GE 12HGA11J52 Auxiliary Relay – Functional Overview
1. Core Functions
Circuit Control: Acts as an intermediate switching device to isolate or activate secondary circuits in power systems.
Protection Coordination: Integrates with AK-50/AK-75/AK-100 circuit breakers for overcurrent/undervoltage protection in electrical grids.
Signal Amplification: Converts low-power control signals into higher-power outputs for industrial automation.
2. Key Features
High-Speed Operation: Instantaneous response (≤20ms) for rapid fault isolation.
Wide Voltage Range: Supports 125VDC coil voltage with NO/NC contact configurations.
Modular Compatibility: Designed for MAGNE-BLAST and GE AK-series breaker systems.
3. Applications
Power Systems: Used in overcurrent/undervoltage protection relays for grid stability.
Industrial Automation: Enables sequential control in motor drives and conveyor systems.
Transportation: Filters signals in locomotive control circuits.
4. Technical Specifications
Model: 12HGA11J52 (GE HGA series).
Contact Type: SPDT (1NO + 1NC) with silver alloy contacts.
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