Versatile 12V DC DPDT Relay with Visual Status Indicator
The RH2B-ULDC12V is a compact, general-purpose power relay designed for industrial control systems, equipment panels, and automation applications. With a 12V DC coil, DPDT contact configuration, and 10A current rating, it provides reliable switching for a wide range of loads. The built-in LED indicator allows immediate visual confirmation of relay activation, simplifying system diagnostics and maintenance.
Technical Specifications
Contact Configuration: DPDT (2 Form C)
Coil Voltage: 12 V DC
Contact Current Rating: 10 A
Contact Material: Silver alloy (rhodium over silver)
Terminal Type: Blade (quick-connect)
Mounting Type: Plug-in (requires compatible 8-pin socket)
Indicator: LED (lights when coil energized)
Typical Applications
Industrial control panels and PLC output interfacing
HVAC equipment (fan controls, compressor relays)
Packaging and material handling machinery
Lighting control systems
Elevator and escalator controls
General purpose switching in automation systems
Installation Guidance
Disconnect all power to the control panel before installation.
Mount a compatible 8-pin relay socket to DIN rail or panel.
Wire the socket according to your circuit diagram (terminal numbers correspond to relay pinouts).
Plug the relay firmly into the socket until fully seated.
Restore power and verify that the LED illuminates when the coil is energized.
Important Compatibility Note:
The buyer is responsible for verifying that this relay matches the electrical specifications, pin configuration, and socket type required by their application. The LED indicator is polarity-sensitive; ensure correct DC polarity (+ and -) for proper operation. This is an aftermarket replacement part engineered to meet OEM specifications for RH2B-UL series relays.
Package Includes
2 x RH2B-ULDC12V Power Relay with LED Indicator
Safety Disclaimer
Installation should be performed by qualified personnel following all applicable electrical codes and safety regulations. Always disconnect power before servicing relay or control circuits.