Emerson Alco 057343 Coil

For service technicians requiring a multi-voltage solution, the Emerson Alco 057343 Coil is a high-performance AMG solenoid coil designed for versatile field applications. This 12 Watt dual-voltage coil operates seamlessly across 120V to 240V AC at 50/60 Hz, significantly reducing the inventory space needed for 100RB, 200RB, and 240RA series solenoid valves. Engineered with Class F insulation, the windings are encapsulated to provide superior protection against the shock and vibration common in heavy-duty commercial refrigeration systems.

The model AMG architecture features an integrated junction box and 6-inch leads, facilitating a secure and protected electrical termination. This HVAC solenoid valve coil utilizes a compact design that fits into tight enclosures while maintaining the electromagnetic force necessary for positive valve actuation. Whether you are performing a solenoid coil replacement or a new system install, this OEM-spec component ensures compatibility with various Emerson solenoid valves, maintaining the precise refrigerant flow control required in modern HVACR piping.

• Multi-Voltage Compatibility: Supports a broad range from 120V to 240V, making it an ideal "truck stock" item for emergency repairs.
• Robust Environmental Protection: Class F insulation rating prevents winding failure due to thermal stress and humidity.
• Durable Enclosure: The built-in junction box provides mechanical protection for wire connections, ensuring a long-lasting field installation.
• Optimized Performance: Consumes only 12 Watts while delivering high-inductance magnetic fields for reliable plunger lifting.

Is the Alco 057343 compatible with DC systems?
No, this specific AMG coil is rated strictly for 120-240V AC at 50/60 Hz. For DC applications, the MM series is generally recommended by the manufacturer to ensure sufficient opening power.

Does this coil include the valve body?
This is an actuator coil only. It is designed to be paired with compatible Emerson Alco solenoid valves such as the 100RB or 200RB series but does not include the mechanical valve assembly.

What causes this coil type to burn out prematurely?
The most frequent cause is mechanical binding within the valve stem. If the plunger cannot seat fully, the coil remains in an "inrush" state, drawing excessive current and exceeding the thermal limits of the windings. Clean the valve body thoroughly during replacement.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.