Front Panel Installation Indoor Vacuum Circuit Breaker Environmental Friendly

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Zhuhai Comking Electric Co.,Ltd.

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Name: Front Panel Installation Indoor Vacuum Circuit Breaker Environmental Friendly
Brand: Comking
Price: 1 USD

Brand Name : Comking

Model Number : CKVB-24/GE

Certification : Type Test Report

Place of Origin : China

Payment Terms : L/C, T/T, Western Union

Packaging Details : Wooden Packing

MOQ : 1set

Price : To be discussed later

Delivery Time : 10-15 work days

Rated voltage : 24kV

Rated current : 630A,1250A

Rated frequency : 50Hz

Type : Indoor

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1. CKVB-24/GE is the circuit breaker with right lateral.

2. Technical Data

Description		Unit	Parameter
Rated voltage		kA	24
Rated short-time withstand voltage	phase-to-phase phase-to-earth	kA	65
	open contact	kA	79
Rated lighting impulse withstand voltage	phase-to-phase phase-to-earth	kA	125
	open contact	kA	145
Rated frequency		Hz	50
Pole centre distance		mm	210, 230
Rated current		A	630		1250
Rated short-time withstand current(4s)		kA	25	31.5	25	31.5
Rated peak withstand current		kA	63	80	63	80
Rated short-circuit breaking current		kA	25	31.5	25	31.5
Rated short-circuit making current		kA	63	80	63	80
Rated breaking cable charging current		A	25
Rated capacitor bank inrush making current		kA	12.5
Rated single capacitor bank breaking current		A	630
Rated back to back capacitor bank breaking current		A	400
Operating sequence		/	Opening-0.3s-Closing/Opening-180s-Closing/Opening
Mechanism life		times	20000
Opening times for rated current		times	20000
Opening times for rated short-circuit current		times	50
Clearance between open contacts		mm	13±1
Overtravel		mm	4±1
Average closing speed		m/s	0.8～1.2
Average opening speed		m/s	1.1～1.7
Closing time		ms	35～70
Opening time		ms	20～50
Bounce time for contact’s closing		ms	≤2
Asynchronous time for three-phase contacts closing / opening		ms	≤1
Allowable accumulated wearing thickness of moving/fixing contact		mm	3

3. Standard

----GB1984-2003

---- IEC60056-2001

---- GB/T16927-1997

---- GB/T 4473-2008

---- DL/T403-2000

--- J B/T3855-2008

4. Working Condition

4.1 Ambient air temperature: -25℃～+40℃

4.2 Ambient humidity:

---- relative average daily humidity: ≤95%

---- relative average daily water vapor pressure: ≤2.2kPa

---- relative average monthly humidity: ≤90%

---- relative average monthly water vapor pressure: ≤1.8kPa

4.3 Altitude: ≤1000m

4.4 Earthquake intensity: ≤magnitude 8

4.5 Ambient air doesn’t obviously pollute by dust, smoke, corrosive or combustible gas, vapors or salt spray.

(Exceeding above working condition is available as customized product)

Product Tags:

vcb circuit breaker

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