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Embedded Pole MEP61-12

Embedded Pole MEP61-12

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Description

 

MEP61-12 embedded pole uses the insulation material to reliably sealing combine vacuum interrupter and the main loop conductive element, and the insulation support as a whole, which has the advantages of simple assembly, stable weight, high reliability and strong environmental pollution tolerance.

Product features: 

Embedded pole uses the insulation material to reliably sealing combine vacuum interrupter and the main loop conductive element, and the insulation support as a whole, which has the advantages of simple assembly, stable weight, high reliability and strong environmental pollution tolerance.

Application:

Matched with relevant outdoor vacuum circuit breaker or vacuum distribution device, it is especially useful to frequent operation places, such as electric power, machinery, chemical industry, metallurgy, mining and other departments, with frequency 50Hz/60Hz, rated voltage 12kV, 17.5kV, 24kV, 27.5kV, 40.5kV.

Power Frequency Withstand Voltage: 48kv

Lightning Impulse Withstand Voltage: 95kv

Clearance between Open Contacts: 9-11mm

Rated Short-Circuir Duration: 4s

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Parameters

 

Main parameters of Vacuum Interrupter for embedded pole:

Rated voltage kV 12
Rated current A 630/1250
Rated frequency Hz 50
Rated short-time power frequency withstand voltage(1min) kV 42
Rated lightning impulse withstand voltage kV 75
Rated short-circuit breaking current kA 20/25
Rated short-time withstand current kA 20/25
Rated peak withstand current kA 50/63
Rated short-circuit making current kA 50/63
Rated short-circuit duration s 4
The DC component of rated short circuit breaking current % 40
Rated cable charging breaking current A 25
Rated operating sequence O-0.3s-CO-180s-CO
Breaking operations of rated short circuit breaking current times 30
Mechanical life times 10000
Contact automatic closing ability N 110±30
Force required to hold contact open at full stroke N 180±30
Circuit resistance at lowest rated contact force μΩ ≤25
Contact limit erosion mm 3
Over travel mm 3±0.5
Partial discharge Pc ≤3
Weight for moving parts kg 1.8/1.3
Storage time years 20

 

Specifications required for matched switchgear

Clearance between open contacts mm 9±1
Average opening speed m/s 1.1±0.2
Average closing speed m/s 0.6±0.2
Rated contact pressure N 1700±250
Contact bouncing duration at closing operation ms ≤2
Closing and opening non-simultaneity of contacts ms ≤2
Maximum rebound during opening mm ≤2
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Solutions

 

Vacuum arc extinguishing chamber embedded pole.

The epoxy solid sealing pole (also known as the solid seal type vacuum arc extinguishing chamber) is a buffer material outside the vacuum switch tube and then a layer of epoxy resin. It replaces the insulation support and mechanical support of the original circuit breaker, greatly reducing the circuit breaker’s parts and volume. With small size, more stable and reliable pressure advantages it realizes the integrated module, and more easy for installation and free-maintenance.

 

Dimensions MEP61-12:

METTZ solid sealed pole of the epoxy resin automatic pressure gel forming process (APG process) the vacuum arc quenching chamber and an upper and a lower outlet seat and current carrying components are encapsulated into a whole. Due to the adoption of the excellent performance epoxy resin material, greatly ensure the products’ mechanical, electrical and thermal aging performance. The embedded pole has good vacuum sealing performance. It is reliable and with good resistance to high and low temperature shock and mechanical shock resistance. It has the advantage of maintenance free, compact, easy to install. Epoxy solid sealed pole matching the corresponding indoor and outdoor vacuum circuit breaker or a vacuum distribution device, especially matching in frequency is 50Hz / 60Hz, rated voltage of 12kV, 17.5kV, 24kV, 27.5 kV and 40.5 kV electric power, machinery, chemical industry, metallurgy, mining and other departments operating condition operating frequently places.

METTZ Group stands as a consortium of Chinese electrical firms, renowned for its expertise in manufacturing electrical equipment. We are specialized in crafting a comprehensive suite of transmission and distribution equipment, covering a wide voltage range from 0.4 to 40.5 kV. Our commitment lies in delivering reliable and stable products to our clientele, encompassing vacuum circuit breakers (VCB), gas-insulated switchgear modular units (RMU), solid insulated switchgear (SIS) panels, air insulated switchgear (AIS) panels, and dry compressed air insulated switchgear panels (DIS).

Since our inception, METTZ Group has been at the forefront of adopting international cutting-edge technologies and equipment. We pride ourselves on our extensive collaboration and dialogue with leading experts in the electrical technology sector, both within China and internationally. Our offerings are tailored to meet the specific needs of our clients, including Original Equipment Manufacturer (OEM) services, customization of products to unique parameters and dimensions, all in alignment with our customers’ specifications.

METTZ Group is dedicated to innovation, quality, and customer satisfaction, ensuring that we remain a preferred partner for electrical equipment solutions worldwide.

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