WÖHNER 33602 switch

The Wöhner 33602 (QUADRON® 60Classic NH fuse switch-disconnector size 2, 400 A) is used in low-voltage power distribution, industrial installations, and machine control cabinets. It’s designed for direct busbar mounting and ensures secure disconnection during maintenance.

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Type: NH fuse switch-disconnector, Group NH 2, 400 A

Mounting: Busbar-mounted; top/bottom connections, M10 screw terminals

System: QUADRON® 60Classic

Construction: Features arc-quenching chambers, dual insulation barrier, self-closing inspection windows

Phases: Suitable for 3-phase systems with 12, 15, 20, 25, 30×10 mm busbars

Rated Current: 400 A

Rated Voltage: AC 690 V, DC 440 V

Insulation Voltage (Ui): AC 800 V, DC 500 V

Impulse Voltage (Uimp): 6 kV

Conditional Short-Circuit Current: 100 kA / 690 V (1 s); with fuse links: 50 kA / 690 V gG; short-time withstand current 13.2 kA

Peak Withstand Current (Ipk): 27.2 kA

Power Loss: ~28.8 W at 80% load; ~45 W at rated load

Protection Class: Front IP30; terminal area depends on installation

Terminal Connections:

M10 screw, torque 30–35 Nm
Busbar: 12–30×10 mm
Clamps:
- Double clamp: Cu 120–240 mm², single clamp: Cu/Al 50–150 mm² + AE, torque 6–8 Nm

Data Sheet