ZN85-40.5 (3AV3)
ZN85-40.5 (3AV3)Series
Indoor Vacuum Circuit Breaker
40.5kV,...2500A,...31.5kAZ
ZN85-40.5(3AV3)
GB1984 JB3855 IEC62271-100 2001
The vacuum circuit-brerkers of type ZN85-40.5(3AV3) are intended for indoor installation in air-insulated switchgear.
(
The vacuum circuit-breaker complies with the following specifications: GB1984,JB3855, IEC62771-100:2001. The
vacuum circuit-breakers have particular advantages for use in systems where the switching frequency in the operating
current range is high, and/or where a certain number of short-circuit breaking operations, and the VCB are prepared
for auto-reclosing operations, and have exceptionally high operating reliability and long life. The vacuum circuit-
breakers of type ZN85 can be supplied both as individual units for stationary mounting and mounted on trucks.1
Type and Designation
2
Operating Conditions
3
Technical Data
4
Outline Dimensions
5
Stucture and Function
6
Transport, Storage and Commissioning
7
Z N 85 - 4 0 . 5
Sevicing and Maintenance
(3 AV 3 )
8
Configuration1
Type and Designation
3AV3(ZN85 - 40.5) / -
(kA)
Vacuum circuit-breaker Rated short-circuit breaking current
Indoor (A) Rated current
2 No. of design (kV) Rated voltage
Operating Conditions
Maximum site altitue 1000m 1000m max.
Ambient temperature 40 10 max. to+40 min. to-10
95 90
Reltive humidity
dialy average 95 ,monthly average 90
Shock of earthquake 8 8 magnitude max.
-30 Storage and transportation service over -30
In the application of no fire,explosion,heavy dust,chemical corrosion and violent vibration,etc.
Attention:
Avoid the risk of corrosion or other damage in areas
* with high humidity and/or
* with major rapid temperature fluctuations
3
Implement preventive measures to preclude condensation phenomena.
Technical Data
Eelectrical data
Type
Item
unit ZN85-40.5/20 ZN85-40.5/25 ZN85-40.5/31.5
Rated voltage kV 40.5
1250 1250 1250
Rated current A 1600 1600 1600
2000 2000 2000
2500* 2500* 2500*
Reated frequency Hz 50
( ) Rated short-circuit breaking current (rms.) kA 20 25 31.5
( ) Rated short-time withstand current(peak) kA 50 63 80
Rated short-time withstand current kA 20 25 31.5
Rated peak withstand current kA 50 63 80
Rated operations of short-circurrent breaking 20
operations
1min Rated power-frequency withstand voltage(1min) kV 95
Rated lightning impulse withstand voltage kV 185
Rated duration of short-circuit s 4
Rated single capacitor bank breaking current A 630
Rated back-to-back capacitor bank breaking current A 400
Rated operation sequence O-0.3s-CO-180s-CO
* 2500A 2500A with enforced cooling
1M echanical data
Fixed contactors on switchgear
280 1.5mm
15mm
Phase centers 280 1.5mm, moving contact em-
bedded fixed contact more than 15mm.
840
280 280
323
706
Note : Transport brackets and transport profile only fitted for handing.Remove and store prior to commissioning.
53
260 (438)
5751
584
004
019
6541
330 40
434 43
520
853
D
D
Item unit Data

您好！ZN85-40.5(3AV3)是一种专用于户内高压交流电路的真空断路器。其中，“ZN85”是产品型号，代表由Zengning（曾南或 zenon, 一家知名的高压电器制造商）生产的系列断路器；“40.5”指的是该断路器的额定电压为40.5千伏，这是高压电力系统中常见的工作电压等级；“kV”表示千伏特，即电压单位；“(3AV3)”通常指产品的特定配置或者功能特征，可能涉及到的是某种特殊的灭弧原理、保护特性或者是控制方式，具体含义需要参考产品技术手册或详细参数说明。 总之，ZN85-40.5(3AV3)户内高压交流真空断路器是一款针对交流高压电网设计的安全开关设备，主要用于开断和闭合负荷电流以及过载电流，以确保电力系统的可靠运行和人身安全。在选择和使用时，请务必参照详细的规格参数和技术文档。