Media gallery

ABB RER103-MM Bus Connection Module Most Favorable

19 in stock

Manufacturer: ABB
Product No.: RER103-MM
Product Type: Bus Connection Module
Condition: Brand New
Payment: T/T, Western Union
Weight: 0.7 kg
Dimensions: 35 mm x 73 mm x 20 mm
Shipping port: Xiamen
Warranty: 12 months

Description
Reviews
Shipping & Payment

Overview

The ABB RER103-MM is a bus connection module tailored for industrial automation environments. It serves as a communication bridge between RE_500 series devices and fiber-optic buses. By converting optical signals to RS-485 electrical signals, it enables fast and reliable data flow. Its compact design and robust compatibility make it ideal for integrating ABB systems using SPA, LON®, or IEC 60870-5-103 protocols.

Technical Specifications

Model Number: RER103-MM
Function: Converts optical signals to RS-485 electrical signals and vice versa
Communication Protocols:
- SPA
- LON®
- IEC 60870-5-103
Interface: RS-485
Power Supply:
- Supplied via host device
- 9-pin D-type connector
Data Transfer Rate: Up to 1.25 Mbps
Operating Temperature: -10°C to +55°C
Storage Temperature: -40°C to +70°C
Dimensions:
- Width: 35 mm
- Height: 73 mm
- Depth: 20 mm
Weight: 0.7 kg

Payment: T/T, Western Union.

Shipping port: Xiamen.

Lead time: Typically 1–3 working days after payment confirmation (subject to stock).

Worldwide delivery: We ship industrial automation parts to customers around the world. Freight is quoted with your RFQ.

F.A.Q.

Common questions about quotes, shipping, warranty and returns

Click Request a Quote on the product page and send us the part number, required quantity, and destination country. Our sales team will reply with current availability, pricing, and estimated delivery time.

In-stock items are normally prepared after payment and order confirmation. Most orders are dispatched from our warehouse in China, although the shipping location may vary depending on current stock.

Yes. We ship industrial automation parts to customers worldwide. Shipping cost and transit time depend on the destination, package weight, product size, and local import requirements.

We commonly use DHL, FedEx, UPS, and other international courier services. The carrier can be selected according to the destination, delivery speed, shipment size, and customer requirements.

Our products are generally covered by a 12-month warranty. Eligible products may also be returned under our 30-day refund policy. Please contact our team before returning any item to confirm the applicable terms and return instructions.