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Transparent single-gang toggle switch with three poles

Hubbell Incorporated

Hubbell Incorporated HBL7853D Manual Motor Switch 50 A 3 P 3 Phase video accessory

SKU CH-9SAZ-GQX0H

A three-phase manual motor switch rated 50 A with three poles and toggle operation

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Manual motor switch rated 50 A three-phase
  • Handles up to 15 hp at 480 V AC
  • Three-pole toggle operator for positive isolation
  • Single-gang enclosure simplifies panel installation
  • Rated 7 1/2 hp at 240 V three-phase

Manual Motor Switch 50 A 3 Phase

The Hubbell HBL7853D is a three-pole manual motor switch rated for 50 amperes. It is designed for industrial electrical control and automation tasks where a local disconnect is required. The toggle operator provides direct on-off control for three-phase motor circuits. This accessory suits maintenance personnel and plant electricians managing motor loads up to the listed ratings.

Replaces basic disconnects without horsepower

Unlike simple disconnect switches, this unit carries specific horsepower ratings at multiple voltages. At 240 volts AC three-phase it handles 7 1/2 horsepower, while at 480 and 600 volts AC three-phase it handles 15 horsepower. The upgrade is worth it when code requires a switch rated for the motor's locked-rotor current rather than just its full-load amps. It is not for circuits needing integrated pilot lights or thermal overload protection, which this model omits.

Toggle mechanism stays engaged under continuous

The switch maintains its position during sustained three-phase operation at rated current. Contacts are built for the thermal demands of 50 ampere continuous duty across 240, 480 and 600 volt systems. No pilot light means one less component to fail during extended runs. It is not suited for applications requiring automatic trip or remote monitoring functions.

Highlights

  • Manual motor switch rated 50 A three-phase
  • Handles up to 15 hp at 480 V AC
  • Three-pole toggle operator for positive isolation
  • Single-gang enclosure simplifies panel installation
  • Rated 7 1/2 hp at 240 V three-phase

Specifications

BrandHUBBELL WIRING DEVICE-KELLEMS
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

What enclosure size does the HBL7853D single-gang switch require?

It fits a standard single-gang electrical box; secure the device with the two mounting screws provided and ensure the box depth meets local code for 50 A conductors.

How do I wire the three poles on the HBL7853D, and what step is often missed?

Connect each of the three line conductors to the three load terminals; the step often missed is tightening the unused ground screw to the box even though the switch has no pilot light.

When should the toggle mechanism or contacts be inspected on the HBL7853D?

Inspect the toggle and contacts after any motor overload trip or at least annually; replace the switch if the toggle feels loose or the contacts show pitting from 50 A switching duty.

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