Safety Relay Muting Module Supply Voltage: 24 V ac/dc Muteable Safety Input: 1 Dual Channel Non-Muteable Safety Input: 1 Dual Channel Safety Output: 2 PNP, 500 mA; Aux Output: 1 PNP, 250 mA (follows OSSDs) Terminal Block: Removable; Width: 67.5 mm Self-Checking Circuitry, Auto/Manual Reset, EDM, Muting Part Number: 75091