24kv Vacuum Circuit Breaker with Lateral Operating Mechanism

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Withdrawable & Fixed
• Structure: MCCB
• Model NO.: VIB/R-24/1250-25
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, OVP(Overvoltage Protection)
• Certification: VDE, ISO9001-2000, CE, CCC
• Transport Package: Non-Solid Wooden Case and Carton
• Specification: IEC: M2-E2-C2
• Trademark: Longxiang
• Origin: Baoji, Shaanxi China
• HS Code: 85389000
• Production Capacity: 20000sets/Year

Product Description

VIB/R-24 series of vacuum circuit breaker with lateral operating mechanism

General Description
The operating mechanism of VIB/R-24 series vacuum circuit breaker uses spring as it's energy storage components.
It can be operated by two ways: manual or electric operation.

The characteristics is accordance with GB 1984-89 AC High Voltage Circuit Breakers,
JB3855-96 General technical conditions of 3.6~40.5kV indoor AC HV vacuum circuit breaker,
relevant regulations of IEC62271-100 standard and the technical requirements of this product.

Applying ambient conditions

1.Ambient temperature:max +40ºC, min temperature -10ºC

2.Relative humidity:daily average relative humidity≤95%, monthly average relative humidity≤90%

3.Saturated vapour pressure:daily average value≤2.2kPa, monthly average value≤1.8kPa

4.Earthquake intensity:not exceed 8 degrees

5.The height above sea leval:≤1000m

6.Environmental conditions: It should be installed in the place without fire, explosion, serious filth, chemical erosion and violent vibration.
 

Main technical specification

No.	Name		Unit	Data
1	rated voltage		kV	24
2	rated frequency		Hz	50
3	rated insulation level	1 min power frequency withstand voltage	kV	65
		rated lighting impluse withstand voltage		125
4	rated current		A	630	1250	1600
5	rated short circuit breaking current		kA	25	25/31.5	25/31.5
6	rated peak withstand current		kA	63	63/80	63/80
7	rated short-time withstand current duration		s	4
8	clearance between open contacts		mm	12±1
9	Overtravel		mm	3.5±0.5
10	contact bouncing duration at closing opening		ms	≤2
11	out of simultaneity of CO operating of three poles		ms	≤2
12	opening time		ms	20~50
13	closing time		ms	30~70
14	average opening speed		m/s	1.1~1.6
15	average closing speed		m/s	0.5~1.0
16	main circuit resistance of each pole		cycle	50	45

Overall outline drawing 




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