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This 2-pack GK-C-1A-12D SPDT relay provides robust high-current switching for HVAC systems and industrial machinery. Designed as a direct replacement for GK-C-1A-12D relays, it resolves critical failures in:
HVAC Systems: Fixes compressor relay faults triggering "EC-5" codes in Carrier 59TP6 units and Trane XR14 heat pumps.
Industrial Motors: Restores motor start functionality in Siemens SIRIUS M200D drives prone to "ERR-12" errors.
Commercial Equipment: Compatible with Allen-Bradley ControlLogix panels requiring 40A SPDT relays.
Key Features:
SPDT 5-Pin Configuration: Terminals 30 (COM), 87 (NO), 87a (NC), and dual coil pins (85/86) for bidirectional control.
Technical Specs:
Contact Material: Silver tin oxide (AgSnO)
Coil Resistance: 80Ω ±15%
Dimensions: 1.0" x 0.8" x 0.6" (25mm x 20mm x 15mm)
Certifications: UL 508, CSA C22.2, RoHS.
Cross-Compatibility:
Replaces Tyco VF4-40F11 and Bosch 0-332-209-150 relays in industrial applications.