{{EN_0} □ - 40.5 Type Indoor High Voltage Vacuum Circuit Breaker HandcartDetailed product description：

ZN □ -40.5 ultra long life vacuum circuit breaker is an indoor high-voltage electrical equipment with a rated voltage of 40.5V, three-phase AC 50Hz, suitable for industrial and mining enterprises, substations and other transmission and distribution systems, as a control and protection switch; Especially suitable for industries such as metallurgy and arc steelmaking that require frequent operations, as control and protection equipment.

The ZN □ -40.5 indoor high-voltage vacuum circuit breaker handcart meets the standard of GB1984-89 "AC High Voltage Circuit Breaker". The circuit breaker handcart can be directly inserted into GBC-35 and JYN1-35 cabinets, and can be installed and used separately without the plug.

The specifications of the institution and the main components matched are shown in the table below

name	unit	numerical value
rated voltage	kV	forty point five
Lightning impulse withstand voltage (peak value)	kV	one hundred and eighty-five
1-minute power frequency withstand voltage	kV	ninety-five
rated frequency	Hz	fifty
rated current	A	one thousand and six hundred
Rated short-circuit breaking current	kA	twenty-five
Rated short-time withstand current	kA	twenty-five
Rated peak withstand current	kA	sixty-three
Rated short-circuit duration	s	four
Rated short-circuit breaking time	ms	~90
Rated short-circuit closing current	kA	eighty
Rated operating sequence		Fen-0.3-HeFen-180S~HeFen
Closing time	time	50~80
Opening time	time	40~85
Rated short-circuit breaking current breaking times	ms	twenty
mechanical life	ms	one hundred and twenty thousand
Rated breaking current of capacitor bank	A	six hundred and thirty
Rated power of energy storage motor	W	two hundred and seventy-five
Rated voltage of energy storage motor	V	~220，110
Energy storage time	S	~15
Rated voltage of the on-off electromagnet	V	~220，110
Rated voltage of release device	V	~220，110
Rated current for overcurrent trip	A	five
Rated current of auxiliary switch	A	DC10

[ZN □ -40.5 Indoor High Voltage Vacuum Circuit Breaker Handcart Appearance and Installation Dimensions]

ZN □ -40.5 indoor high-voltage vacuum circuit breaker handcart