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ABB

ABB REJ603 REJ603BB401NN31E Self‑Powered Feeder Protection Relay

SKU REJ603BB401NN31E

  • Part Number:

    REJ603BB401NN31E

  • Manufacturer:

    ABB

  • Condition:

    Brand New & in Stock

  • Product Type:

    Feeder Protection Relay

  • Origin:

    Sweden

  • Shipping Detail:

    Fedex and UPS etc

  • Warranty:

    12 months

Frequently inquire Together

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Description

The ABB REJ603 REJ603BB401NN31E is a self‑powered feeder protection relay from the Relion® 600 series. It is designed for secondary distribution networks, providing selective short‑circuit and earth‑fault protection without requiring an external auxiliary power supply.

Specifications

  • Model Number: REJ603 REJ603BB401NN31E

  • Series: ABB Relion® 600 protection relays

  • Type: Self‑powered feeder protection relay

  • Protection Functions: Phase overcurrent, earth‑fault protection

  • Power Supply: Self‑powered via current transformers (CT input)

  • Rated Frequency: 50/60 Hz

  • Startup Power Requirement: Approx. 2.5 VA at rated current

  • Rated Current: Configurable 1 A / 5 A

  • Trip Output: 1 NO (normally open) contact

  • Binary I/O: 1 DI / 1 DO configurable

  • User Interface: LED indicators and DIP switch configuration

  • Dimensions: Approx. 160 × 96 × 150 mm

  • Weight: ~0.9 kg

  • Country of Origin: Sweden

Features

  • Self‑Powered Operation: Eliminates need for auxiliary voltage, ideal for environments with limited power sources

  • Selective Protection: Provides reliable short‑circuit and earth‑fault detection for secondary distribution networks

  • Compact Design: Space‑saving module suitable for ring main units (RMU) and compact substations

  • High Reliability: Engineered for harsh field conditions with robust performance and independent operation

  • Easy Configuration: DIP switch setup with LED indicators for quick commissioning and fault diagnostics

  • Event Recording: Stores up to 100 fault records for system analysis and maintenance

  • Flexible Application: Suitable for distribution automation projects and modern substation protection schemes

Related Tags:
ABB Feeder Protection Relay
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Read next

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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