Overview
The General Electric CR305X300A is an auxiliary contact kit designed for GE Size 3 and Size 4 magnetic starters and contactors. This 1NO (normally open) basic block contact provides a low-amperage auxiliary contact for control circuits in motor control centers and industrial applications. The CR305X300A is rated for 600VAC maximum and 250VDC maximum, making it suitable for both AC and DC control circuit monitoring.
Key Features
- Contact Configuration: 1NO (1 normally open) basic block design
- NEMA Size Compatibility: Fits GE Size 3 and Size 4 starters
- Voltage Rating: 600VAC / 250VDC maximum
- Low-Amperage Rating: 0.15 ampere control signal rating at 120VAC/30VDC
- Mounting: Left or right position mounting available
- Control Circuit Use: Ideal for interlocking, pilot lights, and remote start/stop circuits
Technical Specifications
- Part Number: CR305X300A
- Manufacturer: General Electric
- Contact Type: Auxiliary (N.O.)
- Contact Rating (Control): 120VAC/30VDC at 0.15A
- Maximum Voltage: 600VAC / 250VDC
- NEMA Size: 3, 4
- Block Type: Basic N.O. Block
- Mounting Position: Left or Right
Typical Applications
- DOL (Direct Online) full-voltage motor starters
- Reduced-voltage soft-start applications
- Interlock circuits for safety logic
- Pilot light and indicator circuits
- Remote start/stop control circuits
- Motor control center (MCC) auxiliary signaling
Compatibility & Replacements
Compatible With
- General Electric CR305M contactors (Size 3 & 4)
- General Electric CR305N contactors (Size 3 & 4)
- GE Size 3 and Size 4 full-voltage starters
- GE motor control centers with CR305-series frames
- AC and DC control circuits up to 600VAC / 250VDC
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering.
Works With
- GE industrial motor control and automation systems
- Standard industrial control circuit architectures
- Interlock and safety relay circuits
- Indicator and alarm circuits in MCC applications
