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Transparent GE CR123H172A thermal unit accessory

GE

GE CR123H172A Thermal Unit 1.49A Video Accessory

SKU CH-MWT4-77BPQ

Thermal unit rated at 1.49 A full-load current for CR101H and CR101Y motor starters

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Full-load protection at 1.49 A rating
  • Compatible with CR101H and CR101Y models
  • Transparent housing for quick visual inspection
  • GE-branded industrial electrical control component
  • Matches Grainger part numbers 3HYJ6 and 3HYJ9

GE CR123H172A Thermal Unit

The GE CR123H172A is a thermal protection unit rated for a full-load current of 1.49 A. It is designed for industrial electrical control and automation panels where motor or heater circuits require overload safeguards. Maintenance engineers and panel builders specify this accessory to match compatible starter models.

Current limit and compatible starters

The device operates at a fixed 1.49 A trip point, so it only protects circuits that run at or below this value. It is listed as compatible with manufacturer model numbers CR101H and CR101Y, and cross-references Grainger part numbers 3HYJ6 and 3HYJ9. Circuits drawing higher current need a different rating.

Transparent housing and panel mounting

A transparent moulded housing lets technicians verify the trip indicator without removing the cover. The unit mounts directly onto the matching starter body, keeping wiring short and the footprint compact. No separate DIN-rail adapter or enclosure is required for standard installations.

Highlights

  • Full-load protection at 1.49 A rating
  • Compatible with CR101H and CR101Y models
  • Transparent housing for quick visual inspection
  • GE-branded industrial electrical control component
  • Matches Grainger part numbers 3HYJ6 and 3HYJ9

Specifications

BrandGE
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

Which GE CR123H172A thermal unit rating matches my starter?

Choose the 1.49 A full-load current version; it is compatible with Grainger part numbers 3HYJ6 and 3HYJ9 and with manufacturer models CR101H and CR101Y.

What does the 1.49 A rating mean when the unit is installed?

The thermal unit will trip when the motor current exceeds 1.49 amperes, protecting the starter from sustained overload.

What interface does this thermal unit use and what does it limit?

It mounts directly in a CR101H or CR101Y starter and limits protection to the 1.49 A full-load current setting.

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