South Wales Switchgear – 25 kA Retrofit Vacuum Circuit Breaker for High Type Unit

SPE Energy Ltd at the forefront of retrofit vacuum circuit breaker design and manufacture with their new, South Wales Switchgear retrofit vacuum circuit breaker utilising proven spring mechanism technology.

The retrofit vacuum circuit breaker covers the following:

• D4X Range
• C4X Range
• D4 Range
• C Range

Technical Specification:

• Rated voltage - 12 kV
• Rated short circuit breaking current - 25 kA
• Rated short time current 3 seconds - 25 kA
• Rated peak withstand current - 62.5 kAp
• Rated peak making current - 62.5 kAp
• Rated normal current - 400/630
• Rated basic Impulse Level - 75 kVp
• Rated Power Frequency - 28kV 1 min
• Mechanical endurance class - M2 10,000 operations
• Rated operating sequence - O-0.3s-CO-15s-CO

Applicable Standards:

• IEC62271 - 100
• IEC 62271 - 200