Allen-Bradley 440R-M23147 440R series Discontinued Modular Monitoring Safety Relay

440R-M23147: Belongs to the Guardmaster MSR138DP series, it is a single-function safety relay with delayed output, suitable for applications that need to maintain power for a fixed period of time after receiving an input signal, such as driving a switch to keep a protective door locked after the stop button is pressed.

Allen-Bradley 440R-M23147 is a safety relay of Guardmaster MSR138DP series, and its parameter information is as follows:

Electrical parameters:

Rated control power supply voltage: 24V AC/DC.

Output type: 2 normally open safety outputs, 3 normally open delayed safety outputs.

Output current: typically 3A.

Delay time: adjustable from 0.5 to 10 seconds.

Mechanical parameters:

Housing width: 45mm.

Terminal type: removable screw terminal.

Mounting method: 35mm DIN rail mounting.

Environmental parameters: The working temperature is generally - 5℃ - 40℃, the relative humidity is 90% when working, and the pollution degree is 2.

Safety certification: CCC, cUL, KC, UL and other certifications.

Function parameters:

Reset mode: configurable as automatic/manual or manual monitoring reset.

Input type: 1 2 normally closed inputs, 1 LC input, can be used to monitor safety-related equipment such as light curtains, emergency stop circuits, etc.