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Transparent GE CR305 contactor, 3.94 by 3.06 inches, three-pole 18 A 480 V AC

GE

GE CR305 480VAC 3P 18A NEMA 0 video accessory

SKU CH-RK0P-CWDQ2

A 480 VAC three-pole magnetic contactor rated 18 A with a single normally-open auxiliary contact

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Non-reversing contactor handles 3-phase motor control
  • 480 VAC coil voltage suits industrial power systems
  • 18 A inductive rating supports up to 5 hp at 480 V
  • Compact 3.94 in height fits tight panel spaces
  • 1NO auxiliary contact provides status feedback

Industrial Motor Starter

The GE CR305 contactor is a NEMA Size 0 starter rated for three-phase motors up to 5 horsepower at 480 volts. It suits maintenance teams and panel builders who need a non-reversing magnetic switch for pumps, fans or conveyors.

Auxiliary Contact Included

One normally-open auxiliary contact comes fitted as standard, adding a dry circuit for pilot lights, PLC inputs or safety interlocks without extra wiring. The open-frame design means the unit mounts inside an existing enclosure rather than supplying its own housing.

Verify Coil Voltage And Space

Confirm the control circuit supplies 480 volts AC before ordering; the coil will not operate on lower voltages. Allow 3.94 inches of height and 3.06 inches of width inside the cabinet for the contactor body and wiring clearances.

Highlights

  • Non-reversing contactor handles 3-phase motor control
  • 480 VAC coil voltage suits industrial power systems
  • 18 A inductive rating supports up to 5 hp at 480 V
  • Compact 3.94 in height fits tight panel spaces
  • 1NO auxiliary contact provides status feedback

Specifications

BrandGE
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

How often will the 1NO auxiliary contact need inspection or replacement?

The single normally-open auxiliary contact should be checked during routine panel maintenance; replace it if contact resistance rises or mechanical wear appears.

What limits continuous operation of the 18 A inductive rating at 480 V AC?

The 18 A inductive full-load current at 480 V AC is the thermal ceiling; sustained loads above that will trip the overload protection.

How much heat does the NEMA Size 0 contactor dissipate when running all day at 5 hp?

At 5 hp three-phase 480 V AC the coil and contacts generate modest heat; the open-frame design relies on cabinet airflow to keep temperatures in spec.

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