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GE CR305N002
Product Name: GE Size 4 Motor Starter (Magnetic Contactor / Starter Assembly)
Product Introduction: The CR305N002 belongs to GE’s classic CR305 series of NEMA-rated magnetic contactors and motor starters. It is built for heavy-duty motor starting and power switching in industrial motor control applications.
Detailed content
Technical Specifications:
- NEMA Size: Size 4
- Poles: 3-pole main contacts
- Maximum Voltage: 600 VAC
- Frequency: 50/60 Hz
- HP Rating: up to 1600 HP (within the CR305 family range)
Functional Characteristics: - Provides full-voltage non-reversing motor start/stop control
- Silver-alloy or silver-cadmium oxide contacts for arc resistance and anti-welding
- Dual-winding coil design reduces holding power consumption and heat generation
- Can be paired with CR324 series overload relays for motor overload protection
Structural & Material Features: - Molded phenolic resin frame
- Steel armature and spring mechanism
- Open-type construction, can be fitted into a NEMA 1 enclosure
Application Scenarios: - Motor control centers (MCC)
- Pump, fan, compressor, and conveyor motor control
- Heavy industrial power distribution and motor switching
Installation Requirements: - Panel screw mounting or DIN rail adapter plate
- Main circuit copper busbar/cable lugs must be torqued to specification
- Control coil wiring must be separated from load wiring to prevent interference
Usage Notes: - Operating ambient temperature range: -25 °C to +70 °C
- Must not be used beyond rated current on DC large inductive loads
- Overload heater elements must be selected according to motor full-load amps (FLA)
