Overview
The Cutler-Hammer 373B331G12 is a Size 2 Type A contact renewal kit engineered as a drop-in replacement for Cutler-Hammer motor control equipment. This three-pole contact assembly carries a maximum voltage rating of 600VAC and is designed to restore or upgrade A200/A201 series starters and contactors. Maintenance technicians and system integrators rely on this renewal kit to restore contactor performance without replacing the entire motor control assembly.
Key Features
- Three-pole contact configuration for balanced motor control
- Size 2 form factor compatible with Cutler-Hammer NEMA contactors
- 600VAC maximum voltage rating for industrial applications
- Direct replacement for worn or damaged contactor contacts
- Compatible with A200 series starters and A201/A202 contactors
Technical Specifications
- Poles: 3
- Contact Kit Type: Size 2 Type A
- Voltage Rating: 600VAC
- Dimensions: 1.3 in H × 1.5 in W × 1.3 in D
- Application: Renewal/replacement part for motor control
- Suitable For: A200 starters, A201 contactors, A202 lighting contactors (60A–100A)
- Part Number: 373B331G12
- Manufacturer: Eaton/Cutler-Hammer
Typical Applications
This contact kit is widely used in industrial motor control systems, including:
- AC motor starter and contactor maintenance
- Manufacturing facility control upgrades
- Lighting contactor replacement (A202 series 60A–100A applications)
- HVAC and compressed air compressor motor control
- Routine preventive maintenance in mills, plants, and commercial facilities
Compatibility & Replacements
Compatible With
- Cutler-Hammer A200 AC starters
- Cutler-Hammer A201 AC contactors
- Cutler-Hammer A202 lighting contactors (60A and 100A)
- NEMA-rated motor control enclosures
- Size 2 contactor assemblies
Replaces / Drop-In Replacement For
- Worn or damaged contacts in A200/A201 series contactors
- Original Cutler-Hammer Size 2 Type A contact assemblies
- Equivalent OEM renewal contact kits for 600VAC rated motor starters
Works With
- NEMA-compliant motor control circuits
- 600VAC industrial electrical systems
- AC squirrel-cage induction motors
- Industrial control enclosures and MCC (Motor Control Centers)
- Standard hardwired motor starter logic














