Bus tie cabinet L

Bus tie cabinet L

Bus tie cabinet L connects the equipment of two busbars with the load switchgear, and the load switch plays the role of connecting isolated lines. Its characteristics are: 1. save space; 2. easy to install; 3. with isolating fracture to ensure safe and reliable.

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Technical Parameter

Model YCC-L-12/T630-20 YCC-L-24/T630-20
Rated voltage 12kV 24kV
Rated current 630A 630A
Rated frequency 50Hz 50Hz
1min rated short-time power frequency withstand voltage (phase / fracture) 42/48kV 65/79kV
Rated lightning impulse withstand voltage (phase / fracture) 75/85kV 125/145kV
Rated active load breaking current 630A 630A
Closed circuit breaking current of rated distribution line 630A 630A
Rated cable charging breaking current 25A 25A
Rated circuit charge breaking current 1A 1.5A
Rated short circuit closing current 50kA 50kA
Rated earthing switch short circuit closing current 50kA 50kA
Rated earth fault breaking current 31.5A 31.5A
Rated Charging Breaking Current under Rated Earth Fault 43.3A 43.3A
Rated current under fault conditions 1.73A 2.60A
Rated short-circuit withstand current (main circuit / ground circuit) 20kA 20kA
Rated short time withstand current duration 4s 4s
Rated peak withstand current (main circuit / ground loop) 50kA 50kA
Partial discharge test 20pC 20pC
Arc test 20kA/0.5s 20kA/0.5s
Weight 1400:130kg/1600:140kg 1400:130kg/1600:140kg