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Spring Operating Mechanism
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Spring Operating Mechanism

Spring Operating Mechanism

1. VTZ series spring operating mechanism is developed by XDTZ, integrating advanced domestic technology and experience.
2. It has many scope of application.
3. Product Advantages: wide application range, easy maintenance, stable performance, and custom design support.
4. Applicable for VCB within 7.2kV to 40.5kV.
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Product Introduction

Spring operating mechanism of the VTZ Series is a new generation operating mechanism for vacuum circuit breakers developed by XDTZ. It was designed after extensive and in-depth market research, integrating advanced domestic technology and experience.

 

 
 
Product Specifications

 

Specification Sheet

No.

Item

Unit

Data

1

Closing Output Energy

J(Joule)

90/181/243/362

2

Output Shaft Arm Angle (excluding output Shaft Arm)

Degrees

41±3

3

Energy Storage Motor

Rated Voltage Un

V

24/48/110/220

Operating Voltage Range

V

85%~110% Un

4

Closing Coil

Rated Voltage Un

V

24/48/110/220

Operating Voltage Range

V

85%~110% Un

5

Opening Coil

Rated Voltage Un

V

24/48/110/220

Operating Voltage Range

V

65%~120% Un

6

Interruption Time for One Reclosing without Current

s

0.3

7

Energy Storage Time of Rated Voltage Motor

s

≤15

8

Mechanical Endurance

Times

≥10000
 
Scope of Application
 

Spring operating mechanism of the VTZ Series has many scope of application:

 

 
Indoor integrated vacuum circuit breaker
mechanism modules.
 
Indoor split-type vacuum circuit breaker
operating mechanisms.
 
Outdoor split-type vacuum circuit breaker
operating mechanisms.
 
Operating mechanisms for circuit breaker units
in gas insulated switchgear (GIS).
 
Operating mechanisms
for combined electrical appliances.
 
 
 
Product Advantages

Spring operating mechanism of the VTZ Series has many advantages:

01.

Wide Application Range

The closing output energy range is wide, and we can modify the closing energy or output shaft arm to meet user requirements.

02.

Easy Maintenance

The modular mechanism design allows for easy replacement of the closing and opening coils without the need for disassembling other components. This eliminates the need for testing or adjustment after replacement, ensuring that users can replace them independently, making subsequent maintenance more convenient.

03.

Stable Performance

The mechanism parts are made of high quality steel, and some parts are made by precision casting molds. Specialized tools and professional measuring equipment ensure product consistency and reliability.

04.

Custom Design Support

We offer customization services based on user habits, retrofitting of old switches, and cooperation in new product development.

Product Application
 

Applicable for indoor and outdoor vacuum circuit breakers within 7.2kV to 40.5kV.

 

 
Product Structure Overview
 

 

Spring Operating Mechanism manufacturer

1.

Counter

2.

Energy Storage Indicator

3.

Energy Storage Spring

4.

Closing/Opening Indicator

5.

Latching Electromagnet

6.

Closing Coil

7.

Opening Coil

8.

Overcurrent Release

9.

Energy Storage Motor

10.

Manual Energy Storage Handle

 

 

 

 

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