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Transparent rectangular overload relay with three poles and manual reset button

GE

GE CR324CXHS Overload Relay 13 A 27 A 1NC/1NO

SKU CH-MCYA-34WC3

Electronic NEMA overload relay protects three-phase motors with adjustable 13–27 A trip range and 1NO/1NC auxiliary contacts

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Adjustable protection from 13 A to 27 A for motor circuits
  • Trip class 10/20/30 matches application requirements
  • Direct contactor mounting simplifies panel layout
  • 600 V AC rating suits industrial power systems
  • 1NO/1NC auxiliary contacts enable status monitoring

Industrial Overload Relay for Motor Protection

The GE CR324CXHS is a NEMA-style electronic overload relay designed to protect three-phase motors in industrial automation. It mounts directly to compatible Series CR305 magnetic contactors for a compact starter assembly. The unit covers a current setting range from 13 A to 27 A, suitable for NEMA Size 0 and 1 applications. It provides overload protection with selectable Trip Class 10, 20 or 30 settings.

Transparent Housing with Direct Contactor Mounting

A transparent cover allows visual inspection of the relay status and settings without removing the device. The direct-to-contactor mounting style reduces panel space and simplifies wiring during installation or maintenance. Auxiliary contacts are configured as 1NO and 1NC for remote signalling or control circuit interlocking. Manual reset requires operator intervention after a trip event, preventing automatic restart of the motor.

Three-Phase Protection up to 600 V AC

The relay operates at a maximum voltage rating of 600 V AC across three poles for balanced phase monitoring. Electronic sensing replaces traditional thermal heaters, so no separate thermal units are required or applicable. Trip class selection adjusts the response time to match motor starting characteristics within the defined classes. The device is limited to use with Series CR305 contactors and does not suit other contactor families or single-phase loads.

Highlights

  • Adjustable protection from 13 A to 27 A for motor circuits
  • Trip class 10/20/30 matches application requirements
  • Direct contactor mounting simplifies panel layout
  • 600 V AC rating suits industrial power systems
  • 1NO/1NC auxiliary contacts enable status monitoring

Specifications

BrandGE
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

What trip classes does the NEMA overload relay support?

The relay supports Trip Class 10, 20 and 30 settings for motor protection.

How does the CR324CXHS mount to a contactor?

It mounts directly to compatible CR305 magnetic contactors without a separate base.

Does the relay ship with thermal units installed?

Thermal units are not included and are not applicable for this electronic overload relay.

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