FH3 Fuse switch-disconnectors Varius for fuse-links with blade contacts size 3 up to 630 A, OEZ

Parameters

Accessories

Approval marks

Rated operating voltage	690 V
Rated operating current	630 A
Utilization category (switching mode) / 400 V a.c. / single-pole design	AC-23B
Utilization category (switching mode) / 500 V a.c. / three-pole design	AC-23B
Utilization category (switching mode) / 690 V a.c.	AC-22B
Utilization category (switching mode) / 440 V d.c. / two-pole connection	DC-21B
Utilization category (switching mode) / 440 V d.c. / 300 A single-pole connection	DC-21B
Thermal current with fuse-link	630 A
Thermal current with disconnecting link ZP3	750 A
Thermal current with disconnecting link ZP3 / 1000	1000 A
Rated conditional short-circuit current (RMS) 400 V a.c.	120 kA
Rated conditional short-circuit current (RMS) 550 V a.c.	50 kA
Rated conditional short-circuit current (RMS) 690 V a.c.	25 kA
Rated impulse withstand voltage	12 kV / FH3-.A/., 6 kV / FH3-.S/., 12 kV / FH3-3L/.
Rated short-time withstand current	20 kA
Rated short-circuit making capacity / 400 V a.c.	30 kA
Rated insulation voltage	1000 V a.c.
Max. power losses of the fuse-link	48 W
Power losses without fuse-link / In	49 W
Degree of protection from front side, built-in device, cover opened	IP20
Degree of protection from front side, built-in device, cover closed	IP30

Locking insert
Connecting sets
Adapter for busbar system (60 mm)
Remote signalling of fuse state
Remote signalling of cover position
Light indication of fuse state
Assembly kit (2-pole or 4-pole)
Connecting space cover
Front shield
Spare parts