11kv Vcb 1250A Indoor AC High Voltage Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: ZN63A(VS1)-12
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vs1-12 /Zn63
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: ISO9001-2000, CE, CCC
• Transport Package: Wooden Case
• Trademark: Wantai
• Origin: China
• Production Capacity: 10000 Sets Per Month

Product Description

11KV VCB 1250A Vacuum Circuit Breaker

Vs1 type (ZN63) - 12 indoor vacuum circuit breaker is a indoor high voltage switch equipment, applicable to 12 kv rated voltage, three-phase power system frequency 50 hz, used as protection and control electric equipment, as a result of the vacuum arc extinguishing performance is good, anti-fouling ability strong, almost maintenance-free special superiority, especially suitable for high current load frequent operation.

Vacuum circuit breaker on outdoor high voltage column is a new type of outdoor high voltage switch equipment with rated voltage of 12KV, which is mainly used in distribution system of city network and rural network as load current, overload current and short circuit current. The external insulation is made of silicone rubber material, which has reliable insulation and strong anti-pollution ability.

Rated voltage			12kV
Rated frequency			50Hz
Rated Lightning Shock Test Voltage/Fracture			75/85kV( Peak value)
Power Frequency Tolerance Voltage/Fracture Rated 1 Min			42/48kV ( Effective value)
Rated operation sequence			0-t-C0-t1-C0
Circuit Breaker Model	Rated current	Rated interruption current KA	Rated short circuit closing current(peak) KA	Rated Short Circuit Duration S	Breaking times	Mechanical life
ZN63-12/...	630 1250	20/25	50/63	4	100	20000
	1250 1600 2000 2500	31.5	80	4	50	20000