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 Insulation monitor, AC networks

The AAL-2 from DEIF is an insulation monitor and is used to supervise insulation resistance between an isolated AC voltage distribution network and an earth/safety cable. 

 Insulation monitor, AC/DC-networks

The SIM-Q MKII monitors the insulation resistance between the connected network and an earth/safety cable. Using a unique measuring principle,  it measures the insulation resistance in both AC and DC networks. 

 Insulation monitor, DC-networks

The ADL-111Q96 is used to supervise the insulation resistance between an isolated voltage distribution network and an earth/safety cable. The insulation monitor is applicable with DC networks for voltages of 24, 110 or 220 V DC.