VS1-24 Indoor High-Voltage Load Breaker Switch

The VS1-24 Indoor High-Voltage Load Breaker Switch is designed for 24kV power systems with a rated current of 630A–1250A and breaking capacity up to 31.5kA. This VS1-24 Indoor High-Voltage Load Breaker Switch features advanced APG insulation and a vacuum interrupter for reliable performance in harsh conditions. With a durable spring-operated mechanism and compliance with GB1984 standards, it ensures long electrical and mechanical life. Each VS1-24 Indoor High-Voltage Load Breaker Switch is pre-tested and includes recorded characteristic curves for verified quality and easy integration.

product details

Type Designation

1	Vacuum Circuit Breaker (VCB)
2	Design Number
3	Rated Voltage (kV)
4	Rated Current (A)
5	Rated Short-circuit Breaking Current (kA)

Technical Parameters

No.	Item	Unit	Value
1	Rated Voltage	KV	24
2	Rated Frequency	Hz	50
3	Rated Current	A	630,1250
4	Rated Short-Circuit Breaking Current	kA	25,31.5
5	Rated Short-Circuit Making Current	kA	63.80
6	Rated Peak Withstand Current	kA	63.80
7	Rated Short-Time Withstand Current	kA/s	25/4,31.5/4
8	Rated Power-Frequency Withstand Voltage (1min)	KV	65(Phase-to-Phase, Phase-to-Earth)/79(Across Isolating Distance)
9	Rated Lightning Impulse Withstand Voltage	KV	125(Phase-to-Phase, Phase-to-Earth)/145(Across Isolating Distance)
10	Rated Operating Sequence		O-0.3s-CO-180s-CO
11	Main Circuit Resistance	μΩ	≤60(630A), ≤50(above 1250A)
12	Resistance of each main circuit (including contact arm)Contact gap	mm	13±1
13	Permissible cumulative wear thickness of contacts	mm	3
14	Average Closing Speed	m/s	0.8±0.2
15	Average Opening Speed	m/s	1.4±0.3
16	Colsing time	ms	35~70
17	Opening time	ms	20~50
18	Contact Bounce Time During Closing	ms	≤2
19	Three-Phase Opening/Closing Non-Simultaneity	ms	≤1
20	Center distance between phases	mm	275

product Display

VS1-24 Indoor High-Voltage Load Breaker Switch-2

VS1-24 Indoor High-Voltage Load Breaker Switch-3

Structure and Features

1. Robust Insulation: Uses APG technology to encase key parts, protecting against harsh environments and moisture.
2. High Performance: Features a vacuum interrupter for strong, reliable current interruption with minimal maintenance.
3. Durable Mechanism: Employs a long-life spring-operated mechanism that is simple and corrosion-resistant.
4. Certified Standard: Meets strict national standards (GB1984) for electrical life, mechanical life, and safety.
5. Interchangeable Design: Ensures consistent dimensions and fit for easy replacement and broad compatibility.
6. Pre-Tested Reliability: Each unit undergoes extensive mechanical testing before shipment for stable performance.
7. Quality Verified: Provides recorded mechanical characteristic curves for each unit to guarantee quality.

Technical Data

Energy Storage Motor Technical Data
Name	Main Parameters
Rated Operating Voltage (V)	AC,DC220V	AC,DC110V
Rated Output Power (W)	65/80(Rated Current above 2500A)
Normal Operating Voltage Range	85%~110% Rated Voltage
Energy Storage Time at Rated Voltage (S)	≤15

Opening/Closing Coil Technical Data
Name	Main Parameters
Rated Operating Voltage (V)	AC,DC220V	AC,DC110V
Rated Operating Current (A)	1.0	2.0
Coil DC Resistance (Ω)	220	55
Normal Operating Voltage Range for Opening	Reliable opening at 65% to 120% of rated voltage; no opening allowed below 30% of rated voltage.
Normal Operating Voltage Range for Closing	Reliable closing at 80% to 110% of rated voltage.