Description
GE MC-41122400 Technical Specifications:
- Type: Motor starter / contactor.
- Voltage: Industrial AC voltage.
- Current: Rated for specific motor HP/kW.
- Coil Voltage: Standard control voltages.
- Auxiliary Contacts: Built-in or add-on.
Functional Features:
- Motor Starting: Direct-on-line or reduced voltage starting.
- Overload Protection: Integrated or external overload relay.
- Control Logic: Compatible with PLC and manual control.
- Status Feedback: Auxiliary contacts for indication.
Application Scenarios:
- Pump and fan motor control.
- Conveyor and compressor drives.
- Industrial machine automation.
- HVAC system motors.
Performance Parameters:
- Inrush Current: Rated for motor starting currents.
- Mechanical Life: High-cycle rated.
- Electrical Life: Optimized for motor load.
Material Composition & Structural Characteristics:
- Contacts: Silver-cadmium oxide or silver-tin oxide.
- Coil: Copper winding with epoxy encapsulation.
- Housing: Flame-retardant enclosure.
- Terminals: Screw or bolt terminals.
Working Principle: When the coil is energized, the magnetic field pulls the armature, closing the main contacts and starting the motor. When de-energized, the spring returns the contacts to open position. Overload protection trips the circuit on excessive current.
Installation Requirements:
- Sizing: Properly size for motor FLA and starting conditions.
- Wiring: Follow NEC/IEC standards.
- Overload Setting: Set overload relay to motor FLA.
- Testing: Verify rotation and operation.
Usage Precautions:
- Safety: Lockout/tagout before servicing.
- Maintenance: Inspect contacts and coils periodically.
- Environment: Protect from corrosive atmospheres.
- Replacement: Use exact replacement parts.
