ET7 is a new generation vacuum ring network cabinet product from Westinghouse Electric. This product has always been known for its high level of operational safety and is suitable for power systems up to 24KV. The design of ET7 is simple and compact, and can provide products with a 2-unit, 1-6-unit operation style. The electrical and mechanical parts of the ring network cabinet are all enclosed in a fully enclosed enclosure, effectively shielding against the impact of the environment.

Maintenance free

Safe and reliable

Simple and compact

Green and Clean for Power Grid Automation

Overall dimensions

Two unit size 740 * 600 "1305 (mm,

Three unit size 1110 "6o0" 1305 (mm)

Four unit size 1460 * 600 "1305 (mm)

Five unit size 1830 * 600 * 1305 (mm)

Six unit size 2160 * 600 * 1305 (mm)

technical parameter

Circuit breaker:

Load switch:

Rated voltage: 12KV

Rated current: 200A

Rated current: 630A

Impulse withstand voltage: 75KV

Rated breaking current: 2oKA

Rated load current: 630A

When the rated load current power factor is 0.7: 630A

Power frequency withstand voltage: 42KV

Rated short-circuit making current: 5OKA

Rated short-circuit making current: 50KA

Internal arc withstand current: 20KN1S · Rated short time withstand current: 20KA/2S

Rated short time withstand current: 20KA/2s