GE 12HEA61A224X2 Auxiliary Lockout Relay

GE 12HEA61A224X2 Product Introduction & Technical Specifications
Brand General Electric (GE)
Model  12HEA61A224X2
Order Number  12HEA61A224X2
Product Name  Auxiliary Lockout Relay / Industrial Control Relay
Place of Origin  United States
Customs Code  HS Code 85389090 (Electrical Control Relay & Industrial Switching Component)
Dimensions  Approx. 152 mm × 64 mm × 51 mm (Length × Width × Height)
Weight  Net Weight: Approx. 0.68 kg
Temperature Specifications
– Operating Temperature: -30°C to +85°C
– Storage Temperature: -40°C to +85°C

– Humidity: 5%–95% non-condensing
Electrical Specifications
– Rated Coil Voltage: 125 V DC
– Coil Power Consumption: Approx. 2 W
– Contact Configuration: Multi-pole auxiliary contacts (8NO/8NC or configurable)
– Contact Rating: 5 A at 250 V AC / 5 A at 125 V DC
– Insulation Voltage: 2.5 kV AC (coil to contacts)
– Dielectric Strength: IEC 60255 standard compliant
– Operating Time: ≤ 20 ms
– Mechanical Life: ≥ 10 million operations
– Electrical Life: ≥ 1 million operations at rated load
Key Features
– Compact, heavy-duty industrial lockout relay design for critical control circuits
– Manual lockout mechanism for safe maintenance and isolation of control loops
– High contact capacity with stable switching performance under load fluctuations
– Rugged construction resistant to shock, vibration, and harsh industrial environments
– Front-panel manual operation lever for local testing and override
– Compatible with GE industrial control systems and switchgear assemblies
Practical Application Cases
1. Power Grid Substation Control: Deployed in high-voltage distribution substations as a lockout relay for circuit breaker control. Provides reliable switching and manual isolation for protection circuits, ensuring safe maintenance and preventing unintended operation during equipment servicing.
2. Industrial Motor Control Centers: Integrated into motor control centers (MCCs) for large pumps, fans, and compressors. Acts as an auxiliary interlock relay to enforce safe start/stop sequences, supporting overload protection and emergency shutdown logic in manufacturing plants.
3. Power Generation Turbine Systems: Used in gas and steam turbine control panels for critical alarm and trip circuits. Enables manual lockout of control signals during maintenance, ensuring personnel safety and preventing accidental turbine startup in power generation facilities.
4. Oil & Gas Processing Facilities: Applied in refinery and pipeline control systems for emergency shutdown (ESD) loops. Provides robust contact switching and manual isolation for safety-critical valves and actuators, maintaining operational safety in corrosive and high-temperature environments.