Doormaster-Smart-PAL-Telephone interface 586115 DOORMASTER-SMART-PAL-Telephone interface is used for recording the announcements via similartelephone system in VARIODYN D1 voice alarm system. Up to 4 different call circuits or areas can beaddressed using the telephone system. For this purpose 1+ 4 control contacts are available for switching onand/or zone selection. The connection of telephone interface to VARIODYN […]

Contactor 3×25 A 584971 In combination with the neutral conductor monitoring module (Part No. 584970) this contactor enables the safe and immediate all-pole interruption of the power supply in the event of: undervoltage phase failure asymmetry, including for reverse voltage neutral conductor missing in the system neutral conductor break in the device supply cable neutral […]

Under Voltage and neutral supervision module 584970 The neutral conductor monitoring module (Part No. 584970) should be used to protect against a break in the neutral conductor occurring. This module is connected upstream with the MSU contactor (Part No. 584971) and enables the safe and immediate all-pole interruption of the power supply in the event […]