Description
Product Overview
The ABB ROM810 Relay Output Module is a compact, DIN-rail mountable unit designed to house up to two electro-mechanical relays for digital output signal control. Engineered for Symphony® Plus systems, it connects directly to the TBU810 termination base, forming a reliable interface for field I/O and power distribution.
Technical Specifications
| Attribute |
Detail |
| Manufacturer |
ABB |
| Part Number |
ROM810 |
| Product Catalog |
Symphony® Plus |
| Description |
Relay Output Module |
| Input Voltage |
24 VDC |
| Control Current |
4–20 mA |
| Dimensions (W×H×D) |
44 mm × 119 mm × 106 mm |
| Weight |
0.2 kg |
| Relay Quantity |
2 per module |
| Contact Type |
2 form “C” contacts per relay |
| AC Rating |
5A @ 120 VAC |
| DC Rating |
3A @ 150 VDC |
| Feedback Functions |
Coil activation, power failure |
| Suppression |
Inductive kickback protection |
| Mounting |
DIN rail with mechanical latch |
| Connectivity |
Direct plug-in to TBU810 |
| Application Support |
2oo3 logic systems |
Applications & Compatibility
The ROM810 is purpose-built for ABB Symphony® Plus control systems, providing robust relay-based digital output for process control, power generation, and safety-critical automation. Its compatibility with TBU810, compact design, and advanced feedback features make it a trusted choice for modular, scalable control architectures
