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Home > Electrical & Electronics > Power Transmission & Transformer > Transformer > 18KV Zinc Oxide Lightning Arrester Without Gaps

18KV Zinc Oxide Lightning Arrester Without Gaps

Name: 18KV Zinc Oxide Lightning Arrester Without Gaps
Brand: Mingneng
SKU: 108745167
Availability: InStock

18KV Zinc Oxide Lightning Arrester Without Gaps thumbnail-1

18KV Zinc Oxide Lightning Arrester Without Gaps photo-1

Negotiable MOQ: 100 Pieces (Price negotiable depending on order volume and customization)

Key Specifications

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Place of Origin:

Zhejiang, China

Brand Name:

Mingneng

Model Number:

HY5W-18

Contact Supplier Request Quote Chat Now

Wenzhou Mingneng Electrical Co., Ltd.

Payment & Shipping

Payment Methods:

Port of Shipment:

Ningbo or Shanghai

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Place of Origin Zhejiang, China

Brand Name Mingneng

Model Number HY5W-18

Specifications

Factory in Wenzhou, near to Ningbo port
Fit for switchboard
High Capacity, low leakage
Good seal, explosion-proof, dampproof

Appliation:

The ZnO arrester is mainly used to protect distribution transformer, cable connector and electric equipment from being damaged by lightning impulse voltage and operated over-voltage

Brief Introduction:

The metal zinc oxide arrester is a high-tech product in the mid 1990s in the world. Its main component, metal zinc oxide (MO) resistors have extremely excellent non-linear voltage-current or U-I characteristic. Therefore, compared with traditional SiC arrester, it has been largely improved in the performance of steep wave, lightning wave and operation wave.

In detail, MO resistors have good characteristics, such as good steep wave response, no delayed steep wave voltage, low operation residual voltage and no discharge dispersibility. It overcomes the shortcomings of SiC arresters: high discharge voltage under steep wave resulted from delayed steep wave discharge, high discharge voltage under operation wave resulted from operation wave discharge dispersibility.

Specifications:

1) MOA rated voltage:18KV
2) MCOV: 15.3KV
3) 1/10μs steep current impulse:61.5KV
4) 8/20μs lightning current impulse:54KV
5)30/60μs switching current impulse: 46.5KV
6) 2ms rectangular current impulse withstand:150A
7) 4/10μs high current impulse withstand:65KA

Normal service conditions:

1.The ambient air temperature is no higher than +40 degree. no lower than -40 degree.

2.The altitude above sea level does not exceed 2000m

3.Power frequency 48Hz~62Hz

4.Maximum wind speed does not exceed 35m/s

5.The earthquake intensity does not exceed 7 degrees

6.The voltage that long-time exerted shouldn't exceed its Max MCOV

Photos:

Technical Parameter:

Drawing of 18KV, 5KA Lightning Arrester: