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Class B - Low Voltage Power System Protection

The Class B series of over-voltage surge protective devices has been developed to protect against partial direct and indirect lightning discharges and is intended to provide protection in zones 0A - 1, per IEC 62305.

Category IEC / EN / VDE: Class I, II / Type 1, 2 / B + C. This range incorporates remote signalling contacts for central monitoring of SPD health.

DVSB275652TNS for TNS single phase networks with separate N and PE conductors.

DVSB400654TNS (65kA) for TNS three phase networks with separate N and PE conductors.

DVSB4001004TNS (100kA) for TNS three phase networks with separate N and PE conductors.

DVSB4001004TT for TT three phase networks, where N to PE galvanic isolation is required.

Product Variants

Part No. Description

DVSB275652TNS

DVSB275652TNS Class B Surge Protection Device Single Phase TNS 65KA

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DVSB400654TNS

DVSB400654TNS Class B Surge Protection Device Three Phase TNS 65KA

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DVSB4001004TT

DVSB4001004TT Class B Surge Protection Device Three Phase TT 100KA

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DVSB4001004TNS

DVSB4001004TNS Class B Surge Protection Device Three Phase TNS 100KA

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