Outdoor Vacuum Circuit Breaker Switch Spring Energy Storage Operating Mechanism 12kv

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: ZW8-12
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: ACB
• Poles Number: 1
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: ISO9001-2000, CCC
• Brand: Bdn
• Place of Orignal: Zhe Jiang
• Phase Number: 3
• Mechanical Life: 10000
• Rated Voltage: 10
• Rated Current: 630
• Insulation: Casting Insulation
• Transport Package: Wooden Case
• Specification: medium
• Trademark: BDN
• Origin: China
• HS Code: 85353010
• Production Capacity: 500

Product Description

 

General

Outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in12kV,50/60Hz power system. Its applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operation and automatic power distribution network.

Service environment

• Altitude:≤2000mm;

• Ambient air temperature:-40C-+45ºC;

• Wind speed: 34m/s;

• Earthquake intensity:8degree;

• Relative humidity: monthly average 90%, daily average 95%;

• Ice thickNess: 10mm;

• Pollution degree: IV;

• There will be have dew under the condition of high temperature low down hastily.

 

Product Parameters

Name		Unit	Data
			16kA	20kA	25kA
Rated voltage		kV	10
Max. operation voltage		kV	12
Rated current		A	630/1250
Rated short-circuit breaking current		kA	16	20	25
Rated short-circuit making current		kA	40	50	63
Rated peak withstand current		kA	40	50	63
Rated short-time withstand current		kA	16	20	25
Rated Insulate level	1min P.F withstand voltage	kV	42/48
	Lightning impulse withstand voltage(peak)	kV	75
Rated operating sequence			O-0.3s-CO-180s-CO
Mechanical life		times	10000
Rated short-circuit breaking current breaking times		times	30
Rated Operating Setup Closing Voltage		V	AC220 DC220,100
Rated Operating Setup Opening Voltage		V	AC220 DC220,100
Contact Stroke		mm	11±1
Contact Over travel (Contact Spring Constringent Length)		mm	3
Out Of Simultaneity Of Contact Closing And Opening		ms	≤2
Contact Closing Bounce Time		ms	≤2
Average opening Speed		m/s	1.0±0.2
Average Closing Speed		m/s	0.7±0.15
Opening Time	The Highest Operating Voltage	s	0.015-0.05
	The Lowest Operating Voltage	s	0.03-0.06
Contact Closing Time		s	0.025-0.05
Current by Phase Circuit Resistance		μΩ	≤120(≤200)
Contact erosion limit		mm	3

 

Certifications

 

Workshop

 

Packaging & Shipping