Product Overview

The ABB 3BHB006449R0002, part of the MPS-230/24/48 series, is a high-integrity power conversion module engineered specifically for UNITROL Excitation Systems and large-scale Distributed Control Systems (DCS). This unit acts as a foundational power hub, converting primary AC inputs into stabilized DC voltages required for critical control logic and field-side excitation circuits. Designed for high-availability industrial environments, the MPS-230/24/48 ensures that power fluctuations or transients on the factory grid do not compromise the performance of sensitive automation hardware. Its robust Swedish engineering provides a high MTBF (Mean Time Between Failures), making it a reliable choice for power generation and heavy industrial manufacturing where continuous energy delivery is a prerequisite for operational safety.

System Specifications and Hardware Parameters

• Module Designation High-Power Supply / Redundant Power Unit

• Model Identifier MPS-230/24/48

• Order Reference 3BHB006449R0002

• Input Voltage Compatibility 230 VAC nominal (Wide-range support)

• Output Voltages Multi-rail DC outputs (24V / 48V)

• System Integration UNITROL 6000 Series / DCS Backplanes

• Safety Integration Automatic overload and overvoltage suppression circuits

• Net Weight 3.24kg

• Physical Dimensions 27.5cm x 13.5cm x 12.24cm

• Manufacturing Origin Sweden

• Tariff Classification (HS) 8537101190

Industrial Deployment and Site Applications

The 3BHB006449R0002 is predominantly utilized in energy-intensive sectors, including thermal power plants, hydroelectric facilities, and large-scale chemical processing sites. Within a UNITROL excitation cubicle, this module provides the redundant power necessary to keep the controller and cooling fans operational, even if a primary supply phase fails. Its 3.24kg chassis is designed for rack or panel mounting, featuring efficient heat dissipation profiles that allow it to operate in the high-ambient-temperature environments common near turbine halls. By integrating this power solution into an Ethernet router-monitored network, plant operators can receive real-time status alerts regarding power health, enabling proactive maintenance and eliminating the risk of sudden system shutdowns due to electrical instability.

FAQ

Q: Can the MPS-230/24/48 be used in a redundant parallel configuration?

A: Yes. The 3BHB006449R0002 is specifically engineered to work in parallel with other MPS modules to provide a redundant (N+1) power architecture, ensuring that the control system remains powered if one module is removed or fails.

Q: Is this power supply compatible with both 24V and 48V control circuits?

A: The MPS-230/24/48 is designed to provide dual-rail support, making it versatile for systems that require standard 24VDC for PLC logic and 48VDC for specific telecommunication or actuator hardware.

Q: What type of cooling is required for the 3BHB006449R0002?

A: The module uses convection and assisted airflow within the UNITROL cabinet. It is essential to maintain the 12.24cm depth clearance to ensure proper ventilation and prevent thermal throttling during high-load periods.

Q: How does the module react to a downstream short circuit?

A: The unit features integrated automatic overload protection. In the event of a short circuit or current spike, the module will limit the output or temporarily shut down to protect the internal circuitry and connected DCS hardware.

Q: Does this unit include a status relay for remote monitoring?

A: Yes, these modules typically feature dry contact outputs or bus-based diagnostic signals that can be wired into your alarm system to provide immediate notification of a power fault or input loss.