Danfoss 117U6000 Compressor Relay

The Danfoss 117U6000 Compressor Relay is a specialized start relay engineered for high-performance refrigeration compressors. As a critical heavy hammer type component, this current relay is optimized for HST (High Starting Torque) applications, providing the necessary electrical impulse to initiate the motor's compression cycle under load. This part is a direct replacement for various Danfoss and Secop units, commonly found in commercial refrigeration, cooling boxes, and beverage centers. It is designed to interface seamlessly with lra (locked rotor amperage) requirements, ensuring that the compressor can overcome static pressure without stalling or tripping overload protections.

For technicians servicing mobile refrigeration or marine cooling systems, the Danfoss 117U6000 is frequently utilized in diagnostic repairs where the compressor exhibits a "click-clack" symptom or fails to start while drawing high current. This compressor starter is compatible with a broad range of models, including the FR8.5A, FR8.5F, FR6B, FR6G, NL7A, NL7F, TLS7F, TL5G, and TL4CL. Its robust internal coil and precise contact alignment maintain consistent switching frequency, reducing carbon buildup and extending the operational life of the hermetic compressor assembly.

• Optimized for HST Applications: Designed to provide the high starting torque necessary for compressors starting against high back-pressures.
• Direct OEM Replacement: Ensures exact fitment and terminal alignment for Secop and Danfoss 6000 series compressor units.
• Enhanced Reliable Starting: Mitigates common "fail-to-start" issues in commercial refrigeration and refrigerator-freezer units.
• Thermal Stability: Engineered to withstand the high ambient temperatures common in condensed mechanical compartments.
• Broad Compatibility: Supports multiple refrigerant platforms including R134a and R600a configurations.

How do I know if my 117U6000 relay has failed?
If the compressor is getting hot but not running, or if you hear a repetitive clicking sound every few minutes, the start relay is likely defective. You can verify this by checking for continuity across the relay coil or inspecting for visible heat damage at the terminals.

Is this relay compatible with 110V or 220V systems?
The 117U6000 is designed for versatility and is commonly utilized in various voltage configurations; however, technicians should always verify the specific coil voltage and amperage rating against the compressor data plate to ensure an exact match.

Can I use this for a BD35F or BD50F mobile compressor?
While often associated with Danfoss, the BD series typically uses an electronic control unit (ECU). The 117U6000 is a dedicated electromagnetic relay for AC-driven hermetic compressors like the FR and NL series. Always check your specific SKU before installation.

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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.