ZW32-40.5 (AB-35/40.5) Outdoor High Voltage Vacuum Circuit Breaker

ZW-35kV (AB-35/40.5) type pole mounted high voltage (permanent magnet, spring) vacuum circuit breaker adopts specially designed permanent magnet mechanism (or spring mechanism) and highly reliable intelligent controller. This device is mainly used in medium voltage overhead line power grid to open and close load current, overload current and short circuit current, and has 0~3 times automatic reclosing.

Price：

￥0.00
Category：

Outdoor High Voltage Vacuum Circuit Breaker
Browse number：

20
Release time：

2024-09-22 02:28:58
Quantity： - +
Share：

INQUIRY

Detailed Description

Overview

ZW-35kV (AB-35/40.5) type pole-mounted high-voltage (permanent magnet, spring) vacuum circuit breaker adopts a specially designed permanent magnet mechanism (or spring mechanism) and a highly reliable intelligent controller. This device is mainly used in medium-voltage overhead line power grids to open and close load current, overload current, and short-circuit current, and supports 0 to 3 automatic reclosing.

◆High reliability

◆Maintenance-free during the entire life

◆High mechanical and electrical life

◆Small size, light weight, easy to install

◆Standard relay protection and fast automatic reclosing function

Conditions of use

◆Ambient air temperature: -30℃ to +60℃;

◆Altitude: not more than 2000 meters;

◆Wind speed not more than 34m/s; .

◆Vibration or ground movement from outside the switchgear and control equipment is negligible;

◆Pollution level: IV ;

◆Storage temperature : -40℃ to +85℃.

Technical Parameters

NO.	Item	Unit	Data
01	Rated voltage	kV	40.5
02	Rated current	A	1250/1600
03	Rated frequency	Hz	50 or 60
04	Power frequency withstand voltage 1min (wet) (dry)	kV	80/95
05	Lightning impulse withstand current (peak value)	kV	185
06	Rated short-circuit breaking current	kA	31.5
07	Rated short-circuit making current (peak value)	kA	80
08	Rated peak withstand current	kA	80
09	4S short-time withstand current	kA	31.5
10	Rated operation cycle		O-0.1s-CO-3s-CO-6sCO-60s recovery
11	Rated short-circuit current breaking times	times	30
12	Mechanical lifespan	times	20000
13	Control voltage of permanent magnet mechanism	V	DC220
14	1-minute power frequency withstand voltage of the secondary circuit	KV	2
15	Contact opening distance	mm	16±1
16	contact overtravel	mm	4±0.5
17	Opening speed	m/s	1.4-1.8
18	Closing speed	m/s	0.4-0.8
19	contact closing bounce time	ms	≤5
20	Phase center distance	mm	460±2
21	asynchrony of three-phase opening and closing	ms	≤2
22	Conductive circuit resistance of each phase	μΩ	<120
23	Closing time	ms	25~45
24	Opening time	ms	20~45
25	weight	Kg	295