Can it be used as a master breaker?

No, it cannot be used as a master breaker; install a miniature circuit breaker in front of it.

Is GND connection required?

No, you do not need to connect to GND if you do not have one.

Digital AC Voltage Protector Over Under Voltage Over Current Protection

Name: Digital AC Voltage Protector Over Under Voltage Over Current Protection
Brand: Wenzhou Weilan Electric Co., Ltd.
SKU: 1906672962

Zhejiang, ChinaWenzhou Weilan Electric Co., Ltd.

US$18.80

10-149 Pieces

US$15.50

150+ Pieces

Sample price:US$18.80/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Electric Type

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

DIN Rail

Structure

MCB

Poles Number

Type

Circuit Breaker

Function

OVP(Overvoltage Protection)

Certification

Spec

10A/2p,16A/2p,20A/2p,25A/2p,32A/2p,40A/2p,50A/2p,6

Capacity

6ka

Working Mode

Automatic

Tripping Characteristics

C Type and General Purpose

Rated Voltage

220V

Transport Package

Export Packaging

Specification

20PCS/CTN

Trademark

WZAZURE /OEM

Origin

Zhejiang, China

Production Capacity

10000 Piece/Pieces Per Week

Key features

Comprehensive Protection: Protects against overvoltage, low voltage, current surge, leakage, and lightning.

Adjustable Parameters: Leakage, overvoltage, low voltage, and overcurrent ranges are fully adjustable.

Fast Response Time: Response time for all protection functions is less than or equal to 0.1 seconds.

Automatic Reclosing: Automatically reconnects when voltage and current return to normal levels.

Wide Voltage Range: Works with supply voltage from AC140V to 320V at 50Hz/60Hz.

High Capacity: Supports rated currents up to 63A with a breaking capacity of 6kA.

DIN Rail Mounting: Designed for easy installation on standard DIN rails.

CE Certified: Product meets CE safety and quality standards.

Company profile

Patents AwardedFast DeliveryCustomization from SamplesOEM Services

Wenzhou Weilan Electric Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤7.72h

AI-Powered supplier vetting

SummaryWenzhou Weilan Electric Co., Ltd. is a China-based trading company established in 2017 with three employees, offering distribution boxes, transparent protective window covers, and circuit breakers. It demonstrates professional technical, 3D design, SDK, ODM, OEM, and broad customization capabilities. Service procedures for corrective actions and customer complaints are documented and followed, while inventory capability is confirmed. However, evidence also shows no overseas warehouse, showroom, agent or branch, offline trade-show participation, or new products during the past year. Production capacity, manufacturing contracts, quality assurance, raw-material traceability, certification holding, and overseas service coverage remain unverified. The supplier has exported for six years, with exports representing 41%–50% of total sales, and can quote under FOB, CIF, CFR, and EXW terms. An environmental impact assessment report is absent, although regular fire drills were conducted during the past year. Audit...

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, and it confirms in-stock service capability. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas services, limiting demonstrated international after-sales reach.

R&D capabilityThe supplier is identified as a professional technical supplier with 3D software design capability and an available SDK, and it offers ODM services. Nevertheless, it reported no new products during the past year, so the evidence supports technical development capability but not recent product innovation.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, directly supporting broad customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one type of customer engagement. However, no customer names, project details, product quantities, or verifiable case documentation are provided.