Product Description
Product Details
| Parameter | Details |
|---|---|
| Manufacturer | ABB |
| Model/Part Number | RER103 |
| Description | Bus Connection Module |
Product Overview
| Parameter | Details |
|---|---|
| Part Number | RER103 |
| Product Name | RER103 Bus Connection Module |
| Application | Communication interface in substation automation systems for connecting protection devices to fiber-optic networks |
| Compatibility | Designed for ABB RE500 series relays; supports SPA, LON®, and IEC 60870-5-103 protocols |
| Function | Converts optical signals from fiber-optic buses to electrical RS-485 signals for reliable data transmission |
Functional Specifications
| Parameter | Details |
|---|---|
| Type | Communication converter module |
| Interfaces | Fiber-optic input (SPA/LON/IEC 60870-5-103) to RS-485 electrical output |
| Signal Conversion | Optical to electrical signal conversion for RE500 devices |
| Power Supply | 24 V DC nominal (from system) |
| Operating Temperature Range | -25°C to +55°C |
| Dimensions | 35 mm x 73 mm x 20 mm |
| Weight | 0.7 kg |
| Mounting | DIN rail or panel mount in control cabinet |
| Protection Features | High interference resistance, galvanic isolation |
| Standards Compliance | IEC 60870-5-103, CE marked, UL listed |