Leading Technology Zw7-40.5 12kv Rated Three Phase Maintenance-Free Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: ZW7-40.5/1600
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: MCB
• Poles Number: 4
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: ISO9001-2000, CCC
• Protection Grade: IP54
• Usage Environment: Indoor or Outdoor
• Insulation Cylinder Material: Insulating Silicone Rubber
• Rated Current: 630A-1250A
• Rate Frequency (Hz): 50Hz/60Hz
• Usage: High Voltage
• Operation Method: Manual Operation/Electric Operati
• Rated Voltage: 6kv-11kv
• Mechanical Life: 2 (10,000 Times)
• Custom Processing: Yes
• Rated Opening Operating Voltage: AC220
• Rated Closing Operating Voltage: AC220
• Operating Voltage: 110V 220V
• Sell: The Whole Global
• Resistance: 90-120 Ohms
• Transport Package: Wooden Case / According Customers′ Demands
• Specification: ZW7-40.5/1600
• Trademark: Vouchivan
• Origin: Jiangsu, China
• HS Code: 8504333000
• Production Capacity: 50pieces/Day

Product Description

Product Description

Product Parameters

Main Specification
Rated voltage	kV	24
1minVoltage at rated power frequency		Alternate/to the ground65, fracture65
Lightning impulse withstand(peak)		Alternate/to the ground125, fracture145
Rated current	A	630,1250
Rated frequency	Hz	50
Rated short-circuit breaking current(peak)	kA	20	25	31.5
Rated short-circuit withstand current		50	63	80
Rated peak withstand current		50	63	80
4SRated short-time withstand current	kA	20	25	31.5
Rated operating sequence		O-0.3s-CO-180s-CO
Closing time	ms	25~60
Opening time		18~45

Parameter	Unit	Value
Rated short-circuit breaking current breaking times	Second-rate	30
Mechanical life		10000
Secondary circuit1minPower frequency withstand voltage	V	2000
Rated power of energy storage motor	W	40
Rated voltage of energy storage motor	V	DC220,110,DC24
Rated closing operating voltage		AC/DC220,110;DC24
Rated opening operating voltage		AC/DC220,110; DC24
Motor energy storage time	S	≤8
Contact Spacing	mm	12±1
Overtravel		3 ±1
Phase center distance		395 ±2
Contact closing bounce time	ms	22
Synchronization between three-phase switching		w2
Average dividing speed	m/s	1.1-1.7
Average closing speed		0.5-1.0
Main circuit resistance	μΩ	≤100

Operating conditions

1.Working temperature:-40 ºC~+60 ºC

2.Operating humidity:0-95%

3.The working environment of solar radiation:≤1.1kW/m

4.The wind speed does not exceed 35m/s(equivalent to 700pa on the cylindrical surface)

5.Pollution Level:IV grade

6.ice thickNess:≤10mm

7.seismic intensity:≤8°

Applicable scene

Factory environment

 

Our Advantages

Q1. Are you a factory or trading company?
A1.We are a factory.
 

Q2:How do you control the quality ?

A2:Professional QC team comply with TQM insure you the quality. Each step is in compliance to the standards,At the same time ,we will take photos or shoot video for you.

Q3: Could I have prices of your products?
A3: Welcome. Please feel free to send us an inquiry here. We will reply you within 24 hours.