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LTL4a Fuse switch-disconnectors size 4a up to 1600 A

Technical support

weekdays: 9:00 - 15:00 (CET)

Parameters
Accessories
Certification marks
Rated operating voltage AC/DC 690 V
Rated operating current 1250 A; 1600 A
Utilization category (switching mode) / AC 500 V AC-22B
Utilization category (switching mode) / AC 690 V AC-21B
Thermal current with fuse-link 1250 A; 1600 A / AC 500 V, 1000 A / AC 690 V
Thermal current with disconnecting link 1250 A; 1600 A
Rated frequency 40 ÷ 60 Hz
Rated conditional short-circuit current (RMS) AC 400 V 120 kA
Rated conditional short-circuit current (RMS) AC 500 V 80 kA
Rated conditional short-circuit current (RMS) AC 690 V 50 kA
Rated impulse withstand voltage 8 kV
Rated short-time withstand current 30 kA; 35kA
Rated insulation voltage AC 800 V
Max. power losses of the fuse-link 110 W; 164 W
Power losses without fuse-link / In 67 W
Degree of protection from front side, built-in device, cover opened IP10
Degree of protection from front side, built-in device, cover closed IP20