Zw20-12 Outdoor Vacuum Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Zw20-12f
• Model NO.: ZW20-12
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: ISO9001-2000, IEC
• Transport Package: Wooden Carton
• Specification: ZW20-12 Vacuum Circuit Breaker
• Trademark: JECSANY
• Origin: China
• HS Code: 8504220000
• Production Capacity: 50000PCS/Years

Product Description

Circuit Breakers & Switch /Outdoor Circuit Breakers

ZW20-12 Vacuum Circuit Breaker

 

Name	Unit	Data
Rated voltage	KV	12
Rated power frequency	Hz	50
Rated current	KA	630/1000
Rated short-circuit breaking current	KA	20/25
Rated withstand current(peak)	KA	50/63
Rated short-time withstand current(4s)	KA	20/25
Rated short-circuit making current(peak)	KA	50/63
Mechanical life	Secondary	10000
Rated short-circuit breaking time	Secondary	30
Power frequency withstand voltage (1min) :( wet) (dry) white, right\fracture	KV	42/48
Lighting impulse withstand votage (peak) and white, right \ fracture	KV	75/85
Secondary circuit 1min power frequency withstand voltage	KV	2
Weight	kg	180
SF6 rated gage pressure	Mpa	0