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KYN61-40.5 Armored Removable AC Metal Enclosed Switchgear

KYN61-40.5 Armored Removable AC Metal Enclosed Switchgear

PRODUCT DESCRIPTION

The main feature of KYN61-40.5 type armored removable AC metal enclosed switchgear (hereinafter referred to as "switchgear") is that the cabinet is equipped with ZN85-40.5 and VD4, VB2 full insulated vacuum circuit breaker and spring operating mechanism. The cabinet body is made of aluminum-zinc plate, which improves the fitting accuracy of the handcart and the cabinet body. It is very convenient to slide in and out the handcart, which is interchangeable. The appearance is beautiful and the scheme is complete, which is safe and reliable.

This product is used in 35kV three-phase AC 50Hz power system, for switching room of power plants, substations and industrial and mining enterprises to accept and distribute power, with control, protection and monitoring functions.

This product complies with: GB3906"3-35kV AC metal enclosed switchgear", GB/T11022"common technical requirements of high-voltage switchgear and control equipment standard", DL/T404 "ordering technical conditions of AC high-voltage switch cabinet", IEC298"AC metal-enclosed switchgear and control equipment with rated voltage 1kV above 52kV and below" standards.

Model and Meaning

Technical Specification

Technical parameters of KYN61-40.5 type switchgear

Name Unit Data
Rated voltage kV 40.5
Rated current Rated current of main bus A 630、1250、1600、2000
Rated current with the circuit breaker A 630、1250、1600、2000
1min power frequency withstand voltage, between poles, between the poles / between the fracture kV 95/110
Rated insulation
level
Lightning impulse withstand voltage (peak),between poles,between poles / break kV 185/215
Power frequency withstand voltage of auxiliarycircuit and the control circuit V/1min 2000
Rate frequency Hz 50
Rated short circuit breaking current kA 20、25、31.5
Rated short-time withstand current / rated short circuit duration kA/4s 20、25、31.5
Rated peak withstand current kA 50、63.80
Rated short circuit closing current kA 50、63.80
Rated voltage of control circuit V DC:110200,AC:110 220
Protection class Switchgear housing   IP4X
Compartment (when the door is open)   IP2×

Technical parameters of ZN85-40.5 type circuit breaker with spring operating mechanism (integrated)

Name Unit Data
RATED voltage kV 40.5
Rated current A 630、1250、1600、2000
Rated insulation level 1min power frequency withstandvoltage, between poles, between thepoles / between the fracture kV 95/110
Lightning impulse withstand voltage (peak).between poles, between poles / break kV 185/215
Power frequency withstand voltage of auxiliarycircuit and the control circuit V/1min 2000
Rate frequency Hz  
Rated short circuit breaking current kA 20、25、31.5
Rated short circuit closing current   50、63、80
Rated peak withstand current kA 50、63、80
Rated short-time withstand current / rated short circuit duration kA/4s 20、25、31.5
Mechanical life Time 10000
Closing time ms 50-100
Opening time ms 35-60
Rated operating sequence   On-0.3s-On-off-180s On-off

Main Circuit Plan Of The Switch Cabinet

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