SKU: 33502Alt SKU: 33502000MPN: 33502
33502 Wohner switch disconnector with fuses, 3-pole

33502 Wohner switch disconnector with fuses, 3-pole

Wöhner 33502 QUADRON Panel Speed three-pole NH fuse switch-disconnector with 125 A rating, panel mounting and operator-independent snap-action switching mechanism.

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Why Choose the Wöhner 33502 QUADRON Panel Speed Fuse Switch-Disconnector?

The Wöhner 33502 is a high-performance three-pole NH fuse switch-disconnector engineered for safe switching, isolation and overcurrent protection in industrial low-voltage electrical systems. As part of the advanced Wöhner QUADRON® Panel Speed series, it is designed for panel builders, OEMs and industrial electrical engineers who require dependable switching performance and reliable protection in panel-mounted installations.

The switch-disconnector incorporates an operator-independent snap-action switching mechanism with double-breaking main contacts, ensuring consistent switching regardless of handle speed. Its spring-controlled mechanism allows frequent switching while enabling safe, tool-free fuse replacement and providing a visible isolation gap when the cover and fuse carriers are removed.

Designed for NH size 000 and NH size 00 fuse links, the Wöhner 33502 has a 125 A rated current and operates on systems up to 690 V AC. The compact panel-mounted design, box terminals and multifunction operating handle make it an ideal solution for industrial switchboards, control panels and machinery.

Key Advantages

  • Industrial NH fuse switch-disconnector for safe switching and isolation.
  • 125 A rated current suitable for industrial power distribution.
  • Compatible with NH size 000 and NH size 00 fuse links.
  • Operator-independent snap-action switching mechanism.
  • Safe, tool-free fuse replacement with double-breaking contacts.
  • Can be locked in the OFF position using up to three padlocks.

Key Features

  • Wöhner QUADRON® Panel Speed series.
  • Three-pole fuse switch-disconnector.
  • 125 A rated current.
  • 690 V AC rated operating voltage.
  • Compatible with NH 000 and NH 00 fuse links.
  • Box terminal connection.
  • FLAG indicator displays switch position.
  • Compact panel-mounted construction.

Reliable Switching and Circuit Protection

NH fuse switch-disconnectors combine load switching, circuit isolation and fuse protection within a single device. The Wöhner 33502 provides reliable protection against overloads and short circuits while allowing equipment to be safely isolated for maintenance.

Its compact panel-mounted construction, spring-controlled switching mechanism and clearly visible switch position indicator make it particularly suitable for industrial control panels where reliability, safety and ease of maintenance are essential.

Typical Applications

  • Industrial switchboards.
  • Machine control panels.
  • OEM electrical equipment.
  • Motor control centres.
  • Power distribution systems.
  • Industrial automation installations.

Technical Specifications

Phase Three Phase
Manufacturer Wöhner
Series QUADRON® Panel Speed
Model 33502
Full part number 33502000
Type number QCS-NH00
Product type NH fuse switch-disconnector
Fuse sizes NH 000 and NH 00
Number of poles 3
Rated current 125 A
Rated operating voltage 690 V AC
Rated insulation voltage 800 V AC
Rated impulse withstand voltage 8 kV
Utilisation category AC-23B (690 V / 125 A)
Conditional short-circuit current 50 kA with suitable gG fuse links
Connection type Box terminal
Mounting type Panel mounting
Dimensions (W × H) approx. 106 × 200 mm
Weight approx. 2.08 kg
EAN 4021267335021

Frequently Asked Questions

What is the Wöhner 33502 used for?

It is used for switching, isolation and overcurrent protection within industrial low-voltage electrical distribution systems.

Which fuse sizes are compatible?

The switch-disconnector accepts NH size 000 and NH size 00 fuse links.

What is the rated current?

The Wöhner 33502 has a 125 A rated current.

Can the switch be locked for maintenance?

Yes. The operating handle can be locked in the OFF position using up to three padlocks.

Where is the Wöhner 33502 typically installed?

It is designed for panel mounting in industrial switchboards, machine control panels and OEM electrical equipment.

Trusted by Electrical Engineers Worldwide

Wöhner QUADRON® Panel Speed fuse switch-disconnectors are trusted worldwide for delivering reliable switching, dependable circuit protection and safe isolation in industrial electrical installations.

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