Zw32 Pole Mounted Power Circuit Breaker Electric Automatic Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: ZW32
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: MCB
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: VDE, ISO9001-2000
• Material: Plastic
• Rated Frequency: 50/60 Hz
• Warranty: 1 Years
• Transport Package: Wooden
• Trademark: Chenghe
• Origin: Wenzhou China
• Production Capacity: 4000 Sets/Year

Product Description

Product Description

Overview

ZW32-12/T630-25 Type Outdoor high voltage vacuum circuit breaker is a outdoor distribution equipment with AC 50HZ,rated voltage 12KV and three-phase ac. It is mainly used for open circuit power distribution network and close the load current, overload current, short circuit current in power system.It is suitable for the transformer substation and factory power distribution system for protection and control use. Especially suitable for urban power grid and rural power grids.

Service Condition

1. Ambient Temperature: -40ºC~+65ºC,daily temperature≤25ºC;
2. Altitude: ≤2000m
3. Wind speed: ≤35m/s
4. Earthquake intensity: ≤8
5. Anti-fouling property: IV level
6. Installation site: Not putting inflammable, explosive, chemical corrosion.

Technical Parameters

NO.	Item		Unit	Numeric
1	Nominal  Voltage		KV	12
2	Rated  Frequency		HZ	50
3	Rated  Current		A	630/1250
4	Rated Short-circuit Breaking Current		KA	20
5	Rated  Stability rated  current		KA	50
6	RMS/Rated the rmal stabilization		KA/S	20/4
7	Mechanism life		Times	10000
8	Rated short-circuit closing breaking Number		Times	30
9	Rated operating sequence			O-0.3s-CO-180s-CO
10	Rated breaking current number		Tmes	10000
11	Rated short-circuit close-open current		KA	50
12	1min Power-frequency withstand	Dry	KV	42/48
		Wet	KV	34
13	Lighting impulse withstand voltage(Peak Value)		KV	75/85
14	Secondary circuit 1min Power-frequency withstand		KV	2