How long is the lead time for delivery?

Lead times vary by season: within 15 workdays during off-peak season and one month during peak season.

What is the maximum residual voltage for the 21kV model?

For the 21kV model (YH10W-21/63), the maximum residual voltage is 72.5kV as per IEC standards.

Is the arrester suitable for contaminated environments?

Yes, the silicone housing offers high hydrophobicity and UV resistance, making it ideal for highly contaminated areas.

Customizable Realiable Quality ZnO 21kv 10ka Polymer Surge Arrester Lightning Protector

Name: Customizable Realiable Quality ZnO 21kv 10ka Polymer Surge Arrester Lightning Protector
Brand: Yueqing Wortai Electric Co., Ltd.
SKU: 1902619962

Zhejiang, ChinaYueqing Wortai Electric Co., Ltd.

US$5.00-35.00

50 Pieces

Sample price:US$12.00/piece.Request sample

Product profile

Customization

Available

Type

Power Source Arrester

Structure

Zinc Oxide Arrester

Model NO.

21KV 10KA

Installation

Parallel Arrester

Application

AC/DC System

Size

Meidum

Operation Voltage

High Voltage

Shape

Column

Material

ZnO

Certification

ISO9001

Name

Polymer Arrester

Voltage Class

21kv

Nominal Discharge Current

5ka and 10ka

Color

Gray or Brown

Transport Package

3PCS Individual Cartons Per 1 Big Carton + Pallet

Specification

Pallet dimension 110x110x210

Trademark

WORTAI or OEM

Origin

Wenzhou, China

HS Code

8535400000

Production Capacity

30000PCS/Month

Key features

Customizable Voltage and Current: Voltage class 21kV with 5kA or 10kA nominal discharge current options.

Customizable Color Options: Available in Gray or Brown polymer housing to match specific needs.

Gapless Polymer Design: ZnO gapless structure with silicone housing for superior hydrophobicity and UV resistance.

Wide Operating Voltage Range: Rated voltage covers 3kV to 36kV for diverse distribution system applications.

High Impulse Current Capacity: Handles high current impulses up to 100kA with 20kA pressure relief capability.

Global Certification Compliance: Meets IEC60099-4, IEEE C62.11, and NMX-J-321-ANCE standards.

OEM and ODM Services: Custom tailored products welcome with competitive pricing and flexible manufacturing.

Fast Response and Delivery: Email reply within 24 hours and lead times as short as 15 workdays off-peak.

Company profile

Yueqing Wortai Electric Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-09-16Nearest Port: ningboAverage Response Time: ≤5.39hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, Others

AI-Powered supplier vetting

SummaryYueqing Wortai Electric Co., Ltd. is a China-based electrical and electronics supplier identified as both a trading company and manufacturer/factory. Its stated product scope includes electrical equipment and accessories such as fuse cutouts, surge arresters, insulators, fuse links, hotsticks, and cable grips. The supplier reports ISO 9001 certification, eight production lines, 21–30 R&D engineers, and 21–30 quality-control staff. It offers OEM services and states that it prioritizes quality and customer service. Export activity is established, with exports beginning in 2009 and coverage across multiple global regions. However, the provided information does not substantiate specific after-sales procedures, financial strength, patented or demonstrated innovations, or named customer cases. The supplier’s 2025 registration records also show virgin silicone products supplied to Vietnam, indicating activity beyond the listed electrical product range.

Supplier typeWORTAI is described as a Chinese industrial electrical equipment and accessories company. Official classifications identify it as both a trading company and manufacturer/factory, while associated-company information classifies the business as wholesale and retail. This indicates a mixed manufacturing and trading model rather than a purely production-focused supplier.

CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of a recognized quality-management certification, although the provided slices do not state the certificate’s issue date, scope, or validity period.

Production capacityWORTAI reports a physical factory location, eight production lines, 21–30 quality-control staff, and 21–30 R&D engineers. It also states that off-peak lead time is within 15 working days and peak-season fulfillment takes one month, providing direct evidence of organized production and fulfillment capacity.

Customization capabilityThe supplier explicitly states that it provides OEM services worldwide, and its product range covers multiple industrial electrical components. This directly supports the ability to undertake customer-specific or OEM work, although the slices do not specify customization scope, tooling capability, minimum order requirements, or engineering procedures.