Class C - Low Voltage Power Supply Protection

The Class C series of over-voltage surge protective devices has been developed to protect against the effects of indirect lightning discharges and induced voltages and is intended to provide protection in zones 1 — 2 per IEC 62305.

Category IEC / EN / VDE: Class II / Type 2 / C. Available with and without remote signalling contacts.

DVSC27545 consists of a high performance varistor block with thermal disconnection device. The plug-in module/base design facilitates replacement of a failed module in situ without the need to remove system wiring.

DVSC275452TNS series combines two 45kA varistor modules to provide protection for single phase TNS networks.

DVSC275452TT series combines a 45kA varistor and gas discharge tube to provide protection for TT single phase networks, where N to PE galvanic isolation is required.

DVSC400453TNC series combines three 45kA varistor modules, to provide protection for TNC three phase networks with a combined PEN conductor.

DVSC400454TNS series combines four 45kA varistor modules, to provide protection for TNS three phase networks with separate PE and N conductors.

DVSC400454TT series combines three 45kA varistor modules and a gas discharge tube, to provide protection for TT three phase networks, where N to PE galvanic isolation is required.