630A Rated Current Vacuum Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Insert
• Structure: Vcb
• Model NO.: VBI-24
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB, Do as Your Request
• Certification: ISO9001-2000, CE
• Rated Voltage: 24kv
• Rated Frequency: 50/60Hz
• Rated Current: 630A/1250A/1600A/2000A
• Phase Distance: 210mm/275mm
• Transport Package: Wooden Case
• Specification: steel, expoxy resin
• Trademark: LIYOND
• Origin: China
• Production Capacity: 30000/Month

Product Description

Yueqing Liyond Electric Co., Ltd. presents the VBI-24 Indoor High Voltage Fixed Type 24KV Vacuum Circuit Breaker VCB with a 630A Rated Current. This handcrafted VBI-24 VCB is ideal for indoor use, featuring a front-mounted design for convenience.

Product Description: VBI-24 Series Indoor High Voltage Vacuum Circuit Breaker

Introducing the VBI-24 series of indoor high voltage vacuum circuit breakers with embedded poles by Yueqing Liyond Electric Co., Ltd. These three-phase A.C. 50 Hz indoor power distribution equipment have a rated voltage of 24 KV. Ideal for protecting and controlling electrical equipment in industries, mining enterprises, power plants, and substations.

The main conductive circuit of this vacuum circuit breaker with a spring mechanism features embedded poles, enhancing insulation, mechanical, and breaking performance. It offers free-maintenance and extended mechanical and electrical life, meeting national standards and IEC regulations with a grade of M-E2-C2.

Compatible with switchgear like KYN28-24(GZS1) and suitable for fixed installation, the VBI-24 series ensures reliable operation in various applications.

Main Technical Parameters:

• Rated Voltage: 24 KV


• Frequency: 50 Hz


• Conformance: National Standards, IEC Standard


• Capability Grade: M-E2-C2

Sequence number	name	unit	data
1	Rated voltage	KV	24
2	Rated current	A	630	1250	1600		2000	2500		3150
3	Rated frequency	Hz	50
4	Rated short circuit breaking current	KA	20			25			31.5
5	Rated short circuit making current	KA	50			63			80
6	Rated short time withstand current	KA	20			25			31.5
7	Rated peak withstand current	KA	50			63			80
8	Rated power frequency withstand voltage 1min	KV	65
9	Rated lightning impulse withstand voltage	KV	125
10	Rated short-circuit duration	s	4
11	Rated operating sequence		O-0.3S-CO-180s-CO
12	maximum DC component		50%

FAQ

Welcome to Yueqing Liyond Electric Co., Ltd.

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