Overview
The Allen-Bradley 1492-CB3G020 /C is a three-pole manual motor controller and supplementary protector from Rockwell Automation’s Bulletin 1492 series. This Series C unit delivers dependable motor control and circuit protection for industrial applications requiring low current ratings. With a 2A capacity and 480/277VAC operation, the 1492-CB3G020 /C is engineered for safety, reliability, and ease of integration into DIN rail control panels.
Key Features
- 3-Pole Configuration: Three-phase motor control with independent pole design for balanced protection across all phases
- 2A Rated Current: Sized for lower-amperage motor control and device protection
- 480/277VAC Operation: Compatible with standard North American industrial voltage systems
- Supplementary Protector Function: Integrated circuit protection prevents motor damage from overload and short circuits
- DIN Rail Mounting: Compact design mounts directly to standard control panel rail systems
- Manual Operation: Operator-friendly toggle or button actuation for straightforward on/off control
Technical Specifications
- Rated Current: 2A
- Number of Poles: 3
- Operating Voltage: 480/277VAC
- Series Designation: Series C
- Trip Curve: G (general-purpose industrial)
- Breaking Capacity: 5 kA
- Mounting Style: DIN Rail
- Application Type: Manual Motor Controller & Supplementary Protector
- Manufacturer: Rockwell Automation / Allen-Bradley
Typical Applications
The 1492-CB3G020 /C is commonly deployed in:
- Small fractional and single-phase motor control systems
- Industrial machinery auxiliary circuits and branch protection
- HVAC equipment motor starters and disconnect applications
- Conveyor and material handling equipment control panels
- Machine tool electrical distribution and motor branch circuits
- Original equipment manufacturer (OEM) panel integration
Compatibility & Replacements
The Allen-Bradley 1492-CB3G020 /C is part of the expansive Bulletin 1492 family, which includes varying current ratings and pole configurations. Related models in the same series include the 1492-CB3G010 (1A), 1492-CB3G120 (12A), and 1492-CB3G300 (30A). For 3-pole, 2A applications, this model serves as a drop-in replacement for obsolete or failed units. Always verify voltage, pole count, and current rating when substituting controllers. Consult Allen-Bradley technical resources or authorized distributors for compatibility confirmation with your specific system configuration.
