Product Details

dakota20 Siemens 3AH1 3AH2 3AE Vacuum Circuit Breaker 3AH2-EBdakota20 Siemens 3AH1 3AH2 3AE Vacuum Circuit Breaker 3AH2-EBdakota20 Siemens 3AH1 3AH2 3AE Vacuum Circuit Breaker 3AH2-EBdakota20 Siemens 3AH1 3AH2 3AE Vacuum Circuit Breaker 3AH2-EB

3AH2-EB Series Fixed Vacuum Circuit Breaker

Designed by Siemens AG, Germany E2 class electrical endurance – 274+3 short-circuit current interruptions M2 class mechanical endurance – 60,000 mechanical operations, 40,000 close-open cycles maintenance-free C2 class capacitive current switching capability – switching 100% capacitive current Ultra-low loop resistance – fixed pole contact resistance <25uΩ High interchangeability, compatible with similar domestic products Original Siemens vacuum interrupter ensures reliability.

Technical Parameters

Rated Voltage (kV)   12   Rated Current (A)   800/1250/1600/2000/2500/3150/4000   Rated Frequency (Hz)   50    Rated Power Frequency Withstand Voltage (to earth/break) (1min) (kV)   42/48   Rated Lightning Impulse Withstand Voltage (to earth/break) (peak) (kV)   75/85   Rated Short-Circuit Breaking Current (kA)   25/31.5/40   Rated Short-Time Withstand Current (4s) (kA)   25/31.5/40   Rated Short-Circuit Making Current (peak) (kA)   63/80/100   Rated Peak Withstand Current (kA)   63/80/100   Rated Short-Circuit Breaking Current Operations (times)   274   Rated Operating Sequence   C-0.3s-CO-180s-CO   Mechanical Life (times)   60000   Secondary Circuit Power Frequency Withstand Voltage (1min) (V)   2000   Note: 1) Maintenance-free within 40,000 operations    2) 4000A requires forced air cooling