KYN61-40.5 Armouring removable AC metal enclosed switchgear

Overview

KYN61-40.5(Z) Indoor AC high-voltage metal-armored withdrawable switchgear (hereinafter referred to as “switchgear”) is suitable for three-phase AC 50Hz power systems. It is used in power plants, substations and distribution rooms of industrial and mining enterprises to receive and distribute electrical energy, and to control, protect and monitor circuits.

This product complies with the following standards: GB3906 “AC Metal-enclosed Switchgear for 3~35kV”, GB/T11022 “Common Technical Requirements for High Voltage Switchgear and Controlgear”, and IEC60298 “AC Metal-enclosed Switchgear and Controlgear with Rated Voltages Above 1kV and Below 50kV”.

Usage environment

1. Ambient air temperature: Maximum temperature +40℃, minimum temperature -10℃;
2. Altitude: ≤1000m;
3. Surrounding relative humidity: Daily average≤95%, monthly average≤90%;
4. Ambient air: Not suitable for places with corrosive, severe pollution, flammable gases or intense vibration.
5. In the event of an earthquake, its intensity must not exceed magnitude 8.

Technical Parameter

Item		Unit	Argument
Rated voltage		kV	40.5
Rated insulation level	Lightning impulse withstand voltage (full wave)	kV	185
	Power frequency withstand voltage (1 minute)		95
Rated frequency		Hz	50
Rated current		A	630;1250;1600;2000
Rated short-circuit breaking current		kV	20,25,31.5
Rated short-circuit closing current (peak value)		kA	50,63,80
Rated peak withstand current		kA	50,63,80
Rated short-time withstand current (4s)		kA	20,25,31.5
Case protection class			IP4X
Overall dimensions (W×D×H)	Vacuum breaker cabinet	mm	1400×2800×2600
	SF6 short-circuit cabinet