Description

The ABB 1TGE120028R0010 is a high-performance industrial switching power supply module engineered to deliver stable, reliable 24V DC power for critical automation and control systems. As part of ABB’s comprehensive portfolio of power solutions for the AC 800M controller platform and System 800xA distributed control environment, the ABB 1TGE120028R0010 serves as a foundational component in control cabinets across process industries. With a rated output of 24V DC at 20A (480W) and a universal AC input range of 85–264V AC (47–63 Hz), it ensures consistent operation even under fluctuating grid conditions or in regions with unstable power infrastructure.

Designed for DIN-rail mounting in standard enclosures, the ABB 1TGE120028R0010 integrates seamlessly into modular control architectures, powering I/O modules, relays, solenoids, transmitters, and other field devices that demand clean, regulated DC voltage. Its convection-cooled design eliminates the need for internal fans—enhancing reliability by removing moving parts prone to failure in dusty or corrosive environments. The ABB 1TGE120028R0010 also features comprehensive built-in protections, including overvoltage, overload, short-circuit, and thermal shutdown, ensuring both equipment safety and system continuity during fault conditions.

Technical Specifications

Main Features and Advantages

Wide Input Voltage Range and Universal Compatibility: The ABB 1TGE120028R0010 accepts both AC and DC input voltages—85–264V AC or 100–370V DC—making it suitable for global deployment without hardware changes. This flexibility is invaluable in marine, mining, or remote installations where power sources may vary or include backup DC systems.

High Power Density and Fanless Reliability: Delivering 480W in a compact 125 mm width, the ABB 1TGE120028R0010 maximizes cabinet space efficiency while maintaining excellent thermal performance through passive cooling. The absence of fans eliminates noise, reduces maintenance, and prevents dust ingress—critical in ISO Class 8 cleanrooms or explosive atmospheres.

Precision Output Regulation and Low Ripple: With output ripple below 150 mVpp and tight load regulation (< ±1%), the ABB 1TGE120028R0010 ensures noise-free power for sensitive analog I/O and communication modules in ABB’s AC 800M or third-party PLC systems. This stability minimizes signal drift and improves measurement accuracy in process control loops.

Robust Protection and System Integration: The ABB 1TGE120028R0010 includes intelligent protection logic that safely handles transient overloads (up to 150% for 5 seconds) and automatically recovers after fault clearance. Its compatibility with ABB’s redundant power architectures allows parallel operation with diode modules for N+1 redundancy—ensuring uninterrupted operation in safety-critical applications like turbine control or emergency shutdown systems.

Application Field

The ABB 1TGE120028R0010 is widely used across heavy process industries where power reliability directly impacts safety, productivity, and regulatory compliance. In oil and gas refineries, it powers ABB AC 800M-based burner management systems (BMS) and emergency isolation valves, where even momentary voltage sag could trigger hazardous conditions. Within power generation plants, the ABB 1TGE120028R0010 supplies stable 24V DC to turbine control I/O racks, generator protection relays, and boiler feedwater instrumentation—operating continuously in high-temperature control rooms near steam lines.

In chemical and pharmaceutical manufacturing, the fanless design of the ABB 1TGE120028R0010 meets stringent cleanliness requirements, while its low electromagnetic emissions prevent interference with precision analytical instruments. It is also commonly deployed in water and wastewater treatment facilities, where wide input tolerance accommodates voltage sags during pump motor startups. Additionally, system integrators specify the ABB 1TGE120028R0010 for mining conveyor controls, cement kiln automation, and marine vessel engine room panels—environments demanding ruggedness, global certification, and decades-long service life.

Related Products

1TGE120027R0010: 12V/20A (240W) variant in the same TGE series, for legacy 12V control circuits.
1TGE120029R0010: 24V/40A (960W) high-power model for large I/O clusters or motor starter banks.
1SFA611022R1001: ABB DIN-rail redundancy module (diode coupler) for N+1 power supply setups with 1TGE120028R0010.
AC 800M CI854: Communication module often powered by this PSU in ABB’s controller racks.
TU854: Terminal base unit compatible with ABB I/O modules that rely on 1TGE120028R0010 for field-side power.
PLC-AC800M-PM803F: Alternative higher-end power module for AC 800M redundant controllers (not DIN-rail).

Installation and Maintenance

Pre-installation preparation: Before mounting the ABB 1TGE120028R0010, ensure adequate clearance—minimum 25 mm above and below—for natural convection cooling. Verify that the upstream circuit breaker or fuse is correctly sized (typically 32A slow-blow for 20A output). Use stranded copper wire (2.5–6 mm²) with ferrules for secure terminal connections, and confirm input voltage matches site specifications. If used in redundant configurations, pair with an ABB diode redundancy module like 1SFA611022R1001 and balance load sharing per installation guidelines.

Maintenance recommendations: The ABB 1TGE120028R0010 requires no routine maintenance due to its fanless, solid-state design. However, periodic inspection every 12–24 months is advised: check for terminal tightness, discoloration, or dust accumulation on the heat-dissipating fins. Monitor output voltage under load using a calibrated multimeter; significant deviation (> ±3%) may indicate aging components. Replace the ABB 1TGE120028R0010 proactively after 10+ years of continuous service in high-ambient (>50°C) environments, even if operational, to mitigate latent failure risks in critical systems.