Overview
The Kuhnke UF3-120VAC1 is a universal plug-in relay engineered for industrial automation and control applications. With a 10A contact rating at 250VAC and a 120VAC coil voltage, this relay delivers consistent performance in switching and load control. The UF3 series is recognized for durability in demanding industrial environments, offering both AC and DC applications in a compact plug-in format.
Key Features
- 10A nominal contact current at 250VAC nominal contact voltage
- 120VAC coil voltage for direct integration into AC control circuits
- Plug-in terminal design for quick installation and replacement
- Mechanical service life exceeding 20 million switching cycles
- Approximately 12 ms pull-in time and 10 ms drop-out time for reliable switching response
- AgNi contact material for superior electrical performance and durability
Technical Specifications
- Nominal Contact Voltage: 250 VAC / DC
- Nominal Contact Current: 10 A
- Coil Voltage: 120 VAC
- Maximum Switching Capacity (resistive): 1000 VA
- Pull-in Time: approx. 12 ms
- Drop-out Time: approx. 10 ms
- Contact Bounce Time: approx. 5 ms
- Mechanical Service Life: > 20 x 106 switching cycles
- Contact Material: AgNi (silver-nickel)
- Mounting: Plug-in terminal format
- Weight: approximately 68 g per unit
Typical Applications
- Industrial control panel automation and circuit switching
- Motor starter and load control circuits
- Process equipment and machinery control systems
- HVAC and building automation relay replacement
- OEM equipment retrofit and system upgrades
- General-purpose switching for AC inductive and resistive loads
Compatibility & Replacements
Compatible With
- Standard plug-in relay sockets and panels designed for UF3 series
- Control circuits using 120VAC supply voltage
- Industrial control systems requiring 10A switching capacity
- DIN rail mounted control cabinets with relay base modules
Replaces / Drop-In Replacement For
- Other Kuhnke UF3 series variants with equivalent pinout and coil voltage
- Equivalent general-purpose industrial relays with matching contact and coil ratings
Works With
- Industrial PLC control systems with standard relay output modules
- Motor control centers and automation panels
- Standard industrial relay base and socket assemblies
- AC power distribution and control circuits up to 250VAC
















