ZW43A-12F outdoor vacuum circuit breaker|Jingshe Electric Co., Ltd.

ZW43A-12F outdoor vacuum circuit breaker

Product Category：Outdoor high voltage vacuum circuit breaker

Intro：ZW43A-12F outdoor vacuum circuit breaker is used to make and break load current, overload current and short-circuit cur rent in 12kV, AC 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.

Product Consultation

Description

ZW43A-12F outdoor vacuum circuit breaker is used to make and break load current, overload current and short-circuit cur rent in 12kV, AC 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.

Technical Data

Rated voltage			kV	12
Rated insulation level	1 min PF withstand voltage	Dry		42/48
		Wet		34
	Lightening impulse withstand voltage(peak)			75/85
Rated current			A	630
Rated short-circuit breaking current			kA	20
Rated operating sequence				0-0.3s-co-180s-co
Opening times of rated short-circuit breaking current			times	30
Rated short-circuit closing current			kA	50
Rated peak withstand current
Rated short-time withstand current				20
The duration of rated short circuit			s	4
opening time				0.040~0.060
closing time				0.070~0.120
Mechanism life			Times	10000
Rated closing operation voltage			V	AC/DC220,110
Rated opening operation voltage				AC/DC220,110
Over current tripper	Current setting multiple		s	0.2~2.5
	setting current tolerance			±10%
	delay setting value			0-0.5
	latency tolerance			±10%
Instantaneous over-current protection	current setting multiple		s	2.5-10
	setting current tolerance			±10%
	delay setting value			0-0.5
	latency tolerance			±10%
AC input current charging control unit	Rating value		A	5
	Fluctuation range		A	0.5~8

Basic components:
1. Current transformer protection poles 2 pcs
2. Spring mechanism AC220V

Optional components:
1. Current transformer, metering and protection poles 2pcs each 75/5 or higher
2. Outside voltage transformer 2pcs (for control power supply and metering)
3. Motor spring mechanism AC/DC 220V/110V/48V/24V
4. Reclosing controller and series FTU and RTU
5. Disconnecting blade

Outline & Mounting Dimensions