Description
KUC755AE105 3BHB005243R0105 Power supply module
Product Overview: KUC755AE105 3BHB005243R0105
The KUC755AE105 3BHB005243R0105 is a high-performance power supply module from ABB, designed to provide stable and reliable 24 V DC power for industrial automation systems—particularly within the AC 800M controller family. Engineered for continuous operation in electrically noisy and thermally challenging environments, this module ensures consistent power delivery to CPUs, I/O modules, and communication interfaces. Its robust design, wide input tolerance, and support for redundant configurations make it ideal for critical process control applications.

Main Features and Advantages:
Wide-range universal input: The KUC755AE105 3BHB005243R0105 accepts 85–264 V AC or 100–370 V DC input, enabling seamless integration into global installations with varying mains quality or backup DC systems.
High-efficiency 24 V DC output: Delivers up to 5 A (120 W) of regulated, low-noise power with >85% conversion efficiency, minimizing heat buildup and supporting energy-conscious panel design.
Redundancy-ready architecture: Includes built-in diode-or circuitry that allows parallel connection with an identical module for N+1 redundancy—ensuring uninterrupted power during maintenance or unexpected failures.
Comprehensive protection mechanisms: Automatically responds to overvoltage, overcurrent, short circuits, and overheating by shutting down safely, thereby protecting downstream control components.
Compact and service-friendly: Mounts on standard 35 mm DIN rail alongside ABB controllers, with clear status LEDs for quick diagnostics and tool-free module replacement in live systems.
Wide-range universal input: The KUC755AE105 3BHB005243R0105 accepts 85–264 V AC or 100–370 V DC input, enabling seamless integration into global installations with varying mains quality or backup DC systems.
High-efficiency 24 V DC output: Delivers up to 5 A (120 W) of regulated, low-noise power with >85% conversion efficiency, minimizing heat buildup and supporting energy-conscious panel design.
Redundancy-ready architecture: Includes built-in diode-or circuitry that allows parallel connection with an identical module for N+1 redundancy—ensuring uninterrupted power during maintenance or unexpected failures.
Comprehensive protection mechanisms: Automatically responds to overvoltage, overcurrent, short circuits, and overheating by shutting down safely, thereby protecting downstream control components.
Compact and service-friendly: Mounts on standard 35 mm DIN rail alongside ABB controllers, with clear status LEDs for quick diagnostics and tool-free module replacement in live systems.
| Technical Specification | Value |
|---|---|
| Input Voltage | 85–264 V AC / 100–370 V DC |
| Output Voltage | 24 V DC (regulated) |
| Maximum Output Current | 5 A |
| Maximum Output Power | 120 W |
| Efficiency | >85% |
| Protection Functions | Overvoltage, overcurrent, short-circuit, thermal shutdown |
| Redundancy Support | Yes (parallel operation enabled) |
| Operating Temperature | 0°C to +60°C |
| Mounting | 35 mm DIN rail |
| Certifications | CE, UL, CSA, IEC 61010-1 |
Application Areas:
Oil, gas, and petrochemical processing: The KUC755AE105 3BHB005243R0105 powers safety-critical control panels where power continuity directly impacts operational safety and environmental compliance.
Power generation: Used in boiler controls, turbine governors, and switchyard automation systems that demand immunity to voltage sags and electrical transients.
Water and wastewater treatment: Supplies dependable power to remote PLC racks managing pumps, chemical dosing, and level controls—even in humid or corrosive enclosures.
Mining and minerals: Operates reliably in high-vibration, dust-laden environments typical of conveyors, crushers, and flotation circuits.
Oil, gas, and petrochemical processing: The KUC755AE105 3BHB005243R0105 powers safety-critical control panels where power continuity directly impacts operational safety and environmental compliance.
Power generation: Used in boiler controls, turbine governors, and switchyard automation systems that demand immunity to voltage sags and electrical transients.
Water and wastewater treatment: Supplies dependable power to remote PLC racks managing pumps, chemical dosing, and level controls—even in humid or corrosive enclosures.
Mining and minerals: Operates reliably in high-vibration, dust-laden environments typical of conveyors, crushers, and flotation circuits.

Related Products:
KUC755AE106 3BHB005243R0106: Nearly identical in function and performance to the KUC755AE105 3BHB005243R0105, with differences typically limited to firmware revision or regional certification codes; often interchangeable in system designs.
KUC755AE117 3BHB005243R0117: Another variant in the same 120 W series, sharing core electrical and mechanical specifications but may reflect updated manufacturing batches or labeling standards.
PM856AK01 and PM864A 3BSE018162R1: Common AC 800M CPU modules that rely on the KUC755AE105 3BHB005243R0105 for primary or redundant power in high-availability automation architectures.
KUC755AE106 3BHB005243R0106: Nearly identical in function and performance to the KUC755AE105 3BHB005243R0105, with differences typically limited to firmware revision or regional certification codes; often interchangeable in system designs.
KUC755AE117 3BHB005243R0117: Another variant in the same 120 W series, sharing core electrical and mechanical specifications but may reflect updated manufacturing batches or labeling standards.
PM856AK01 and PM864A 3BSE018162R1: Common AC 800M CPU modules that rely on the KUC755AE105 3BHB005243R0105 for primary or redundant power in high-availability automation architectures.
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