Do you provide after-sales support?

Yes, we offer 24-hour design and testing services with quick feedback and shipping.

What is the minimum order quantity?

The minimum order quantity is 1 set.

Are you a manufacturer or trading company?

We are a manufacturer and trading company established in 2002 with over 20 years of experience.

Strom St287fd Subminiature High-Voltage Numeric Line Differential Protection Relay High Power Contact Loadfor Mv&Hvproducts

Name: Strom St287fd Subminiature High-Voltage Numeric Line Differential Protection Relay High Power Contact Loadfor Mv&Hvproducts
Brand: ZHUHAI STROM ELECTRIC CO., LTD.
SKU: 2159790012

Guangdong, ChinaZHUHAI STROM ELECTRIC CO., LTD.

US$1,000.00

1 Set

Product profile

Customization

Available

Type

Switch Cabinet

Rated Frequency

50 Hz,60 Hz

Model NO.

ST287FD

Selling Units

Single Item

Package Size Per

75X80X80 Cm Batch

Rated Current

5A.1A

Gross Weight Per

4.000kg Batch

Rated Voltage

48V,24V,ADC220V,ADC110V

Transport Package

Carton

Trademark

STROM

Origin

Guangdong. China

Key features

Dual Frequency Support: Rated frequency supports 50 Hz and 60 Hz for global compatibility.

Multiple Voltage Options: Available in 24V, 48V, 110V, and 220V configurations.

Durable Aluminum Shell: Constructed with a robust aluminum shell for long-term reliability.

Comprehensive OEM/ODM Services: Offers full customization, minor customization, and flexible options from samples or designs.

Strict Quality Control: Includes 100% visual and functional inspection for all finished products.

Fast Lead Time: Production completed within 15 workdays during both peak and off-peak seasons.

Professional R&D Team: Over 50 staff members with 30 dedicated R&D engineers for design and testing.

Global Market Presence: Serving clients in South America, Southeast Asia, Middle East, and Africa for 24 years.

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: ≤8.08h

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.