The Danfoss 117U4151 is a precision-engineered start relay designed to provide dependable compressor starting performance in refrigeration and HVAC applications. Featuring convenient 1/4″ spade connections for straightforward installation and secure electrical termination, this relay is a trusted OEM-quality component built to Danfoss’s exacting standards.
Key Features
- OEM-quality Danfoss start relay for reliable compressor starting
- 1/4″ spade connections for fast, secure wiring termination
- Designed for compatibility with Danfoss compressor applications
- Durable construction for long service life in demanding HVAC and refrigeration environments
- Direct OEM replacement ensures proper fit and function
Application
The Danfoss 117U4151 Start Relay is ideal for use as a direct replacement component in refrigeration and air conditioning systems utilizing Danfoss compressors. Its 1/4″ spade terminals simplify field installation and reduce service time, making it a go-to choice for HVAC/R technicians and service professionals.
Why Choose Danfoss?
Danfoss is a globally recognized leader in energy-efficient solutions for refrigeration, air conditioning, and heating. Their components are engineered to deliver consistent performance, minimize downtime, and extend equipment life — making Danfoss parts the preferred choice of HVAC professionals worldwide.








