Energy Saving HRC Fuse-Links Blade Type HN 3 A - 800 A Cylindrical Type HF A - 3 A
L&T, India's largest manufacturer of low tension switchgear, offers the new generation of low watt loss HRC fuse-links type HN & HF designed as per the new IS 13703 / IEC 09 standards. Features and Benefits High breaking capacity : 0 ka for HN Type and 80 ka for HF Type Unique offerings : - 3A Cylindrical Fuse - 15A in Size000 Fuse blown indication : Through a red pop-up indicator Low let through energy Low watt loss : Lower power loss, gives you - Power Saving - Cooler running of associated products like SDFs Conform to IS 13703 (Part ) / IEC 09- New standard - means More Advantages IS 13703 / IEC 09 new standard for HRC fuses supercedes IS 9. HN & HF Fuse-Links conform to the new standard and offers following advantages : Low watt loss Non deterioration of fuse-links Proper protection to cables Complete discrimination
Rated voltage : 15 V Rated breaking capacity : 80 ka at 15 V Rating (A) 8 1 0 5 3 0 50 3 Technical data - Type HF & HN Selection Chart for Cylindrical Type Fuse-Links - HF Cat. Nos. SF901 SF9015 SF901 SF9017 SF9018 SF90150 SF90151 SF9015 SF901 SF9013 SF90158 SF90159 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 Selection Chart for Blade Type Fuse-Links - HN Rated voltage : 15 V Rated breaking capacity : 0 ka at 15 V 3 3 3 Size of the fuse link Size 000 New* Size 00 Size 0 Size 1 Size Size 3 Rating 3 A 0 A 15 A 3 A 0 A 15 A A 0 A 15 A A 00 A 15 A A 00 A 50 A 00 A 50 A 00 A 00 A 500 A 30 A 800 A Cat. Nos. SF990 SF991 SF99 SF99 SF907 SF908 SF909 SF9030 SF9939 SF918 SF919 SF9130 SF9131 SF913 SF930 SF931 SF93 SF933 SF93 SF933 SF9333 SF933 SF9335 SF93 SF935 SF93 SF937 SF9938 Rated watt loss 5.3. 7 8.5 5.7.9 7.5 9.8 1 8.3 9.1 11.3 1.7 1.5.3 1.3 1.3 17.3 5.5 1.1 1.9 0..9 0.5.7 3.1. 8 Watt loss limits as per IS 13703 0 Amp, Fuse-7.5 W 0 Amp, Fuse-7.5 W Amp, Fuse-1 W 50 Amp, Fuse-3 W 00 Amp, Fuse-3 W 30 Amp, Fuse-8 W Suitable for S-D-F units type FN / FNX or Equivalent 0, 15, 0, 15, 0, 15, 0, 15, 0, 15, 0, 15, 0, 15, 15, 00 00 00 00 00 50, 315 50, 315 50, 315 50, 315 315 00 00 00 00 30, 800 30, 800 30, 800 30, 800 800 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 15 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 1
3 Overall Dimensions HF Fuse-link 1.3 51 Indicator HN Fuse-link Size 000 Size 00.9 9. 17 0 5..5 5.5 51.8. 35 9.5 15 9.5 15. 78. 7 51 79 8 Size 0 Size 1 / / 3 7..8 0.9 7. 1 3.1 0.5 1 15. 15 7 39 35 A B C D F E Type Size 1 Size Size 3 A 0. 5. 3. B 135 150 150 C 11.0 1.0 17.5 D 59 73 E 0 8 0 F 59 73 All dimensions are in mm
Fuse Base Fuse bases suitable for cylindrical contact caps Fuse bases suitable for blade contacts Type HC HCO Fuse Pulling Handle HB Single Pole Fuse Base HB 50 Single Pole Fuse Base HB 800 Single Pole Fuse Base Fuse Pulling Handle Suitable Fuse Type HF -3 HF -3 HF -3 HN size 00 HN size 0 & 1 HN size & 3 HN 3-800 Overall Dimensions Cat. No. SK93 SK9131 SK91185 SK9005 SK900 SK951 SK901 8 0 7 5 5 O7.5 Type HC* 3A 15Vac 5 19 33 HCO / HC HB 07 80 +3-0 5 19 HB 50 53 O.5 0 30 0 39.5 88 155 175 0 0 1 30 HOLES O.5 FOR M FOR MOUNTING HOLES O9 FOR M8 FOR MOUNTING 5 155 HB 800 All dimensions are in mm 3
Characteristics Curve HRC Fuse-links Type HF Time-Current Characteristics A A A 8 B A 1 A 0 A 5 A 3 A 0 A 50 A 3 A 3 Pre-arcing Time (seconds) 1 0 1 3 5 1 3 5 3 5 3 3 5 Symmetrical Current (amperes) Cut-off Current Characteristics Cut-off Current-ka (peak) (asymmetrical Fault Conditions) 1.0 0.1 3 A 50 A 0 A 5 A 3 A 0 A 1 A 8 A A A A A 8 8 8 0.01 0.1 1.0 80 Prospective Current - ka (RMS) Symmetrical
Characteristics Curve HRC Fuse-links Type HN Time-Current Characteristics 3 A 0 A 15 A A 00 A 50 A 00 A 500 A 30 A 3 Pre-arcing Time (seconds) 1 0-1 - 5 1 3 5 3 5 3 3 5 3 Symmetrical Current (amperes) Cut-off Current Characteristics 0 Cut-off Current-ka (peak) (asymmetrical Fault Conditions) 50 0 5 1 30 A 500 A 00 A 50 A 00 A A 15 A 0 A 3 A 0.5 0. 0.1 0.1 0. 0.5 1 5 0 50 80 0 B Prospective Current - ka (RMS) Symmetrical 5
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