Xiamen Huadian VEP-40.5 floor-standing circuit breaker Retrofit is adopted modularized operating mechanism, suitable for all kinds of industrial, mining and grid equipment, handcart unit and KYN61-40.5 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 XGN and other VTZ series mechanism can also be used for the transformation of old switches of many international brands.

Product Specifications

Specification Sheet

No.	Name	Unit	Data
1	Rated Voltage	kV	33/40.5
2	Rated Frequency	Hz	50
3	Rated current	A	630/1250/2000/2500/3150
4	Rated power-frequency withstand voltage	kV	95
5	Rated lighting impulse withstand voltage	kV	185
6	Rated short-circuit breaking current	kA	25/31.5/40
7	Rated-short-circuit making current (peak)	kA	63/80/100
8	Rated withstand current (peak)	kA	63/80/100
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-0.3s-CO-180s-CO
13	All0wable wearing thickness of contacts	mm	≤3

Mechanical Characteristics

No.	Name	Unit	Data
1	Clearance between open contacts	mm	19±2
2	Over-travel	mm	4±1
3	Average closing speed	m/s	0.8±0.2
4	Average opening speed(average speed at 6mm of initial opening)	m/s	1.7±0.3
5	Rated added external contact final force	N	3100±200N(25kA) 3400±300N(31.5kA) 4500±250N(40kA)
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

Product Advantages

Xiamen Huadian VEP-40.5 floor-standing circuit breaker Retrofit has many advantages:

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 Xiamen VEP-40.5 old products, easy to maintain, replace, and solve the urgent needs of electricity customers.

Product Applications

Xiamen Huadian VEP-40.5 floor-standing circuit breaker Retrofit has many applications:

Power plants

Industrial fields

Power grid systems

Power infrastructures

Product Outline Drawing

Xiamen Huadian VEP-405 floor-standing circuit breaker Retrofit price

Secondary Wiring Diagram

Xiamen Huadian VEP-405 floor-standing circuit breaker Retrofit facory

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Products

Xiamen Huadian VEP-40.5 Floor-standing Circuit Breaker Retrofit

Product Specifications

Product Advantages

Product Applications

Product Outline Drawing

Secondary Wiring Diagram