18 Years Factory Polymer Metal Oxide Surge Arrester - TKYN61-40.5□ Armored removable AC metal-enclosed switching device – TENPRO

Product overview

The main features of the TKYN61-40.5 口armored removable AC metal-enclosed switching device (hereinafter referred to as “switchgear”) are that TZN85-40.5 and VD4, VB2 type fully insulated vacuum circuit breaker and spring operating mechanism are used in the cabinet, and the cabinet body is assembled with aluminum zinc plate, improving the coordination accuracy of hand truck and cabinet body, hand car push pull out is very light, interchangeability is strong. The appearance is beautiful, the plan is complete, and the use is safe and reliable.

This product is used in 35kV three-phase AC 50Hz power system, as a power plant, substation and industrial and mining power distribution room for receiving and distribution of electricity, with control, protection and monitoring functions.

This product accords with: GB3906 3-35kV AC Metal-enclosed Switchgear GB / T11022 High Voltage Switchgear and Control Equipment Standard Common Technical Requirements DL / T404 AC High Voltage Switchgear Ordering Technical Requirements IEC298 Rated Voltage Above 1KV 52KV and Below AC Metal-enclosed Switchgear and Control Equipment Standard.

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Main technical parameters

Name

 

Unit

Date

Rated voltage

 

kV

40.5

Rated current

Rated current of main busbar

A

630、1250、1600、2000

Rated current of circuit breakers

A

630、1250、1600、2000

Rated insulation level

1min power frequency tolerance voltage, pole-to-pole, inter-polar / interbreak

kV

95/110

Lightning impulse withstand voltage (peak), between poles, between poles / between breaks

kV

185/215

Power frequency withstand voltage of auxiliary circuit and control circuit

V/1min

2000

Rated 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

Control circuit rated voltage

V

DC:10 220,AC:110 220

levels of protection

Switchgear housing

 

IP4X

Cubicle (when the door opens)

 

IP2X


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