Wall Mount Surge Suppressor -BT 4L-WP CM 275/40 3P
Wall Mount Surge Suppressor BT 4L-WP CM 275/40 3P（810829）is for installation at LPZ 0B-1 or higher, protecting low voltage equipment from surge damage. Applied in modular SPD Class II (Class C) for 3 Phase TN-C(“3+0” circuit) power supply system. Compliance Standards: IEC 61643-11:2011;EN 61643-11:2012;GB/T 18802.11-2020.
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Type
BT 4L-WP CM 275/40 3P
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Art.-No.
810829
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Features
1. Adopting SPD class 2 (class C/II) combined "3+0" circuit for TN-C system. 2. Single-pole module max. lightning discharge current up to L-PEN 40kA (8/20us). 3. Built-in circuit breaker, prewired with SPD, easy for installation. 4. Impulse counter function, recording the lightning events. 5. Water proof level Ip65, suitable for indoor or outdoor application. 6. Mode of protection：L-PEN.
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Protection Elements: High Engry MOV
Mode of protection: L-PEN
Surge Ratings: In=20kA(8/20μs)
High Surge Currents: Imax=40kA(8/20μs)
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