13 in stock
ABB REJ603BB401NN3XE Relion Feeder Protection Relay
ABB REJ603BB401NN3XE Relion Feeder Protection Relay
Brand/Manufacturer: ABB
Order Number: REJ603BB401NN3XE
Type: Protection Relays
Country of Origin: Sweden
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
-
In-stock & ready for fast delivery. Shipping policy.
-
We’re here for you 24/7 ,Contact Us.
-
Only genuine, factory-sealed products，Learn More.
-
Refund Supported Within 30 Days, help.
-
All purchases include a 1-year warranty, help.
Trusted Global Payment Methods
Description
Configured for self-powered feeder protection execution in secondary distribution networks, the ABB REJ603BB401NN3XE (REJ603BB401NN3XE Feeder Protection Relay) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
| Code Segment | Specification |
|---|---|
| REJ603 | Relion 605 series feeder protection relay platform |
| BB401 | Standard hardware configuration variant for current-based protection |
| NN3XE | Configuration designator without HMI and specific auxiliary interface options |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | REJ603BB401NN3XE |
| Brand | ABB |
| Origin | USA |
| Weight | Standard Relion 605 form factor |
| Dimensions | Standard compact switchgear enclosure profile |
| Operating Temp | Standard industrial switchgear range |
| Power Consumption | Self-powered via current transformers |
Backplane and Network Communication Architecture
- Backplane bus communication velocity Licences: Internal bus topologies optimize data transfer rates across internal processing modules to ensure rapid fault logging and overcurrent trip coordination.
- Profinet / EtherNet/IP deterministic networks: Hardware interface configurations maintain compatibility with secure substation management frameworks and local service tools when connected via applicable communication add-ons.
- I/O density scaling: Compact terminal allocations accommodate high-voltage current transformer inputs and binary trip/alarm outputs tailored for secondary switchgear and ring main units.
- Firmware flash compatibility: Integrated memory architecture permits secure firmware updates and profile configurations without altering core relay hardware.
Frequently Asked Questions
Q: Does the relay require an external auxiliary power supply for normal operation?
A: No. The unit utilizes a self-powered design that draws all necessary operating energy directly from connected current transformers during fault conditions or load flow.
Q: How is local user interaction handled given that this specific variant lacks an integrated HMI?
A: This model is supplied without a built-in HMI panel, though operational data and configuration can be managed using an optional add-on HMI kit or external service tools.
Field Installation Guidelines
- Mount the relay housing securely into the designated cutout on the secondary distribution switchgear or ring main unit, ensuring proper mechanical clearance and alignment.
- Connect current transformer secondary leads to the designated rear terminals, verifying correct polarity and secure torque specifications prior to system energization.
- Route low-level control and binary I/O wiring separately from high-voltage primary conductors and switching power lines to mitigate electromagnetic interference.
- Ensure that the relay functional earth terminal is securely bonded to the switchgear copper ground bus using a low-impedance conductor to maintain electrical safety and surge suppression.
Have a Question?
-
Focus on Benefits:
We focus on what truly matters to industrial buyers — authentic products, reliable stock, and fast global delivery. Explore how we support your operations with trusted sourcing and expert service.
-
Why You Can Trust Us:
We go beyond parts — delivering reliability, speed, and expertise trusted by industrial buyers worldwide.
-
Trusted by Global Clients
Serving thousands of companies across oil & gas, power, manufacturing, and more — from Fortune 500 enterprises to local distributors.
-
Uptime Is Our Priority
Downtime is costly. That’s why we ensure rapid access to critical parts, minimizing production interruptions and delays.
-
Experts in Sourcing Rare Parts
Our team specializes in finding hard-to-source and obsolete components — saving you time, risk, and procurement headaches.
-
One-Stop Automation Supply
We offer complete automation part solutions — PLCs, drives, sensors, HMIs, relays — with expert guidance every step of the way.
Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
Reliable Partner for Original Parts
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson