Zw32-12 Type Outdoor High Voltage Vacuum Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: ACB
• Model NO.: ZW32-12
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
• Certification: ISO9001-2000
• Transport Package: Export Standard
• Trademark: FUERTE, OEM
• Origin: China
• HS Code: 8535210000
• Production Capacity: 3600PCS/Year

Product Description

ZW32-12 Outdoor HV Vacuum Circuit BreakerZW32-12 type outdoor high voltage vacuum circuit breaker is 3-phase AC, 50(60) Hz outdoor power distribution equipment with the rated voltage of 12kV. It is mainly used to break and close the load current, over load current, and short circuit current in the electric power system. It fits to be used to protect and control the circuit in substation, mining and industrial enterprises. It also can be used in the frequently operation places such as the rural power network. The product is accordance with GB1984-2003 standard.

Service condition:

1. Ambient temperature: + 65°C,- 45°C;

2. The altitude does not exceed 2000 m; 
3. Wind pressure is not higher than 700Pa,(equivalent to wind speed 34 m/s);

4. Seismic intensity not more than level 8;
5. Filthy degree: IV degree.

6. Maximum daily temperature: no more than 25 degrees;
7. No fire, explosion, serious filthy, chemical corrosion and violent vibration of places.

Technical Parameter

No.	Name		Unit	Data
1	Rated voltage		kV	12
2	Rated frequency		Hz	50
3	Rated current		A	630
4	Rated short circuit breaking current		kA	20
5	Rated short circuit making current		kA	50
6	Rated peak withstand current		kA	50
7	Rated short time withstand current		kA	20
8	Rated short-circuit duration		S	4
9	Rated power frequency withstand voltage		kV	42/1min
			kV	48/1min
10	Lighting impulse withstand voltage	Between phases, phase to ground	kV	75 85
		Between gaps	kV
11	Rated operating sequence			0-0.3s-CO-180S-CO
12	Mechanical endurance		times	10000