General Electric 12IAC66B4A Time Overcurrent Relay
The General Electric 12IAC66B4A is a time overcurrent relay designed to protect industrial and utility power systems from phase or ground overcurrent conditions. As a single-phase, non-directional, current-sensitive AC device, it ensures reliable operation and coordination within electrical networks.
Key Features
- Time Overcurrent (TOC) Range: 4-8 Amperes
- Instantaneous Overcurrent (IOC) Range: 20-80 Amperes
- Operating Frequency: 60 Hz
- Construction: Electromechanical design featuring a magnetic-core operating coil, induction disk, damping magnet, and mechanical target
Applications
The 12IAC66B4A relay is suitable for various applications, including:
- Protection of feeders, AC machines, and transformers
- Ground and phase time overcurrent and undercurrent protection
- Overload motor protection
Specifications
- Manufacturer: General Electric
- Product Family: IAC
- Protective Relay Function: Overcurrent
- Model Number: 12IAC66B4A
- Shipping Dimensions: 15 in (Width) x 15 in (Height) x 12 in (Depth)
- Shipping Weight: 10 lb
Additional Information
The 12IAC66B4A relay is part of GE’s IAC series, known for their reliability in protecting power systems against overcurrent conditions. These relays are designed to provide adjustable calibrated settings, allowing for precise coordination with other protective devices in the system.
For specific settings and testing requirements, it is recommended to consult with a technical account sales representative to ensure the relay meets your operational needs.
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