Description
The Danfoss 117U4126 is an HST (Hard Start) Starting Relay designed to provide dependable and efficient compressor start-up assistance in refrigeration and HVAC applications. Danfoss is a globally recognized leader in refrigeration components, and this starting relay reflects their commitment to precision engineering and long-term system reliability.
Product Overview
The HST Starting Relay is engineered to reduce compressor start-up current draw, minimize mechanical stress on the compressor motor, and extend the overall service life of the refrigeration system. It is an ideal replacement or upgrade component for systems experiencing hard-start conditions or compressor start failures.
Key Features
- Danfoss HST (Hard Start) starting relay technology for improved compressor start performance
- Reduces inrush current during compressor start-up, protecting electrical components
- Helps extend compressor service life by reducing mechanical and electrical start-up stress
- Designed for use in refrigeration and HVAC compressor applications
- Manufactured to Danfoss quality standards for consistent, reliable operation
- Compact design for straightforward installation in existing systems
Applications
- Refrigeration compressor hard-start assistance
- Commercial and light commercial HVAC systems
- Replacement starting relay for Danfoss-compatible compressor installations
Why Choose Danfoss?
Danfoss is a world leader in energy-efficient refrigeration and HVAC solutions. Their starting relays are trusted by technicians and engineers worldwide for consistent performance, ease of installation, and compatibility with a broad range of compressor platforms. The 117U4126 is a genuine Danfoss component, ensuring full compatibility and reliability in your system.
For technical specifications, wiring diagrams, or compatibility information, consult the Danfoss product documentation or contact our knowledgeable team at Jackson Systems.







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