33kv/35kv/40.5kv Outdoor High Voltage Vacuum

Ratings:voltage up to 40.5kV,current up to 2000A,AC50Hz.

Application:for making &breaking load current,overload current and short-circuit protection ofelectric systems and equipments.

Standard:IEC62271-100

Application

This 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.

Specifications

Working Condition

Ambient air temperature:-25~+40℃
The influence of sunshine radiation when 1000W/m²should be taken into consideration.
Altitude:≤2000m
Pollution level:≤Ⅲ
Wind speed:≤34m/s(Equal to 700Pa over cylindrical surface)
The external shocking and earthquake could be neglected.
The amplitude of electromagnetic interference inthe secondary system≤6kV.※Note:Customized products for other special working conditions are available on your requirements.

Overall and Installation Dimension

Installation base of circuit breaker ZW7-40.5(recommended)

Overall dimension of ZW7-40.5(with Insulating pull rod and CT circuit breaker)

Parameter

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

Ordering Information

Please indicate the following items when order:

Type,name,specification and quantity.
Operating mechanism.
Voltage of auxiliary secondary circuit.
Variable ratio,accuracy,quantity and output capacity of the current transformer.
Name and quantity ofspare parts.

※Customized products are available per your requirements.

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