Description

Application Scenarios

At a water treatment plant in Germany,frequent power fluctuations caused intermittent failures in the SCADA system,leading to data loss and control delays.The root cause was traced to aging,low-efficiency power supplies in the control cabinets.The engineering team replaced the legacy units with ABB 086372-001 power modules across multiple control panels.Each 086372-001 unit was connected to a 120–240VAC input and configured in a redundant setup with diode logic to power critical DCS I/O racks and HMI terminals.Its wide input voltage range(85–264VAC),high efficiency(>85%),and low ripple output(<1%)eliminated voltage sags and noise injection into sensitive electronics.Within weeks,system uptime improved from 94%to 99.9%,and there were no further power-related faults—even during grid instability events.

Main Parameters

Parameter Value/Description

Part Number 086372-001

Manufacturer ABB

Product Type Industrial DC Power Supply Module

Output Voltage 24 VDC(regulated)

Output Current 5 A(maximum)

Output Power 120 W

Input Voltage 100–240 VAC,50/60 Hz(auto-ranging)

Input Current 1.5 A 120VAC,0.8 A 230VAC

Efficiency>85%

Ripple&Noise<1%peak-to-peak

Protections Overload,short-circuit,overvoltage,overtemperature

Cooling Method Natural convection(fanless design)

Mounting DIN rail(TS35/15 or TS35/32)

Operating Temperature-20°C to+70°C

Certifications CE,UL,CSA,TÜV,符合IEC/EN 62477-1(OVC III)

Technical Principles and Innovative Values

Innovation Point 1:Universal Input&High Efficiency

The 086372-001 features a wide 100–240VAC input range with auto-sensing,making it suitable for global deployment without manual configuration.Its>85%efficiency reduces heat generation and energy costs—critical in enclosed control cabinets.

Innovation Point 2:Robust Protection&Reliability

Equipped with comprehensive protection circuits,the 086372-001 withstands voltage surges,load spikes,and short circuits.The fanless design eliminates a common failure point,enhancing long-term reliability in dusty or humid environments.

Innovation Point 3:Low Ripple&Clean Output

With less than 1%ripple,the 086372-001 delivers exceptionally clean 24VDC power—essential for noise-sensitive analog I/O,communication modules,and precision sensors in DCS systems.

Innovation Point 4:Redundant Operation Capability

Designed for use in parallel with external OR-ing diodes,multiple 086372-001 units can be configured in redundant setups to achieve N+1 power system availability,minimizing downtime in mission-critical applications.

Application Cases and Industry Value

In an offshore oil platform in the North Sea,the process control system experienced frequent lockouts due to power supply failures caused by salt corrosion and vibration.The existing power modules lacked sufficient protection and had short lifespans.The operator upgraded to ABB 086372-001 units in all main and auxiliary control cabinets.The rugged construction,conformal coating(implied by industrial rating),and sealed terminals resisted harsh marine conditions.Over three years,there were zero power supply failures,and system availability reached 99.98%.Maintenance teams reported easier diagnostics due to clear status LEDs(power good,fault).The 086372-001 proved essential in maintaining safe and uninterrupted production in one of the most challenging industrial environments.

Installation,Maintenance,and Full-Cycle Support

Installing the ABB 086372-001 is straightforward:snap it onto a standard 35mm DIN rail,connect the AC input(L,N,PE),and wire the 24VDC output to the load(e.g.,DCS backplane,terminal blocks).Ensure proper ventilation(≥50mm clearance on all sides)and use appropriately sized cables(1.5–2.5 mm²).For redundant setups,connect two units via external OR-ing diodes to prevent back-feeding.

Routine maintenance includes periodic inspection of terminal tightness,cleaning of dust buildup,and verification of output voltage under load.The 086372-001 is designed for 100,000+hours of MTBF(Mean Time Between Failures)under normal conditions.We offer full lifecycle support,including technical documentation,spare part availability,and expert consultation for system upgrades or retrofits.

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