Low Voltage Power System > Class I, II, III; B+C+D; Single & Multi-pole Iimp 12.5/pole
PROTEC B2S(R) 25 (1+1)
Specification :
TT
L - N, N - PE
High energy MOV & GDT
Iimp (MOV/GDT) = 12.5/50kA
Imax = 60kA/50kA
Modular design

The PROTEC B2S 12.5 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. PROTEC B2S 25 (1+1) combines a PROTEC B2S 12.5 and PROTUBE B2S to provide protection for TT single phase networks, where N to PE galvanic isolation is required.
PROTEC B2S(R) 50 (3+1)
Specification : TT
L/N - PE, L - PEN
High energy MOV & GDT
Iimp (MOV/GDT) = 12.5/50kA
Imax = 60kA per pole
Modular design

The PROTEC B2S 12.5 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. PROTEC B2S 50 (3+1) combines three PROTEC B2S 12,5 units and a PROTUBE B2S, to provide protection for TT three phase networks, where N and PE galvanic isolation is required.
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