0086-577-62786608  
China Zhiyue

Outdoor High Voltage Vacuum Circuit Breaker

ZW7-40.5 outdoor HV vacuum circuit breaker
  • ZW7-40.5 outdoor HV vacuum circuit breaker

ZW7-40.5 outdoor HV vacuum circuit breaker

? Installation way: foundation installation;
? Operating mechanism: spring operating mechanism and electromagnetic operating mechanism;
? Pole material: rubber silicone, ceramic;
? Application: outdoor 33kV substation, power plant.
? Current transformer: internal installation, external installation.

Detailed introduction

ZW7-40.5 outdoor HV vacuum circuit breaker

Summary
ZW7-40.5 outdoor HV vacuum circuit breaker is a 3-phase AC 50Hz 40.5kV outdoor switch equipment.
? Installation way: foundation installation;
? Operating mechanism: spring operating mechanism and electromagnetic operating mechanism;
? Pole material: rubber silicone, ceramic;
? Application: outdoor 33kV substation, power plant.
? Current transformer: internal installation, external installation.

※ Product Standards
? IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
? GB1984 High Voltage AC Circuit-breakers
? GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards
? JB/T 3855 High Voltage AC Vacuum Circuit-breakers
? DL/T402 Specification of High-voltage AC Circuit-breakers
 
※ Environmental Conditions
? Ambient temperature: -40℃~+40℃;
? Altitude: ≤1000m;
? Maximum wind speed is 10km/h, minimum wind speed for the rated level (132/230kv) is 3.2km/h;
? Earthquake intensity: ≤8 level;
? Minimum nominal creepage distance: 31mm/kV;
? Air pollution degree: Class IV.
 
Technical Specifications

No. Item Units Parameters
1 Rated voltage kV 40.5
2 Rated
insulation
level
1min power frequency
withstand voltage
dry 95
wet 80
Lightning impulse withstand voltage (peak) 185
3 Rated current A 1250、1600、2000
4 Rated short-circuit breaking current kA 20、25、31.5
5 Rated operating sequence   O-0.3s -CO- 180s-CO
6 Rated short-circuit breaking current breaki ng times Times 12
7 Rated short- circu it closed current (peak) kA 50、63、80
8 Rated peak withstand curren t
9 Rated short-time withstand current kA 20、25、31.5
10 Rated short-circuit duration S 4
11 Average opening speed m/s 1.5 ± 0.2
12 Average closing speed 0.7 ±0.2
13 Contact closing bounce duration s ≤2
14 Three phase closing and opening synchronism ≤2
15 Opening time ≤150
16 Closing time ≤60
17 Mechanism life Times 10000
18 Rated operating voltage and aux ilia ry loop rated voltage V DC220 、1 10 、24
AC220 、110 、24
19 Phase loop DC resistance (without current transformer) 100
20 Permitted accumulate wear-thickness of dynamic and static contact mm 3

Model Implication

Overall Dimensions

Message Feedback

If you have any enquiry about quotation or cooperation,please free to email us at niki@zhiyue.com or use the following enquiry form,Our sales representative will contact you within 24 hous.thank you for your interest in our products.

Get to know Us Better Now!

Share our Product over the Social Networks

Search!

Search across our website