High Quality Zw43-12 AC Vacuum Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Zw43-12
• Model NO.: ZW43-12
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: ISO9001-2000, IEC
• Transport Package: Wooden Carton
• Specification: ZW43-12 AC Vacuum Circuit Breaker
• Trademark: JECSANY
• Origin: China
• HS Code: 8504220000
• Production Capacity: 50000PCS/Years

Product Description

Circuit Breakers & Switch /Outdoor Circuit Breakers

ZW43-12 AC Vacuum Circuit Breaker

Name		Unit	Data
Rated voltage		kV	12
Rated  insulating  level	1min P.F withstand voltage (phase to phase, to earth; across open contacts)		dry	42/48
			wet	34
	Lightning impulse withstand voltage peak (phase to phase, to earth;)		75
	Lightning impulse withstand voltage peak ( across open contacts )		85
Rated frequency		Hz	50
Rated current		A	630, 1250
Rated short-time withstand current		KA/4S	20,25
Rated short-circuit breaking current		KA	20,25
Rated short-circuit making current			50,63
Rated peak withstand current(peak)			50,63
Rated operating sequence		/	O-0.3s-CO-180s-CO
Breaking time of rated short-circuit breaking current		Times	30
Mechanical duration			30000,10000
Abrasions thickNess of contacts		mm	3
Net weight		kf	70