ARD Auto Reclosing Device miniature Circuit Breaker for electricity meters

NKB1-100ARD Automatic Reclosing Miniature Circuit Breaker for Photovoltaic System(Hereinafter referred to as circuit breaker), suitable for AC 50Hz, rated working voltage to 400V, rated current to 80A of the line, with over-voltage, undervoltage, loss of pressure, overload short-circuit Protective function. At present, widely used in photovoltaic distribution box.

Product Details Company Profile

Description

Place of Origin: Zhejiang, China (Mainland)
Brand Name: SENTAI
Model Number: NKB1
Type: Mini
Poles Number: 2P 4P
Rated frequency: 50/60 Hz
Breaking capacity: 6kA
Rated current:6A,10A,16A,20A,32A,40A,50A,63A,80A
Product name: Auto Reclosing Device miniature Circuit Breaker for electricity meters

Application

NKB1-100ARD Automatic Reclosing Miniature Circuit Breaker for Photovoltaic System(Hereinafter referred to as circuit breaker), suitable for AC 50Hz, rated working voltage to 400V, rated current to 80A of the line, with over-voltage, undervoltage, loss of pressure, overload short-circuit Protective function. At present, widely used in photovoltaic distribution box.
Specification

Item	Data
Electrical Characteristics
Poles	2P,4P
Function	Short circuit protection, overload protection,
Function	over / under / loss protection
Inm Frame size rated current	80A
Ue Rated operating voltage	400V
In Rated current	32,40,50,63,80A,100A
Type of Instantaneous trip	C
Rated short-circuit breaking capacity	Ics=Icn=6000A
Mechanical cycle operation	10000/times
Electrical cycle operation	4000/times

Protective function
Overvoltage protection	285V±5V
Overvoltage protection recovery value	275V±5V
Overvoltage protection action delay	1s
Undervoltage protection	150V±5V
Undervoltage protection recovery value	160V±5V
Undervoltage protection action delay	1s
Limit operating voltage	300V
Loss of pressure protection function	YES
Reset delay	20s-40s
Power consumption	0.5W

Installation Environment
Protection degree	IP20
Connection capacity	1~35mm
Ambient temperature	- 40℃~70℃
Resistance to wet heat resistance	2
Altitude	≤2000 m
Pollution degree	2
Installation Environment	There was no significant impact and vibration
Installation category	III
Mounting	DIN rail