1 / 5Vacuum Circuit Breaker (Front / Side-Operated)
Maintenance-free vacuum circuit breaker in front- and side-operated versions for 12, 24 and 36 kV — up to 4000 A and 31.5 kA breaking.
At a glance
- Types
- Front-operated, Side-operated
- Rated Current
- 630–4000 A
- Rated Voltage
- 12 / 24 / 36 kV
- Rated Frequency
- 50 Hz
Overview
The Armtek Vacuum Circuit Breaker is a maintenance-free medium-voltage breaker for 12, 24 and 36 kV systems, available in front-operated and side-operated versions. The vacuum interrupting medium provides a long electrical life with M2 mechanical and E2 electrical endurance and C2 capacitive switching class. Rated current reaches 630–4000 A, with short-circuit breaking up to 31.5 kA (25 kA at 36 kV) and rated peak withstand up to 78.8 kA. Available product types include VCB36T-0202 and VCB36T-0203, with dedicated 24 kV and 36 kV catalogs.
Technical Specifications
- Types
- Front-operated, Side-operated
- Rated Current
- 630–4000 A
- Rated Voltage
- 12 / 24 / 36 kV
- Rated Frequency
- 50 Hz
- Capacitive Switching Class
- C2
- Interrupting Medium
- Vacuum
- Rated Peak Withstand Current
- 62.5–78.8 kA
- Electrical Endurance Class
- E2
- Mechanical Endurance Class
- M2
- Power-Frequency Withstand Voltage
- 28 / 50 / 70 kV
- Lightning Impulse Withstand (1.2/50 µs)
- 75 / 125 / 170 kV
- Rated Short-Circuit Withstand Current
- 25–31.5 kA (3 s)
Standards & Compliance
- IEC 62271-100
Specifying this for a project?
Share your requirements and our engineers will help you select, configure and quote the right solution.
Get Quote