ABB 3BUS208720-001 Power Signal Interconnect Module

1. Product Overview

The ABB 3BUS208720-001 Power Signal Interconnect Module is designed for internal power distribution, signal routing, and interconnection between system modules in ABB industrial control systems.
It ensures stable and reliable delivery of power and control signals, providing a secure backbone for communication and synchronization within cabinet-mounted control systems.

2. Technical Specifications (Typical Values)

1. General Characteristics

• Model: 3BUS208720-001

• Type: Power and Signal Interconnect Module

• Function: Power distribution, signal coupling, module interconnection

• Compatible Systems: ABB automation systems and BUS-structured modular assemblies

2. Electrical Specifications

• Operating Voltage: Typically 24 VDC or system-supplied voltage

• Power Distribution: Supports powering multiple modules on the same bus

• Signal Types: Digital signals, sync signals, communication lines

• Isolation: Designed with electrical isolation to reduce interference

3. Interface & Connectivity

• System bus connectors

• Terminal blocks for power and signal wiring

• Supports ABB modular I/O, communication modules, and auxiliary units

4. Environmental & Mechanical

• Mounting: DIN-rail or system frame

• Operating temperature: –20°C to +55°C

• Humidity: 5–95% non-condensing

• Protection: IP20

• Industrial-grade construction

3. Key Advantages & Features

• High reliability with industrial-level noise immunity

• Simple installation using modular connectors

• Excellent system compatibility with ABB BUS-based modules

• Enhanced safety through isolated and protected signal paths

• Supports expansion in large-scale automation architectures

4. Application Areas

• Automation control cabinets

• ABB power, control, and drive systems

• PLC/DCS internal wiring and distribution

• Power plant and substation automation

• Oil & gas, chemical, mining, and metallurgical control systems

• Distributed and centralized process control

5. Installation & Safety Notes

• Disconnect power before installation or wiring.

• Ensure correct wiring orientation and terminal mapping.

• Use shielded cables for long-distance signal transmission.

• Do not exceed the module’s rated power distribution limits.

• Maintain proper ventilation inside the control cabinet.

• Inspect terminals periodically to avoid loose connections.

• Ensure full compatibility with other ABB system modules.