DEHNshield TNS 255 4P Type I+II AC Surge Arrester 941400

The DEHNshield 941400 is a high-performance AC surge arrester designed for TN-S earthing systems. Combining Type I and Type II protection in a single 4-pole unit, it safeguards electrical installations against both direct lightning strikes (10/350 µs) and switching surges (8/20 µs). With a nominal voltage of 255V AC, this arrester is ideal for main distribution boards in commercial and industrial buildings.

• Type I+II protection – handles high-energy surges and residual lightning currents
• 4 poles (4P) – suitable for three-phase TN-S networks
• Compact DIN rail mounting – easy integration into existing switchgear
• High reliability – backed by DEHN's expertise in surge protection

Order the DEHNshield 941400 today to ensure continuous operation and equipment safety.