Overview
The Allen-Bradley 1492-CB2H300 /C is a 2-pole manual motor controller designed for reliable protection and control of AC motors in industrial and commercial applications. This unit combines motor control and circuit protection in a single, compact device, making it ideal for equipment requiring both safety and operational flexibility.
Key Features
- 2-pole configuration for dual-phase motor applications
- 30A current rating with 480V AC voltage capability
- Manual ON/OFF control for operator-initiated motor starting and stopping
- Integrated circuit protection function
- Screw-terminal connections rated for #16 to #4 AWG wire
- Compact, space-efficient design suitable for control panels
Technical Specifications
The 1492-CB2H300 /C meets industry standards for motor control devices and is rated as both a manual controller and protective device. This unit is part of Rockwell Automation’s 1492-CB Series, which is widely recognized for durability in general-purpose motor applications across manufacturing, HVAC, pumping, and process automation environments.
Typical Applications
- Motor starter replacement in retrofit and maintenance scenarios
- Stand-alone motor control where solenoid-based automation is not required
- Equipment protection and disconnect in industrial machinery
- General-purpose AC motor circuits up to specified horsepower rating
- Facility upgrades and control panel modifications
Compatibility & Replacements
The 1492-CB2H300 /C is interchangeable with other Series /C versions of the same part number. Related variants in the 1492-CB family include the 1492-CB2G, 1492-CB3G, and 1492-CB3H models, which differ in pole count, current rating, and voltage specifications. When replacing an existing controller, verify part number and electrical specifications to ensure proper fit and function.
