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2. Innovative Low Power Phase Reversal Electronic Over Current Relay
US$36.00-46.00
1 Piece
Product profile
Customization
AvailableTheory
Electromagnetic RelayNumber of Pole
3Model NO.
EOCR-3DE/3EZProtective Characteristics
Sealed RelayAction Principle
Electromagnetic TypeSize
MiniatureProduct Name
Current Load RelayUnder-Curren
0.5~30secTrip Time(3ez)
Ground Fault ProtectionContact Load
Low PowerPhase Reversal
0.1~0.3 SecPhase Loss
3 SecOver-Current
O-TimeStart Delay Time
Setting (D-Time): 1 ~ 200 SecTrip Time(3de)
Load Alerting FunctionMOQ
1OEM
YesTransport Package
English PackageSpecification
EOCR-3DE/3EZTrademark
GWIEC/OEM/BlankOrigin
Zhejiang, ChinaKey features
Comprehensive Protection Functions: Covers over-current, under-current, phase loss, unbalance, reversal, and locked rotor.
MCU Based Control Unit: Microprocessor control with 3 integral current transformers for precise monitoring.
Adjustable Trip Time Characteristics: Selectable Inverse or Definite time-current characteristics with independent delays.
Digital Ammeter & Trip Indication: LED display for current sensing, troubleshooting, and trip cause memory.
CE & ISO Certified: Meets global compliance standards for safe and reliable industrial use.
OEM Customization Available: Logo integration and customization options available for brand alignment.
Compact DIN-Rail Mounting: Designed for 35mm DIN-rail installation with a compact panel mounting type.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-07-19Nearest Port: ningboAverage Response Time: ≤15hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB
AI-Powered supplier vetting
SummaryYueqing Greenwich Imp & Exp Co., Ltd. is identified as a China-based manufacturer/factory and limited company located in Zhejiang, with a factory in the Qiligang/Liushi area. The supplier reports ISO 9001 certification, 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Listed production capacities are 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. Its product scope centers on electrical components including MCCBs, MCBs, contactors, relays, starters, and circuit breakers. Export activity reportedly began in 2017, with 41%–50% of sales from exports and exports conducted directly or through agents. The records provide limited evidence on after-sales service, financial credibility, innovation, customization, and customer-case depth. Trade records show one transaction associated with a Kazakhstan buyer in February 2025, but monetary figures are omitted.
Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and Limited Company, with its head office and factory located in Zhejiang, China. However, another record describes the company nature as a trading company, indicating a mixed or potentially inconsistent classification across the available data.
CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of a documented quality-management certification, although no certification scope, issuing body, or validity dates are provided.
R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience, and its company description mentions continuous improvement and innovation. These provide some positive indication of development capability, but no specific patents, proprietary products, R&D projects, or new-product examples are supplied.
Production capacityThe supplier reports 10 production lines, 6–10 quality-control staff, and stated annual capacities of 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. The same capacity figures appear consistently across two records, and a physical factory location plus ISO 9001 certification are reported, supporting a positive assessment of production capability.
Product Q&A
Q:What protection functions does the EOCR-3DE/3EZ offer?
A:
It provides over-current, under-current, phase loss, phase unbalance, phase reversal, and locked rotor protection.
Q:Is the trip time adjustable?
A:
Yes, it features independently adjustable starting trip delay and operating trip time with selectable inverse or definite characteristics.
Q:Does it include a digital display?
A:
Yes, it features a digital ammeter and LED display for troubleshooting and trip cause indication.
Q:Can I customize the product with my logo?
A:
Yes, OEM customization including logo integration is available.
Q:What certifications does the product have?
A:
The product is CE, CCC, ISO, and RoHS certified.
Send Inquiry
*To:
Yueqing Greenwich Imp & Exp Co., Ltd.
Yueqing Greenwich Imp & Exp Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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