Surge protection box for power(with airbreak switch)

Model:	LZA-/FS Series
Brand:	LZZ
Origin:	Made In China
Category:	Security & Protection / Other Security & Protection
Label:	Surge protection , lightning protection
Price:	-
Min. Order:	100 pc

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Product Description

Application range

These series are applied to equipotential bonding of the low voltage main or distribution boxes in the building, providing protection against the overvoltage arising fromthe lightning strike to power supply system or faulty operation.(option from IEC61643-1 and Gb50343 standard)

Main structure and work principle.

Convenient wiring standard connection components

Build-in temperature control and circuit breaking technology, high security performance.

Green light in notice window indicates normal, red indicates broken, replacement notice, which are clear and easy distinguished.

Function of lightning count capable of storage and display of lightning frequency

Display status of ormal on and normal off.

Totally-enclosed metal shell good shielding effectiveness free maintenance

Main technical data

Type	LZA-20C/2FS（3FS）		LZA-40B/2FS（3FS）
Norminal working voltage Un V	220V	380V	220V	380V
Max. continuous AC Voltage Uc V	385		385
Voltage protection level Up KV	＜1.8		＜2.0
Norminal discharge current In (8/20μs) kA	20		40
Max. Discharge current Imax (8/20μs) kA	40		80
Reserve protection breaker	40A/2P	40A/4P	63A/2P	63A/4P
Protection principle	2P	3P+N	2P	3 P+ N
Response time ns	＜25
Enclosure material	Aluminum alloy
Cross-sectional area	≥10mm 2 stranded/ flexible
Starting current	≥400A
Counting range	0-99
Leakage current 75% Uc 1mA	≤20μA