 9.1 A 0 A 1 A ST3078OOOO ST3079OOOO A ST389OOOO - ST3077OOOO 9. B1 0 A ST3077OOOO. 1 A ST3077OOOO A ST30777OOOO 1.0 B 10 A ST30778OOOO A ST30779OOOO 0. B3 0 A 31 A ST30781OOOO ST3078OOOO 8 3 B 3 A 00 A ST30783OOOO ST3078OOOO 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

8 3 Overall Dimensions HF Fuse-link Indicator HN Fuse-link Size 000 Size Size 0 Size 1 / / A B C D F E Type Size 1 Size Size 3 A B C D 9 73 E F 9 73 All dimensions are in mm

9 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 SK9131 SK93 SK9118 SK900 SK900 SK91 SK O7. Type HC* 3A 1Vac HCO / HC HB HB 0 3 O Holes Ø. for M for Mounting Holes Ø9 for M8 for Mounting 1 HB 800 All dimensions are in mm

10 Overall Dimensions HG, SIZE F1 HQ, SIZE A1 HQ, SIZE A1L Ø13. Ø13. Ø HQ, SIZE A HQ, SIZE A3 HQ, SIZE A 3. Ø Ø3 Ø HQ, SIZE B1 HQ, SIZE B O Ø HQ, SIZE B3 HQ, SIZE B HQ, SIZE C Ø70 Ø Ø All dimensions are in mm

11 Overall Dimensions HD 0 / HD HK x11. 3 R x. 3. M M R M x. 38. R M HK 3 HK x x All dimensions are in mm 8

12 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) Symmetrical Current (A) Cut-off Current Characteristics Cut-off Current-ka (peak) (asymmetrical Fault Conditions) A 0 A 0 A A 3 A 0 A 1 A 8 A A A A A Prospective Current - ka (RMS) Symmetrical 9

13 Characteristics Curve HRC Fuse-links Type HN Time-Current Characteristics 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) Symmetrical Current (A) Cut-off Current Characteristics 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) Prospective Current - ka (RMS) Symmetrical

14 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) Symmetrical Current (A) 0 Cut-off Current Characteristics A A 0 A 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 Prospective Current - ka (RMS) Symmetrical 11

16 Electrical Standard Products (ESP) Branch Offices: REGISTERED OFFICE AND HEAD OFFICE L&T House, Ballard Estate P. O. Box 78 Mumbai Tel: 0-7 Fax: Website: ELECTRICAL STANDARD PRODUCTS (ESP) 01, Sakar Complex I Opp. Gandhigram Rly. Station Ashram Road Ahmedabad Tel: Fax: esp-ahm@lntebg.com 38, Cubbon Road, P. O. Box 098 Bangalore Tel: /003 Fax: esp-blr@lntebg.com 131/1, Zone II Maharana Pratap Nagar Bhopal 011 Tel: /7/ 8 / 9 Fax: esp-bho@lntebg.com Plot No. 9, Annapurna Complex Lewis Road Bhubaneswar Tel: 07-13, 39 Fax: esp-bbi@lntebg.com SCO 3, Sector -D Madhya Marg, P. O. Box 1 Chandigarh 10 0 Tel: , 83 Fax: esp-chd@lntebg.com, Club House Road, Annasalai Chennai Tel: / / / 9 Fax: 0-8 / 3 esp-maa1@lntebg.com 7, Appuswamy Road Post Bag 71 Opp. Nirmala College Coimbatore 1 0 Tel: 0-88 / 1 / Fax: esp-cbe@lntebg.com L&T House, Group MIG- Padmanabhpur Durg Tel: / 1 / 1 / 9 Fax: esp-durg@lntebg.com Khairasol, Degaul Avenue Durgapur Tel: 988, 989, 98 Fax: esp-dgp@lntebg.com Milanpur Road, Bamuni Maidan Guwahati Tel: / Fax: hazrasudipto@lntebg.com II Floor, Vasantha Chambers --173, Fateh Maidan Road Hyderabad 0000 Tel: Fax: esp-hyd@lntebg.com D-, Prithvi Raj Road, C-Scheme Jaipur Tel: / 1 / 17 / 18 Fax: esp-jai@lntebg.com Akashdeep Plaza, nd Floor P. O. Golmuri Jamshedpur Jharkhand Tel: 07-3 / 38 Fax: esp-jam@lntebg.com Skybright Bldg; M. G. Road Ravipuram Junction, Ernakulam Kochi 8 01 Tel: / / / 7 Fax: esp-cok@lntebg.com 3-B, Shakespeare Sarani Kolkata Tel: / 3 / Fax: 033-8/787 esp-ccu@lntebg.com A8, Indira Nagar, Faizabad Road Lucknow 01 Tel: / / Fax: esp-lko@lntebg.com No: 73, Karpaga Nagar, 8th Street K. Pudur Madurai 007 Tel: 0-370, 8 Fax: esp-mdu@lntebg.com EBG North Wing Office-Level Gate 7, Powai Campus Mumbai Tel: / 737 / 11 Fax: esp-bom@lntebg.com 1, Shivaji Nagar North Ambazari Road Nagpur 0 0 Tel: /3 Fax: /30 esp-nag@lntebg.com 3, Shivaji Marg P. O. Box 3 New Delhi 1 01 Tel: / / Fax: esp-del@lntebg.com L&T House P. O. Box /1, Dhole Patil Road Pune Tel: /108 Fax: 00-19, esp-pnq@lntebg.com 3rd Floor Vishwakarma Chambers Majura Gate, Ring Road Surat Tel: Fax: esp-sur@lntebg.com Radhadaya Complex Old Padra Road Near Charotar Society Vadodara Tel: 0-13 / 1 / Fax: esp-bar@lntebg.com 8-8-1, Dwarakanagar Visakhapatnam Tel: / 3 Fax: 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 Customer Interaction Center (CIC) BSNL / MTNL (toll free) : Reliance (toll free) : Tel : Fax : cic@lntebg.com Website : SP

Energy Saving HRC Fuse-Links

Energy Saving HRC Fuse-Links Cylindrical, Bolted & Blade Type About us Larsen & Toubro is a technology-driven company that infuses engineering with imagination. The Company offers a wide range of advanced