Zw32-40.5 Outdoor High Voltage Integrated Sealed Pole Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000, CE, CCC, ISO45001:2018/ISO14001:2015
• Rated Frequency: 50Hz
• Mechanical Life: 20000times
• Transport Package: Wooden Case
• Trademark: ROOQ/Neutral/OEM
• Origin: China
• HS Code: 8537200000
• Production Capacity: 2000PCS/Month

Product Description

ZW32-40.5 outdoor high-voltage vacuum circuit breaker adopts a unique design of integrated sealed pole and high-reliability operating mechanism.
The device is mainly used in medium voltage overhead power grid, as a sub-, Combined with load current, overload current and short circuit current.

 Main features
1.high reliability
2. It is completely maintenance-free during the whole life
3. It has high mechanical life and electrical life
4. The whole machine is small in size, light in weight and easy to installed in medium voltage overhead power grid, as a sub-, Combined with load current, overload current and short circuit current.

Normal use environment
1. Ambient air temperature:-30°C ~+60°C;
2. Altitude: ≤ 3000 m;
3. The wind speed shall not exceed 34m/s;
4. Vibration or ground motion from the outside of switching equipment and control equipment can be ignored;
5. Pollution grade: Grade IV;
6. Storage temperature: -40


Advantages

1 - with reliable interlock functions, suitable for frequent operation

2 - low noise and energy consumed

3 - simple and robust construction.
4 - high operating reliability

 

 
Fields of application

1 - Transformers and distribution substations
2 - Generator control and protection

3 - Capacitor bank control and protection, etc

mechanical parameter

name	unit	data
rated voltage	KV	40.5
rated current	A	630/1250
rated frequency	HZ	50/60
power frequency withstand voltage 1min(wet)(dry)phase to phase/phase to ground	KV	80  95/95
lighting impulse withstand current(peak value) phase to phase/phase to ground	KV	185
rated short circuit breaking current	KA	25/31.5
rated short circuit closing current(peak)	KA	63/80
rated peak withstand current	KA	63/80
4s short time withstand current	KA	25/31.5
rated operating cycle		on-0.1s-on/off-3s-on/off-6s on/off-60s recovery
rated short circuit current breaking times	TIMES	30
mechanical life	TIMES	10000
mechanism control voltage	V	AC/DC220
1min power frequency withstand voltage of secondary circuit	KV	2
contact opening distance	MM	16±1
contact overstroke	MM	4±0.5
opening speed	M/S	1.4-1.8
closing speed	M/S	0.4-0.8
contact closing bounce time	MS	≤5
interphase center distance	MM	460±2
different periods of three phase opening and closing	MS	≤2
resistance of each phase conductive loop	μΩ	<80
closing time	MS	≤100
opening time	MS	≤50
weight	KG	270