Pluggable type 2 arrester (surge arrester) for 2-phase current supply networks with separate N and PE (4-conductor system: L1, L2, N, PE), with remote indication contact. Overall width: 36 mm.
Pluggable type 2 arrester (surge arrester) for 3-phase current supply networks with separate N and PE (5-conductor system: L1, L2, L3, N, PE), with remote indication contact. Overall width: 48 mm
Protective plug with protective circuit free of leakage current for two floating signals. Connection in series, consisting of temperature-monitored varistor and gas-filled surge arrester between signal wires and ground