ABB 3BHB005243R0105 Regulated Power Supply Module (for AC 800M DCS)

Description

3BHB005243R0105

The ABB 3BHB005243R0105 operates as a key power distribution component in ABB’s industrial control stacks, specifically designed to integrate with ABB AC 800M DCS systems and compatible control modules. It connects to a primary AC power source (typically plant-wide 230 V AC) and converts it to a regulated 24 V DC output— the standard voltage for most industrial control components—while filtering out electrical noise that could disrupt sensitive signal processing.

3BHB005243R0105

Unlike generic power supplies, it features a redundant power path option: when paired with a second ABB 3BHB005243R0105 module, it creates a 1+1 redundancy setup that ensures power delivery continues even if one module fails. The module also includes built-in diagnostic capabilities, such as overcurrent protection and thermal overload monitoring, which transmit status data to the DCS. This allows engineers to proactively address issues (like a failing fan or excessive load) before they cause system downtime, eliminating the need for manual power supply checks.

3BHB005243R0105

Main features and advantages:

Choosing the ABB 3BHB005243R0105 delivers tangible operational value that reduces long-term risk and engineering effort. Its tight voltage regulation (±0.5% of nominal 24 V DC) ensures that connected control components—like I/O modules or safety relays—receive consistent power, preventing data corruption or component damage caused by voltage spikes. The module’s rugged design, rated for IP20 dust protection and resistance to vibration (up to 3 g), makes it suitable for harsh factory floors or outdoor control enclosures, eliminating the need for expensive environmental enclosures. Additionally, its native compatibility with ABB AC 800M DCS systems simplifies integration: engineers don’t need to modify wiring or use third-party adapters, cutting installation time by up to 30% compared to non-ABB power supplies. Unlike generic alternatives, the ABB 3BHB005243R0105 is validated to work seamlessly with ABB’s safety-certified components, ensuring compliance with industry standards like IEC 61508 for functional safety.

Application fields:

The ABB 3BHB005243R0105 excels in industries where uninterrupted power to control systems is mission-critical. In oil and gas refineries, it powers ABB AC 800M DCS modules that monitor pipeline pressure and valve positions, ensuring emergency shutdown systems activate reliably if a leak is detected. In automotive manufacturing, it supplies power to robotic control modules and quality inspection sensors, preventing production line halts caused by power interruptions—critical for meeting just-in-time production targets. It’s also widely used in wastewater treatment plants, where it powers control systems for pumps and chemical dosing units, ensuring compliance with environmental regulations by maintaining consistent treatment processes. In each of these use cases, the ABB 3BHB005243R0105 delivers the uptime and reliability needed to avoid costly downtime (which can exceed $10,000 per hour in manufacturing) and ensure regulatory compliance.

Related products:

ABB 3BHB005243R0106 – Higher-output version (24 V DC @ 3.5 A) for systems with more connected control components.

ABB 3BHB005188R0101 – 12 V DC output variant, ideal for powering low-voltage ABB sensors or communication modules.

ABB 3BHB006545R0001 – Redundancy module that enables 1+1 or N+1 redundancy for multiple ABB 3BHB005243R0105 units.

ABB 3BHB004898R0102 – Older generation power supply; compatible with AC 800M but lacks thermal overload diagnostics.

ABB 3BHB007217R0103 – Wide-input range variant (85–264 V AC) for global deployments with inconsistent grid voltage.

Schneider Electric ABL8REM24050 – Third-party alternative; DIN rail mount but requires adapter for ABB DCS integration.

Siemens SITOP PSU100C 6EP1332-1LA10 – Competitor module; offers similar output but limited compatibility with ABB systems.

Installation and maintenance:

Before installing the ABB 3BHB005243R0105, verify that the target DIN rail is rated for at least 1 kg of weight (to support the module) and that the input power circuit includes a 10 A circuit breaker (to protect against overcurrent). Check that the DCS firmware (Control Builder M v9.0 or later) is updated, as older versions may not recognize the module’s diagnostic signals. During installation, ensure the module is mounted at least 20 mm away from heat-generating components (like variable frequency drives) to prevent overheating—critical for maintaining its -10°C to 70°C operating range.

For ongoing maintenance, review DCS status logs monthly to monitor the module’s output voltage and temperature; replace the built-in fan every 5 years (or sooner if abnormal noise is detected) to prevent thermal shutdown. every year，perform a load test by connecting a dummy load (24 V DC @ 2 A) and verifying that the output remains within ±0.5% of nominal voltage.

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