ZW□-40.5 Miniaturized Sealed Circuit Breaker (Spring-operated Mechanism)

The ZW32-40.5 outdoor high-voltage vacuum circuit breaker adopts a specially designed integrated solid-sealed column and a highly reliable operating mechanism. The device is mainly used in medium-voltage overhead line power grids to disconnect and connect load current, overload current, and short-circuit current.

Price：

￥0.00
Category：

Outdoor High Voltage Vacuum Circuit Breaker
Browse number：

24
Release time：

2024-09-21 23:15:36
Quantity： - +
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Detailed Description

Overview:

ZW32-40.5 outdoor high-voltage vacuum circuit breaker adopts a unique integrated sealing column and a highly reliable operating mechanism. The device is mainly used in medium-voltage overhead line power grids to separate and close load currents, overload currents, and short-circuit currents.

High reliability

Maintenance-free throughout the life cycle

High mechanical and electrical life

Small size, light weight, easy to install

Normal use conditions:

Ambient air temperature: -30℃～+60℃;

Altitude: not more than 3000 meters;

Wind speed not more than 34m/s;

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

Pollution level: Level IV;

Storage temperature -40℃～+85℃.

Technical Parameters

NO.	Items	Unit	Date
1	rated voltage	kV	40.5
2	Rated current	A	1250/1600
3	Rated frequency	Hz	50 or 60
4	Power frequency withstand voltage for 1 minute (wet) (dry) Interphase, ground/fracture	kV	80 95/95
5	Lightning impulse withstand current (peak value) Interphase, ground/fracture	kV	185
6	Rated short circuit breaking current	kA	25/31.5
7	Rated short-circuit closing current (peak)	kA	63/80
8	Rated peak withstand current	kA	63/80
9	4S short-time withstand current	kA	25/31.5
10	Rated operating cycle		O－0.1s－CO－3s－CO-6sCO-60s Recovery
11	Rated short-circuit current breaking times	次	30
12	mechanical life	次	100000
13	Institutional control voltage	V	AC/DC220
14	Secondary circuit 1-minute power frequency withstand voltage	KV	2