ZW30-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker

ZW30-40.5 series outdoor high-voltage true-pressure circuit breaker is a three-phase AC 50Hz high-voltage switchgear, mainly used for the control and protection of 40.5KV transmission and transformation systems, and can also be used for normal operation and short-circuit protection of urban and rural power grids and industrial and mining enterprises, and can be used as a connecting circuit breaker and for opening and closing capacitor banks.

Price：

￥0.00
Category：

Outdoor High Voltage Vacuum Circuit Breaker
Browse number：

22
Release time：

2024-09-22 02:09:44
Quantity： - +
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Detailed Description

Overview

ZW30-40.5 series outdoor high-voltage true-pressure Circuit breakers are three-phase AC 50Hz High-voltage Switchgear, mainly used for the control and protection of 40.5KV power transmission and transformation systems, and can also be used for normal operation and short-circuit protection of urban and rural power grids and industrial and mining enterprises, and can be used as contact circuit breakers and opening and closing capacitor banks.

This product is equipped with a CT17 spring energy storage operating mechanism, which can be remotely controlled for electric energy storage, electric opening and closing operations, and can also be manually stored, opened and closed on site.

Technical Parameters

Item		Unit	Parameters
Rated voltage		kV	40.5
1-minute power frequency withstand voltage	Dry test (fracture, phase space, grounding)	kV	95
1-minute power frequency withstand voltage	Wet test (grounding, outer insulation)	kV	80
Lightning impulse withstand voltage(Peak value)		kV	185
Rated current		A	2000
Rated short circuit drop out current		KA	31.5
Rated short circuit break and close current(peak)		KA	80
Rated operate sequence			0-0.3s-C0-180s-0
Rated pull-out breaking current		KA	8
Rated to back capacitor bank breaking		A	630
Break times for rated short break current		s	4
Rated short-circuit lasting time		times	20
Arcing time		ms	≤12(或or16/20)
Breaking time		ms	≤85
Mechanical life		times	10000
Rated gas charging pressure (20℃)		MPa	0.02 (without CT included) 0.2 (with CT included)