China Wholesale Oil Circuit Breaker Factories – OEM Customized China Kerong Network Lock Control PCB for Centralized Locker – Jonchn

Overview

It can be divided into AC output (JC-D)和DC output(ZC-D), and provide emergency power to keep system normal working for evacuation lighting and indicator lights when in lack of city power. This centrally connected power source is DC output type with 24 VDC.
Features
1、Rectifier module adopts the international forefront PTR soft switch technology with high efficiency and reliability.
2、Using the latest fire prevention corrosion resistant material with professional fire prevention safety design to keep away from fire hazards.
3、Easy to maintain, can be monitored by computer, automaitic switch between external power grid and the battery, unattended operation, mutual switch time ≤0.25S.
4、Smart battery management: can adjust number of batteries, battery voltage (upper and lower limits), set the battery failure recovery voltage (upper and lower limits), set up regular battery testing, the battery voltage, battery failure alarm, etc

Technical Index

Centrally connected power source		ZC- D-0.45KVA	ZC- D-0.9KVA
Input	voltage	Single phase 220V(1±25%)
	frequency	50Hz ((1±5%))
Output	voltage	24VDC (30-50A)
Battery	type	Sealed maintenance free
	nominal voltage	24VDC
	charge time	＜24H
Switch time		＜0.25s
Emergency power supply time		Normal: 90min (can be customized)
Load ability		120% 60s; 150% 5s
Protection function		Circuit breaker, lack voltage, over current, short circuit
Noise (1M)		When city power normal and emergency: no noise
Working environment	humidity	10%-90%
	temperature	-10 ℃-40 ℃
	altitude	＜2000m
Adaptive load		Adapt to all 24VDC lighting load
Output circuit (standard type)		4
Standard size		600mm*230mm*800mm	600mm*230mm*1000mm
Outer size