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LC, T/T, D/P, PayPal, Western Union, Small-amount payment

What is the lead time for production?

Peak Season Lead Time: within 15 workdays; Off Season Lead Time: within 15 workdays

Strom St137-a Thermal Overload Relay Industrial Electric Power Connecting

Name: Strom St137-a Thermal Overload Relay Industrial Electric Power Connecting
Brand: ZHUHAI STROM ELECTRIC CO., LTD.
SKU: 2281087975

Guangdong, ChinaZHUHAI STROM ELECTRIC CO., LTD.

US$133.00

50-99 Pieces

US$128.00

100+ Pieces

Product profile

Customization

Available

Selling Units

Single Item

Package Size Per

Batch 2X1.5X1.5.Cm

Model NO.

ST137-A

Gross Weight Per

5.000kg Batch

Transport Package

Carton

Trademark

STROM

Origin

Guangdong China

Key features

Comprehensive Protection Functions: Includes short-circuit, overload, underload, phase loss, over/under-voltage, and current imbalance protection.

Precise Measurement Capabilities: Measures three-phase current, voltage, power, power factor, and total active/reactive energy.

High Visibility LCD Display: Features an exquisite large-screen LCD with wide viewing angle and superior quality.

Wide Motor Power Range: Supports motors from 0.15kW to 85kW with various current transformer options.

Flexible Mounting Options: Standard 35mm DIN rail mounting or screw fixing available for different modules.

OEM and ODM Services: Offers full customization, minor customization, and customization from samples or designs.

Strict Quality Control: 100% visual and function inspection for finished products with traceable raw materials.

Fast Lead Time: Peak and off-peak season lead time is within 15 workdays.

Company profile

Cooperated with Fortune 500Years of Export ExperienceSelf-brandedPatents Awarded

ZHUHAI STROM ELECTRIC CO., LTD.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 24 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryZhuhai STROM Electric Co., Ltd. is a national high-tech enterprise established in 2002, specializing in intelligent power distribution and transformation automation products, including protection relays and power meters. Its stated capabilities include R&D, manufacturing, software development, OEM/ODM services, SDK availability, and broad customization. The supplier reports nearly 100 personnel, 50 R&D engineers, five production lines, 11–20 quality-control staff, quality traceability, documented complaint handling, and documented supplier corrective-action procedures. It exports to multiple regions and has 24 years of export experience, with stated lead times of within 15 working days in several conditions and one month during peak season in another record. National certification is explicitly stated for certain product series, but specific certification names are not provided. Financial records are indicated for 2023–2025, but no financial performance details are available. Evidence of customer cases is...

Supplier typeThe supplier is identified as Zhuhai STROM Electric Co., Ltd., a manufacturer and developer of intelligent power distribution and transformation automation products. Its stated business scope covers manufacturing, sales, software development, information-technology consulting, and technical services, indicating an integrated industrial technology supplier rather than a trading-only company.

CertificationsCertain STROM protection devices, self-powered units, and distribution terminals are explicitly described as nationally certified. However, the specific certification standards, certificates, and coverage of the full product range are not provided.

After-Sales capabilityThe supplier reports clear, documented procedures and followed records for customer complaint handling and corrective and preventive actions, along with quality assurance and raw-material traceability. Its stated technical services, consultation, and development activities further support service capability, although detailed after-sales response coverage is not specified.

R&D capabilitySTROM reports nearly 100 personnel including professor-level engineers and PhDs, 50 R&D engineers, five invention patents, 66 utility models, six appearance patents, and 44 software copyrights. It also reports new products within the past year, ODM capability, an available SDK, software development, and multiple advanced product series, providing explicit evidence of substantial innovation resources and activity.

Production capacityThe supplier states that it manufactures power distribution and power equipment, operates five production lines, and has 11–20 quality-control staff. Documented finished-product inspection, quality assurance, and raw-material traceability are reported; stated delivery information includes within 15 working days in off-peak conditions and one month during peak season in one record.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports OEM and ODM services, indicating capability to support both customer-specified products and original design manufacturing.

Product Q&A

Q:Who are we?

We are based in Guangdong, China, start from 2002,sell to Domestic Market(85.00%),Mid East(10.00%),Eastern Asia(5.00%). There are total about 201-300 people in our office.

Q:How can you guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment;

Q:What can you buy from us?

electric power relay,electric proctective relay,electric power meter

Q:Why should you buy from us not from other suppliers?

As a 20-years eletric power automotive instuments supplier, STROM has a professional researching team over 50 staffs, providing 24hours designing and testing(self-owned laborary) service, quick feedback and shipping as well.

Q:What services can you provide?

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