Product description

SMGV1-12F-type solid-enclosed (VBM7) vacuum circuit breaker household indoor high voltage switching equipment for rated voltage 12 kV, frequency 50Hz three-phase power system, as the protection and control of electrical appliances, vacuum circuit breaker special Especially for applications requiring frequent operation at rated current, or where multiple short-circuit currents are switched off.

SMGV1-12F solid-enclosed (VBM7) vacuum circuit breakers with fixed installation, mainly for fixed switchgear. The breaker can be used alone, but also for the ring network power supply, box-type variable or non-standard power supply system.

Model and meaning

Performance advantages

The product main insulation using solid insulation, vacuum interrupter overall casting in the epoxy resin insulation tube, the use of this structure greatly improves the insulation properties of products, to meet the humidity and high altitude and other environmental conditions. 

The main technical parameters

Note: 20kA, 25kA, 31.5kA t = 0.3stl = 180s: 40kAt = 180stl = 180s

Outline and mounting dimensions (mm)