What is the mounting type for this device?

It uses a standard 35mm DIN Rail mounting for easy installation in distribution boards.

Does the switch prevent dangerous backfeed?

Yes, it includes a built-in mechanical interlock that physically prevents connecting both sources simultaneously.

PV Rated ATS Switch for AC400V Power Systems

Name: PV Rated ATS Switch for AC400V Power Systems
Brand: Wenzhou Hengkuo Electric Co., Ltd.
SKU: 2160824412

Zhejiang, ChinaWenzhou Hengkuo Electric Co., Ltd.

US$18.00

10 Pieces

Product specifications

Electricity

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Warranty

2 Year

Brand

Hevgkeou

Operation

Electric

Certification

Type

Integrated automatic transfer switch

Poles

Output type

Dual

Operation Modes

Auto / off / Manual I / Manual II

Mechanical Interlock

Yes

Operating Temperature

-20°C to +60°C

Mounting

35mm DIN Rail

Transport Package

Box

Specification

HKR3

Trademark

HEVGKEOU

Origin

China

Key features

PV Rated Design: Specifically designed for photovoltaic systems with battery or generator backup.

4-Pole Complete Isolation: Switches L1, L2, L3, and Neutral for TN-S/TT systems compliance.

Dual Capacity Options: Available in 63A or 125A ratings for residential and commercial loads.

Auto and Manual Modes: Front selector allows automatic transfer or manual override for testing.

Global Grid Compatibility: Rated for AC400V 50/60Hz, compatible with Europe, Asia, and Africa grids.

DIN Rail Mounting: Standard 35mm rail installation for easy integration in distribution boards.

Mechanical Interlock: Physically prevents connecting both sources simultaneously to avoid backfeed.

2-Year Warranty: Comprehensive coverage for 2 years from the date of purchase.

Company profile

High Repeat Buyers ChoiceImporters and ExportersFast DeliveryQA/QC Inspectors

Wenzhou Hengkuo Electric Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Full Customization, Flexible customization, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.80h CertifiedTerms of Payment: LC, D/P, T/T, etc.

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells electrical, security, motor-related, and household-appliance products, including distribution box fire-extinguishing devices and dual power converters. It reports 16 years of development and integrated design, mold-making, injection molding/pressing, and assembly capabilities, with flexible through full customization available. Export sales account for 51%–70% of total sales, but exporting began only one year ago and no overseas branches, agents, warehouse, showroom, or offline trade-show participation are reported. Quality staffing is inconsistently described: one quality inspector is listed in one slice, while another reports 21–30 quality-control staff; finished products are checked by packing staff. Service procedures exist in some areas but lack written records, and no overseas service infrastructure is reported. Financial figures are excluded under the privacy requirement, and the supplied financial fields are insufficient for a reliable credibility judgment. No...

Supplier typeThe supplier is presented as a manufacturer and seller of electrical accessories, security equipment, motors/components, and household appliances. Its described integrated manufacturing model covers design, mold making, injection molding or pressing, and assembly, indicating a manufacturing-oriented supplier rather than a pure trading company.

After-Sales capabilityThe supplier reports procedures for corrective and preventive actions and customer complaints, but no written records are maintained; its service-capability assessment also has no written procedures or followed records. It has no overseas warehouse, showroom, agent, branch, or overseas service country listed, indicating limited documented after-sales infrastructure.

Production capacityThe supplier reports 16 years of development and integrated design, mold making, injection molding or pressing, and assembly, alongside manufacturing activities covering electrical, security, motor-related, and household-appliance products. However, the stated annual production output is below the supplied threshold, so production scale is not clearly strong.

Customization capabilityCustomization is explicitly offered across minor customization, flexible customization, and full customization. The integrated design, mold-making, molding or pressing, and assembly capabilities further support the supplier’s ability to execute customized products.