TZN23-40.5Cseries Indoor handcart type vacuum circuit breaker

Short Description:

Port: tianjing

Supply Ability: TENPRO

Payment Terms: L/C,D/A,D/P,T/T

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Product Detail

Indoor handcart type vacuum circuit breaker

Outline

TZN23-40.5C indoor handcart type vacuum circuit breaker is indoor high voltage electrical equipment with rated voltage of 40.5 kV, three-phase of AC 50Hz. As control and protection switch, it is suitable for industrial and mining enterprises, substation, and C series indoor handcart type transmission and distribution system; as control and protection equipment, it is especially suitable for metallurgy, electric arc steelmaking and other industries requiring frequency operation.

This product conforms to the GB1984-89 AC High Voltage Circuit Break standard.

Model meaning

Main technical parameters

Serial No.	Parameter name	Unit	Numerical Value
1	rated voltage	kV	40.5
2	rated lightning impulse withstand voltage (peak)	kV	185
3	1min power frequency withstand voltage	kV	95
4	rated frequency	Hz	50
5	rated current	A	1250、1600、2000
6	rated short-circuit breaking current	kA	25、31.5
7	rated short circuit withstand current	kA	25、31.5
8	rated peak withstand current	kA	63、80
9	rated short circuit duration	s	4
10	rated short circuit breaking time	ms	≈90
11	rated short-circuit closing current	kA	80
12	rated operation sequence		Opening 0.3-closing and opening-180s-closing and opening
13	closing time	ms	50~85
14	opening time	ms	40~85
15	rated short circuit breaking current breaking times	times	20
16	mechanical life	times	10000
17	rated capacitor bank breaking current	A	630
18	energy storage motor rated power	W	275
19	rated voltage of energy storage motor	V	AC/DC220.110
20	energy storage time	S	<15
21	switch electromagnet rated voltage	V	AC/DC220.110
22	rated current of overcurrent tripper	A	5
23	auxiliary switch rated current	A	10