40.5kV Medium-voltage Metal-clad Switchgear, KYN61

40.5kV medium-voltage metal-clad switchgear is used in three phase AC 50Hz power systems to receive and distribute electric power for power plant, electrical substations, power distribution rooms of industrial and mining enterprises, playing important role in power protection, monitoring and control.

This medium-voltage switchgear is configured with excellent performance ZN85 or VD4B vacuum circuit breakers.

Standard IEC 62271-1: High-voltage switchgear and controlgear - Part 1: Common specifications IEC 62271-100: High-voltage switchgear and controlgear – Part 100: Alternating-current circuit-breakers IEC 62271-102: High-voltage switchgear and controlgear - Part 102: Alternating current disconnectors and earthing switches IEC 62271-200: High-voltage switchgear and controlgear - Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1kV and up to and including 52kV Technical Parameters

Rated voltage		kV	40 5
Rated current		A	630,1250,1600,2000
Rated short-circuit current		kA	25,31.5
Rated short-time withstand current		kA	63,80
Dynamic stable current (peak)		kA	63,80
4s short-time thermal current (effective value)		kA	25,31.5
Rated insulation voltage	Rated impulse withstand voltage	kV	185
	Power frequency withstand voltage(1min.)		95
Dimension (W*D*H)		mm	1400 X 2800 X 2600
Degree of protection	External／Internal	m	I P3X/IP2X