Vacuum Circuit Breakers Zw58-12/24 Model

Product Name:

Current:

Structure:

Wall-Mounted

Installation:

Removable

Voltage Level:

Medium Voltage

Shell Material:

Steel Plate

Certification:

VDE, CCC, ISO9001

Trademark:

SASUN

Transport Package:

Wooden Cases

Specification:

12KV -630A / 1250A

Origin:

China

HS Code:

8535100000

Product Description

Product details:
Description:
ZW58-12/24 model outdoor AC vacuum circuit breaker is used to make and break
load current, overload current and short-circuit current in 12/24kV, 50/60Hz power
system. It is applicable for substations, industry and mining,
urban and rural electricity power networks, especially for occasions with frequent
operation and automatic power distribution network. It accords with the standard of
IEC622 71-100 & GB1984: AC high voltage circuit breaker, IEC60694 & GB/T11022:
HV General technical requirement of switch and control apparatus
Features:
1. Strong breaking capability.
2. High level of insulation.
3. Long service life time.
4. Good pollution resistance.
Techincal data:

N0.	Test Item	Unit	Data
1	Rated voltage	kV	12	24
2	Rated current	A	630/1250	630/1250
3	Rated frequency	Hz	50/60	50/60
4	Rated short-time withstand current	kA	25	25
5	Rated short-circuit duration	s	4	4
6	Rated active load breaking current	A	630/1250	630/1250
7	Rated loop breaking current	A	630/1250	630/1250
10	Rated short-circuit making current	kA	50	50
12	power frequency withstand voltage against the earth, between phases	kV rms	40	65
13	power frequency withstand voltage against the isolating distance	kV rms	48	79
14	Lightning impulse withstand voltage against the earth, between phases (peak)	kV	75	125
15	Lightning impulse withstand voltage against the air gap(peak)	kV	85	145
16	Mechanical life	Times	10000	10000