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Sales service hotline: 0532-58517159

126kV intelligent combination appliance

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Product Name: 126kV Intelligent Combination Appliance

product description

ZF10B-126 (L) gas-insulated metal-enclosed switchgear (miniaturized common box GIS), with a rated current of 2000 ~ 3150A and a rated breaking current of 40kA, is optimized and designed based on digesting and absorbing advanced GIS / GCB technology at home and abroad After the development of high-tech products, intelligent group components, intelligent monitoring devices and IED devices can be used to realize digital measurement, control network, program operation and integration of communication protocols.

Performance characteristics

Modular design to meet different needs of users

Small size and light weight, improve technical performance index

Good insulation performance and strong breaking capacity

Short on-site installation cycle, maintenance-free operation

Main electrical parameters of 126kV combined electrical appliance (GIS):



Rated voltage

126 kV

Rated insulation level

1min power frequency withstand voltage (fracture / ground)

(230 + 73) kV / 230kV

Lightning impulse withstand voltage (fracture / ground)

(550 + 103) kV / 550 kV

Rated frequency

50 Hz

Rated current

1600, 2000, 2500, 3150 A

Rated short-circuit breaking current

50 kA

Rated peak withstand current

100 kA

Short-time withstand current (RMS)

40 kA / 4s

SF6 gas leakage rate

﹤ 0.3% / year

SF6 gas humidity

With electrolytic decomposition products (transfer acceptance value / long-term operation allowable value)

≤150 / 300uL / L

No electrolytic decomposition products (transfer acceptance value / long-term operation allowable value)

≤250 / 500uL / L

Partial Discharge

Per interval / per single insulation

≤5 / 3Pc

Structural layout


Three-phase common box / three-phase sub-box

Main bus

Three-phase common box

Interval size