Description
GE CR307BT94TC2AASTA
Technical Specifications
- NEMA Size: Size 3 or 4 (based on CR307 designation).
- Poles: 3-Pole, Normally Open.
- Enclosure: Specific enclosure type denoted by suffix.
- Coil Voltage: Custom control voltage as specified by TC2AASTA.
Functional Features
- Motor Starting: Provides safe and reliable starting and stopping of AC motors.
- Arc Suppression: Integrated arc chutes for safe interruption of motor inrush currents.
- Modular Design: Supports auxiliary contact blocks and mechanical interlocks.
Application Scenarios
Industrial motor starters, HVAC systems, conveyor belts, and pump stations.
Performance Parameters
- Horsepower Rating: Sized according to NEMA standards for continuous motor duty.
- Mechanical Life: Millions of operations at no load.
Material Composition
Silver-alloy main contacts, steel laminated magnetic core, and thermoset plastic housing.
Structural Characteristics
NEMA-compliant form factor with front-accessible pressure terminals and modular auxiliary mounting.
Working Principle
When the control coil is energized, the magnetic armature is pulled in, closing the main power contacts and applying voltage to the motor.
Installation Requirements
- Mount vertically in a clean, dry environment.
- Torque all power connections to NEMA specifications.
Usage Precautions
- Verify coil voltage before applying control power.
- Inspect contacts periodically for pitting or welding.
