Type:Control Board

Model:RB121A-24VAC/DC

Manufacturer:ABB

Product Net Width: 6 mm

Product Net Height: 67.5 mm

Product Net Depth / Length: 70 mm

Product Net Weight: 0.02 kg

Function: Boxed interface relay R600

Sub-Function: Relay with built-in LED

Rated Control Supply Voltage (Us): 24 V DC

Output: 1 c/o (SPDT) contact

Output Signal: 5 ... 250VAC / 10mA ... 6A

Terminal Type: Screw Terminals

Degree of Protection: IP20

The RB121-24VDC is a compact, 6mm-wide boxed interface relay with screw terminals, designed for seamless snap-on mounting onto a DIN rail. The relay is securely soldered into the device housing, ensuring high resistance to vibration. Operating with a 24 V DC rated control supply voltage, it features a 1 c/o (SPDT) output with contacts rated for 250 V / 6 A.

This interface relay is ideal for electrical isolation, signal amplification, and matching, allowing high-current switching within a minimal footprint. An integrated LED provides visual indication of relay coil energization, while the UL 94-V0 certified housing enhances safety with high flame-retardant properties. Jumper bars are available as accessories for added functionality.

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