Eaton Model W-VACX Vacuum circuit breaker Retrofit is adopted modularized operating mechanism, suitable for all kinds of industrial, mining and grid equipment, handcart unit and KYN28A-12 type switchgear supporting the use of the unit, can also be used as a fixed unit and with the corresponding mechanical interlocking, with the use of XGN2 and other VTZ series mechanism can also be used for the transformation of old switches of many international brands;

We can provide ABB and SIEMENS Vacuum circuit breakers retrofit .

Eaton Model W-VACX vacuum circuit breaker retrofit

Product Specifications

Specification Sheet

No.	Name	Unit	Data
1	Rated Voltage	kV	12
2	Rated Frequency	Hz	50
3	Rated current	A	1250
4	Rated power-frequency withstand voltage	kV	48(Across the contact gaps ) /42(To Ground )
5	Rated lighting impulse withstand voltage	kV	75
6	Rated short-circuit breaking current	kA	50
7	Rated-short-circuit making current (peak)	kA	125
8	Rated withstand current (peak)	kA	125
9	Rated duration of short circuit	s	4
10	Operating cycles at rated short-circuit breaking current	Times	E2
11	Mechanical endurance	Times	10000
12	Standard Operating sequence	-	O-180s-CO-180s-CO
13	All0wable wearing thickness of contacts	mm	≤3

Mechanical Characteristics

No.	Name	Unit	Data
1	Clearance between open contacts	mm	9±1
2	Over-travel	mm	3.5±0.5
3	Average closing speed	m/s	0.7±0.2
4	Average opening speed(average speed at 6mm of initial opening)	m/s	1.1±0.2
5	Rated added external contact final force	N	6000±500N(50kA)
6	Make time	ms	30～70
7	Breaking time	ms	20～50
8	Contact bouncing duration at closing operation	ms	≤2
9	Closing/opening no-simultaneity of 3-phase contacts	ms	≤2

outstanding Advantages

Eaton Model W-VACX Vacuum circuit breaker Retrofit has outstanding dvantages:

Circuit Breaker Performance

E2-C2-M2
Easy Maintenance

Simple and convenient maintenance: the use of modular mechanism, the replacement of the closing and closing coils do not need to dismantle the rest of the components, the user can be easily replaced, and no need to test and adjust after the replacement, so that the later operation and maintenance is more convenient.
High Conductivity

Reasonable design of conductive circuit to meet 1.1 times the rated current temperature rise level;
Perfect Replacement

This transformation program can be a perfect replacement for Eaton W-VACX old products, easy to maintain, replace, and solve the urgent needs of electricity customers.

Product Applications

Eaton Model W-VACX Vacuum circuit breaker Retrofit has many applications:

product application

Power plants

Industrial fields

Power grid systems

Power infrastructures

Product Outline Drawing

Eaton Model W-VACX Vacuum circuit breaker Retrofit supplier

Secondary Wiring Diagram

Eaton Model W-VACX Vacuum circuit breaker Retrofit price

company profile

Shaanxi West Power Tongzhong Electrical Co., Ltd. is a leading manufacturer with over 20 years of experience, specializing in high quality 7 to 40.5kV vacuum circuit breakers, switchgears, and a wide range of electrical products. Our advanced manufacturing process ensures reliable, durable solutions, especially our VTZ series vacuum circuit breakers, which are maintenance-free for up to 20 years. With a team of expert technicians, we excel in R&D, manufacturing, and after-sales service for both high and low voltage equipment, delivering excellence at every stage.

Success Stories

This circuit breaker is a modified version of the Siemens 3AE series, custom-made for the customer.

After-sales and Service

We are committed to providing exceptional after-sales support to our global customers. Our services include worldwide technical support and warranty coverage, such as online remote technical support, video training, and on-site installation guidance. During the warranty period, we respond quickly to equipment defaults, and provide repair or replacement services, with the option to extend warranties as needed. To ensure effective communication, we also offer multilingual support and provide a comprehensive feedback mechanism that allows us to track customer satisfaction and continuously improve our service quality.

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