Does the tester include overload protection?

Yes, it features 5A fuses for DC/AC voltage output circuits and a 6A fuse for the power supply.

What is the power supply requirement for the unit?

The device operates on a 220V, 50Hz power supply.

Is the device suitable for testing circuit breakers?

Yes, it is designed to test trip values and measure switch on/off times for circuit breakers.

Affordable Single Phase Relay Tester for Enhanced Safety

Name: Affordable Single Phase Relay Tester for Enhanced Safety
Brand: Delta Technology (Chongqing) Co., Ltd.
SKU: 1949980552

Chongqing, ChinaDelta Technology (Chongqing) Co., Ltd.

US$1,500.00-1,900.00

1 Set

Product profile

Customization

Available

After-sales Service

Response on Customers' Questions Within 12 Hours.

Warranty

12 Months

Model NO.

PRT-I

Description

Affordable Single Phase Relay Tester Reliable

Functions

Measure Parameter of Single Phase Protection Relay

Other Functions

Used as a Voltage Source Alone

Application Field

Electrical Service, Protection Relay Manufacturer

Features

Easy Operation,Low Price Single Phase Relay Tester

Test Parameters

Trip Value, Switch on and off Time Measurement

DC Voltage Output

0-350V Continuity

AC Voltage Output

0-350V Continuity

DC Current Output

0-10A Continuity

AC Current Output

0-100A

Operation Mode

Manual

Packing Dimension

55*42*49cm

Gross Weight

37kg

Power Supply

220V, 50Hz

Transport Package

Single Phase Relay Tester Packed in Veneer Case

Specification

55*42*49CM

Trademark

Delta

Origin

China Mainland

HS Code

9031809090

Production Capacity

1000 Sets Single Phase Relay Tester / Month

Key features

High Precision Testing: Ensures accurate measurement of trip values and switch on/off times for protection relays.

Digital Display: Features intuitive digital reading for easy operation and clear parameter monitoring.

Dual Voltage Source: Equipped with fixed value output to function as a standalone voltage source.

Comprehensive Current Output: Supports DC current up to 10A and AC current up to 100A with continuity output.

Versatile Voltage Output: Provides DC/AC voltage output ranging from 0-350V and constant voltage options.

Built-in Safety Fuses: Includes 5A fuses for voltage circuits and 6A fuse for power supply protection.

Long Timer Range: Digital timer covers 0.000 to 9999 seconds with high accuracy.

Lightweight Design: Compact and portable with a gross weight of only 37kg for easy transport.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedFast Delivery

Delta Technology (Chongqing) Co., Ltd.

Chongqing, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2019-03-01Average Response Time: ≤0.75hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryThe supplier operates in technical services, instrument, equipment, robot, and related sales activities, but is explicitly not classified as a professional technical supplier. Its documented capabilities include transformer testing equipment production of 1,000 sets annually, minor customization, ODM, and OEM services. Innovation evidence is limited: one R&D engineer, no new products in the past year, no 3D software design service, and no SDK. Service procedures for corrective actions and complaints exist, but no written records are available, while quality assurance and raw-material traceability statuses are unknown. The supplier reports overseas markets and export sales, but no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. Financial records are identified for 2022–2024, but no financial performance details are provided.

Supplier typeThe supplier’s scope covers technical services, technology development and consulting, instrument and equipment sales, intelligent robots, and related machinery. However, it is explicitly identified as not being a professional technical supplier, so its profile is broader equipment and technology-related trading/service activity rather than a specialized technical supplier.

R&D capabilityInnovation capability appears limited: the supplier has one R&D engineer, launched no new products in the past year, does not provide 3D software design or SDK support, and offers only minor customization design services. ODM and OEM capabilities are explicitly available, but these do not offset the stated lack of recent product development evidence.

Production capacityThe supplier reports annual production of 1,000 sets of transformer testing equipment and an off-season lead time within 15 working days. This provides direct evidence of a defined production output and delivery timeframe, although broader capacity, facilities, and quality-performance evidence is not provided.

Customization capabilityThe supplier provides minor customization design services and explicitly offers ODM and OEM services, including OEM for well-known brands. However, it does not provide 3D software design services, so the demonstrated customization capability is positive but limited in scope.

Client casesThe supplier states that it provides OEM services for popular brands, which is evidence of at least some brand-related customer work. No customer names, project details, performance records, or independently verifiable case descriptions are supplied.