Digital guide
You are here:
GE 12CEY52A4D
- Product Name: Phase Directional Overcurrent Relay / Phase-Voltage Loss Relay (CEY family)
- Product Introduction: A discontinued static protection relay from General Electric’s CEY product line, designed for transmission and distribution network protection. It provides directional overcurrent protection and phase/voltage loss detection for medium- and high-voltage power systems.
Detailed content
- Technical Specifications:
- Control Voltage: 120 V
- Reach Range: 0.5 to 15 Mho
- Continuous Current Rating: 60 Amps
- Weight: 15.88 kg
- Approximate Dimensions: 30.5 cm × 30.5 cm × 30.5 cm
- Functional Features: Directional phase overcurrent protection, mho-type distance characteristic, electrical phase-loss and voltage-loss detection.
- Application Scenarios: Backup and primary protection of transmission lines and distribution feeders in utility substations and large industrial power systems.
- Installation Requirements: Install in a standard 19-inch relay panel or cubicle with proper seismic bracing; ensure CT and PT secondary wiring is correctly phased before energizing.
- Usage Notes: The product is manufacturer-discontinued; verify all set-point dials and wiring terminations during commissioning. Periodic contact inspection is recommended due to the electromechanical output contacts.
