Overview
The Cutler Hammer M-1640 is a single-pole, 20-ampere Type BA circuit breaker designed for 120/240VAC systems. This breaker provides dependable branch-circuit protection in residential and light commercial environments. Built to Eaton’s standards, it delivers consistent thermal-magnetic trip performance for typical household and small commercial loads.
Key Features
- 20 ampere trip rating
- Single pole (1P) configuration
- Type BA — standard thermal-magnetic operation
- 120/240VAC dual-voltage compatible
- Bolt-on mounting compatible with standard panelboards
- HACR and SWD rated for heating, air-conditioning, and refrigeration loads
Technical Specifications
- Amperage Rating: 20A
- Poles: 1
- Voltage Rating: 120/240VAC
- Type: BA (Type BA — Thermal-Magnetic)
- UL Classification: HACR Type, SWD Type
- Mounting: Bolt-On
- Condition: Used
- Status: Fully Functional
Typical Applications
- Branch-circuit protection in residential panelboards
- Lighting and receptacle circuits in homes and small commercial spaces
- HVAC and refrigeration equipment protection (HACR-rated)
- General-purpose loads requiring 20A protection
- System upgrades and panel retrofits
Compatibility & Replacements
Compatible With
- Standard panelboards with bolt-on breaker mounting
- Eaton/Cutler Hammer residential and light commercial enclosures
- 120/240VAC single-phase electrical systems
- Circuits requiring HACR and SWD certification
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The M-1640 is compatible with equivalent 20A, 1-pole Type BA breaker slots in standard panelboards; however, direct replacement compatibility depends on the specific enclosure model.
Works With
- Eaton/Cutler Hammer CH and CHF series panelboards
- Standard residential and light commercial electrical panels
- Systems requiring dual-voltage 120/240VAC operation
- HVAC, air-conditioning, and refrigeration branch circuits
