Уличное устройство защиты от перенапряжения 275 В 40 кА класс II блок амортизаторов с импульсным счетчиком защита молний spd

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Outdoor 275V 40KA Class II transient surge protection device arresters box with impulse counter spd power lightning protectors

Product Description:
Adopting Class II SPD to combine “3+1” circuit, protecting low voltage equipment from surge damages, applied in TT system, designed according to IEC61643-1/GB 18802.1
Main character:
1. Green light indicates normal and red light indicates fault for operation

2.  Built-in circuit breaker, and thermal disconnection device, when the fault occurred, the thermal disconnection device will cut off the SPD from the power net, the green window will change to red
3. Impulse counter function, recording the lightning events
4. External wiring terminal, easy for connection, suitable for indoor application

Parameters:

Type		BT 5L CM 275/40 4P	BT 5L CM 385/40 4P	BT 5L CM 275/40 3+1	BT 5L CM 385/40 3+1
Order No.		840 883	840 887	840 884	840 888
Norminal a.c. voltage	UN	230V/400V	230V/400V	230V/400V	230V/400V
Rated voltage (max. continuous a.c voltage) L/N	Uc	275V	385V	275V	385V
Rated voltage (max. continuous a.c voltage) N/PE	Uc	275V	385V	255V	255V
Nominal discharge current (8/20µs) L/N	In	20KA	20KA	20KA	20KA
Nominal discharge current (8/20µs) N/PE	In	20KA	20KA	40KA	40KA
Max. discharge current (8/20µs) L/N	Imax	40KA	40KA	40KA	40KA
Max. discharge current (8/20µs) N/PE	Imax	40KA	40KA	65KA	65KA
Voltage protection level L/N	Up	≤1.25KV	≤1.8KV	≤1.25KV	≤1.8KV
Voltage protection level N/PE	Up	≤1.25KV	≤1.8KV	≤1.5KV	≤1.5KV
Follow current extinguishing capability at Uc (N/E)	IL			100Arms	100Arms
Operating temperature range		-40℃…+80℃
Cross-sectional area		25mm2 solid/35mm2 flexible
Enclosure material		black metal housing (die-casting Aluminum)
Test standards		YD/T 1235.1; GB 18802.1; IEC 61643-1
Certification		CE (LVD, EMC)