33kv/35kv/40.5kv Outdoor High Voltage Vacuum Circuit Breaker (ZW7) with Spring Operating Mechanism-Gongshun electric co.,tld.

33kv/35kv/40.5kv Outdoor High Voltage Vacuum Circuit Breaker (ZW7) with Spring Operating Mechanism

Contact Us
Phone：+8613388556555
WhatsApp: +8613967773640
Email: gongshun@electric-cn.com
Web：www.electric-cn.com

Description

Basic Info.

Model NO.	ZW7-40.5	Arc-extinguishing Medium	Vacuum
Installation	Open Frame	Structure	ACB
Poles Number	3	Type	Circuit Breaker
Function	Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)	Certification	ISO9001-2000,
Rated Voltage	33kv~35kv	Current Rating	630A~2000A
Rated Frequency	50Hz-60Hz	Weight	700Kg
Transport Package	Export Standard Wooden Case	Trademark	CHNGS
Origin	China	Rated Short-Circuit Interrupting Current	20 25 31.5
Specification	310027001400mm

Product Description.

ZW7-40.5 type outdoor high voltage vacuum circuit breaker is the three-phase AC 50Hz outdoor high voltage electrical equipment, suit for control and protection of 20-40.5kV transmission and distribution system; can also be used for sectional circuit breaker and switching capacitor bank occasions; this product can be matched with piecewise controller, reclose device can realize the power system intelligent segmentation, reclose control. And can add the current transformer for measurement and protection. Circuit breaker equipped with spring or electromagnetic actuator, reliable mechanical performance, frequent operation; no fire and explosion danger; circuit breaker conforms to the national standard GB19841989 "AC high voltage circuit breaker" and the International Electrotechnical Commission Standard IEC56, IEC62271-100 "high voltage AC circuit breaker" requirements.

Product Parameters.

serial number	project			unit	parameter
1	Rated voltage			KV	40.5
2	Rated insulation level	1min power frequency withstand voltage	Dry test	KV	95
		1min power frequency withstand voltage	Wet test	KV	80
		Lightning impulse withstand voltage (peak)		KV	185
3	Current rating			A	1250,1600,2000
4	Rated short-circuit interrupting current			KA	20,25,31.5
5	Rated sequence of operations				min-0.3s-combine-180s-combine
6	Rated number of short-circuit current interruptions			times	12
7	Rated short-circuit closing current (peak)			KA	50,63,80
8	Rated peak withstand current			KA
9	Rated short-time withstand current			KA	20,25,31.5
10	Rated short-circuit duration			S	4
11	Contact opening distance			mm	22±2
12	Contact overtravel			mm	4±1
13	Average opening speed			m/s	1.5±0.2
14	Average closing speed			m/s	0.7±0.2
15	Contact closing bounce time			mS	≤2
16	Three-phase (split) gate synchronous time difference			mS	≤2
17	Closing time			ms	≤150
1Q	Opening time			mS	≤60
19	Mechanical life			times	10000
20	Rated operating voltage, auxiliary circuit rated voltage			V	DC110/220,AC110/220
21	Current resistance per phase loop (without transformer)			μΩ	≤100
22	weight			kg	700