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Keywords: high and low voltage complete set-box type substation-ring network cabinet
High voltage switchgear KYN61-40.5
Product Detail
Applicable scope and characteristics of products
KYN61-40.5 metal armored central switchgear is designed according to the armored metal enclosed switchgear in the GB3906-2006. It is suitable for three-phase AC power system with rated voltage of 40.5kV and rated frequency of 50Hz. It is used to accept and distribute electric energy and control, protect and detect the circuit.
This product is widely used in power plants, substations and distribution room of industrial and mining enterprises to receive and distribute electric energy, with control, protection and monitoring functions.
Main technical parameters of products
Serial Number | Project | Unit | Parameters | ||||
1 | Rated voltage | kV | 40.5 | ||||
2 | Rated frequency | Hz | 50 | ||||
3 | Rated insulation level | 1min power frequency withstand voltage (effective value) | kV | Interphase relative ground | 95 | Isolation fracture | |
Lightning impulse withstand voltage (peak) | 185 | ||||||
Power frequency withstand voltage of auxiliary control circuit | |||||||
4 | Rated current | A | 1250，1600，2000 | ||||
5 | Rated short-circuit breaking current | kA | 20 | 25 | 31.5 | ||
6 | Rated short-circuit closing current (peak) | 50 | 63 | 80 | |||
7 | Rated short-time withstand current (4S) | 20 | 25 | 31.5 | |||
8 | Rated peak withstand current | 50 | 63 | 80 | |||
9 | Rated peak withstand current | V | DC or AC 110/220 | ||||
10 | Protection level | IP3X | |||||
11 | Overall dimensions (W x D x H) | mm | 1400*2800*2600 | ||||
12 | Quality | kg | 2000-2200 | ||||
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