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Red handle on grey enclosure with door interlock plate and extension shaft

SQUARE D

SQUARE D VCCF3 45 A 3-pole door-mount load-break switch

SKU CH-1ZBZ-4WDSQ

A 45 A three-pole door-mount load-break switch with IP20 and IP65 ratings, supplied with a 320 mm extension shaft, handle and line terminal shroud

  • 3-pole non-fusible switching for three-phase circuits
  • 45 A rating handles up to 40 hp at 600 V AC
  • Door-mount design with IP65 handle protection
  • 320 mm extension shaft eases rear-panel installation
  • Includes terminal shroud and interlock plate for safety

Door-mount load-break switch for three-phase

The SQUARE D VCCF3 is a three-pole, 45 A non-fusible load-break switch rated for three-phase AC systems. It carries horsepower ratings of 15 hp at 240 V, 30 hp at 480 V and 40 hp at 600 V, making it suitable for motor-disconnect duties in industrial panels. The rear-panel mounting style and IP20/IP65 ratings allow installation inside enclosures that require a door-operated handle.

Included shaft, handle.

A 320 mm extension shaft, red four-screw fixing handle, door interlock plate, mounting handle operator and line terminal shroud ship in the box. These parts let the operator mount the switch behind the panel and operate it from the door while maintaining the IP65 front seal. The interlock plate prevents the door from opening when the switch is in the ON position.

Verify panel depth, voltage

Confirm the enclosure depth can accommodate the rear-panel body plus the 320 mm shaft length. The application must be a three-phase AC supply not exceeding 600 V and must not require integral fuse protection, as this model is non-fusible. The handle cut-out needs four screws and the red handle colour should match your site identification scheme.

Highlights

  • 3-pole non-fusible switching for three-phase circuits
  • 45 A rating handles up to 40 hp at 600 V AC
  • Door-mount design with IP65 handle protection
  • 320 mm extension shaft eases rear-panel installation
  • Includes terminal shroud and interlock plate for safety

Specifications

BrandSQUARE D

Questions about this item

What maintenance does the 45 A 3-pole load-break switch need over time?

Periodically inspect the contact surfaces and the three screw-fixing terminals for discolouration or looseness; verify the IP20/IP65 enclosure seals remain intact and operate the red handle through its full travel to confirm smooth mechanical action.

Which limit appears first when the switch runs continuously at rated current?

The 45 A current rating is the primary limit; sustained operation above this value will cause thermal stress before any voltage or horsepower ceiling is reached.

How much heat and noise does the VCCF3 produce during all-day operation?

The non-fusible 3PST-NO design has no moving parts once closed, so it runs silently; heat rise stays within the 45 A thermal rating when installed with the supplied line terminal shroud and proper rear-panel ventilation.

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