81AR01A-E is suitable for single current (positive current) actuators. This module is used in conjunction with module 83SR04R1411 to activate the triggering actuator of the protection device.

The module contains 8 relays (functional units) that can be connected or disconnected together via a ninth relay.

The module contains type-tested relays*) with positively driven contacts. This allows disconnection operations, e.g. 2-out-of-3. Via auxiliary contacts, the position of each individual relay (functional unit 1..8) can be scanned directly. Relay K9 is used for the overall disconnection of relays K1 to K8. It does not incorporate position indication. The outputs for connecting actuators have a protection circuit (zero diode).

The actuator supply lines are equipped with single-pole fuses (R0100) and double-pole fuses (R0200). Depending on the configuration (see "Block configuration"), the fuses can be bridged (for example, in the case of a 2-out-of-3 concept with contacts connected in series).