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Yk 024-30441-000 High-Power Control Relay for Fans/Water Pumps (Fan & Pump Transformer) – HVAC/Refrigeration Equipment Part

Yk 024-30441-000 High-Power Control Relay for Fans/Water Pumps (Fan & Pump Transformer) – HVAC/Refrigeration Equipment Part

The 024-30441-000 is a high-power load relay designed for York chillers. It serves as a control relay for loads such as fans, cooling water pumps, and lube oil pumps. This industrial-grade, high-power plug-in relay features a 120VAC coil and contacts capable of handling high-current AC loads; it is compatible with the electrical control cabinets of York YVAA, YK, YKK, and YCIV series air-cooled screw and variable-frequency centrifugal chillers.
The relay coil is energized by low-voltage signals from the main control board, thereby activating the power circuits for cooling fans, chilled/cooling water pumps, and lube oil pumps. By isolating low-voltage control signals from high-power loads, it protects the main board's I/O ports from damage caused by motor inrush currents, making it a critical electrical control component within the chiller's water circulation and heat rejection systems.

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oplus_262176

Product Name Yk 024-30441-000 High-Power Control Relay
Model 024-30441-000
Applicable Industries Construction and Commercial
Application Refrigeration compressor
Packaging Cardboard Box
MOQ 1 Piece

Core Product Functions:
Low-voltage isolation from high-voltage circuits to protect the main control board (Core Function)
The main board outputs only low-power control signals to drive the coil, while the relay handles the high inrush currents associated with starting fans and pumps. This prevents motor startup surges from damaging the main board’s I/O ports, significantly reducing maintenance costs for the control system.

Standard 120V coil; compatible with the entire York unit lineup
Designed for North American standard 120V control circuits; allows for direct replacement in the electrical cabinets of YVAA, YK, and YCIV units without modifying control wiring.

High-capacity silver alloy contacts designed to withstand motor startup surges
Handles instantaneous startup currents (3–5 times the rated current) for pumps and fans; silver contacts resist arc erosion and prevent sticking or open-circuit failures during frequent, long-term start-stop cycles.

Fully sealed, flame-retardant plastic housing for stable operation in harsh mechanical room environments
Protects against refrigerant oil vapors, condensation, and dust; prevents internal carbon buildup, electrical leakage, and short circuits—ideal for data center units requiring 24/7 continuous operation.

Standard plug-in base for rapid on-site repair
Plug-and-play design allows for direct replacement after powering down; eliminates the need to re-crimp terminals, enabling a single technician to complete the replacement in just 5 minutes.



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Q1:For refrigeration industry, which brands are your products covering? A1:We produce filter element replacements for brands like,Bitzer, Carrier, Yk, McQuay, Trane, etc…
Q2:Does the price include freight? A2:The quotation is usually the factory price. We can recommend the most economical logistics plan and calculate the freight according to your destination and quantity.
Q3:How to ensure product quality? A3:We have a strict quality control process, and we will carry out multiple inspections before the products leave the factory to
ensure that they meet the standards.
Q4:Why choose us? A4:Product reliability: We are a professional manufacturer . can offer high-quality products at the most competitive prices.
Technical support: We provide technical assistance.
Industry experience: We have over 10 years of experience in the refrigeration equipment service field.
After-sales service: We offer professional after-sales service.
Team collaboration: We have a professional team that can provide you with prompt services and delivery schedules.

Product failure symptoms:
1. Cooling fan/water pump fails to start; unit triggers high-pressure alarm
Coil open-circuit; relay fails to engage; no power to auxiliary equipment; cooling failure; condensing pressure rises continuously, triggering a high-pressure shutdown.
2. Erratic auxiliary equipment operation (intermittent starting/stopping)
Partial contact ablation; excessive contact resistance; intermittent current flow; significant fluctuations in water temperature and pressure.
3. Relay casing overheats; crackling arcing sounds inside
Contact welding or loose terminal connections; arcing caused by high current; risk of electrical short-circuit and fire.
4. Frequent damage to main control board I/O ports
Relay failure prevents isolation of high-voltage circuits; motor inrush current damages motherboard I/O ports; high repair costs.

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