St287 Backup Overcurrent and Distance Protection Relaywith Fiber-Optic Ethernet P Forpower Distribution Application

Name: St287 Backup Overcurrent and Distance Protection Relaywith Fiber-Optic Ethernet P Forpower Distribution Application
Brand: ZHUHAI STROM ELECTRIC CO., LTD.
SKU: 2294179025

Guangdong, ChinaZHUHAI STROM ELECTRIC CO., LTD.

US$600.00

1-9 Sets

US$580.00

10+ Sets

Product profile

Customization

Available

Iplevel

IP54

Size

74*110*142

Model NO.

ST287

Selling Units

Single Item

Package Size Per

25X18X18.Cm Batch

Frequency

50 Hz,60 Hz

Material

Aluminium Shell

Gross Weight Per

2.500 Kg Batch

Power Distribution, Industrial,

Application High Voltage

Ratedvoltage

24,48,220,110V

Transport Package

Carton

Trademark

STROM

Origin

Guangdong. China

Key features

Comprehensive Protection Functions: Includes over/low current, over/low voltage, feeder differential, microprotection, reverse power, and phase sequence protection.

Robust Aluminum Shell: Provides impact resistance and ensures reliable operation in harsh environments with a compact 74x110x142mm size.

Automatic Recalibration: Features continuous monitoring and maintenance capabilities for long-term reliability in industrial operations.

Flexible Customization Options: Supports customization from samples, designs, full customization, minor customization, and flexible customization.

Wide Voltage Compatibility: Rated voltage supports AC 100V-220V and DC 24V, 48V, 110V, 220V for diverse power distribution needs.

24-Hour Technical Support: Professional team provides 24-hour designing, testing, and quick feedback services with a self-owned laboratory.

High-Quality Inspection: 100% inspection including visual and function checks with 5 dedicated QA/QC inspectors ensuring product reliability.

Fast Lead Time: Peak and off-peak season lead times are both within 15 workdays for efficient delivery.

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: ≤18h

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, established in 2002, selling to Domestic Market (85.00%), Mid East (10.00%), and 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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