Description
Mars 12921 Replacement Contactor & Starter Coil Overview
The Mars 12921 is a precision-engineered replacement coil designed for use in contactors and starters across a wide range of commercial and residential HVAC applications. Rated at 120V/60Hz with a power draw of 15.1 Watts, this coil delivers consistent, dependable electromagnetic performance to keep your contactors and motor starters operating reliably.
Key Specifications
- Brand: Mars
- SKU: 12921
- Voltage: 120V
- Frequency: 60Hz
- Power Consumption: 15.1 Watts
- Application: Contactor & Starter Replacement Coil
Features & Benefits
- Direct replacement coil for compatible Mars contactors and starters
- Rated at 120V/60Hz for standard North American electrical systems
- Low 15.1W power draw for energy-efficient operation
- Designed for reliable electromagnetic engagement in HVAC control circuits
- Helps restore full contactor and starter functionality without full unit replacement
- Ideal for service technicians performing field repairs and maintenance
Typical Applications
- Commercial and residential HVAC systems
- Air conditioning and refrigeration control panels
- Motor starter circuits requiring 120V coil replacement
- Preventive maintenance and emergency service repairs







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