



The ABB TB840 Power Supply Module is a high-capacity, highly reliable 24V DC power supply designed for the most demanding industrial automation and control applications. With an impressive output capacity of up to 50A, the TB840 delivers consistent and stable power for large-scale automation systems, making it ideal for industries where uptime and reliability are paramount. Whether you’re powering PLCs, control systems, sensors, actuators, or other critical equipment, the TB840 ensures your systems operate efficiently and without interruption.
Engineered for performance, the TB840 features advanced protection mechanisms, a robust and compact design, and an easy DIN rail mounting system, making it suitable for use in various industrial environments, including manufacturing, material handling, energy, and HVAC applications. It provides a dependable, energy-efficient solution for both medium and large-scale automation setups that require substantial power to operate complex systems.
Technical Specifications
| Specification | Details |
|---|---|
| Model | TB840 Power Supply Module |
| Input Voltage | 85-265 VAC, 47-63 Hz |
| Output Voltage | 24V DC ±1% |
| Nominal Output Current | 50A |
| Efficiency | 98% (at full load) |
| Operating Temperature | -10°C to 70°C (14°F to 158°F) |
| Weight | 6.0 kg (13.23 lbs) |
| Dimensions (W x H x D) | 230 x 240 x 200 mm (9.06 x 9.45 x 7.87 inches) |
| Cooling Type | Forced Air Cooling |
| Protection Features | Overvoltage, Overcurrent, Overtemperature, Short Circuit, Surge Protection |
| Mounting Type | DIN Rail Mounting |
| Certifications | CE, UL, RoHS |
Recommended Related Models
To suit various power requirements, here are a few related ABB power supply models:
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ABB TB830: Provides 45A output, ideal for high-demand industrial systems that require a high current but slightly less than the TB840.
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ABB TB820: A slightly lower capacity option, offering 40A, for medium-sized automation setups and control systems.
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ABB DCS 800 Series: A modular and customizable power solution for highly complex automation systems, designed for flexibility and scalability.
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ABB SM860: A highly adaptable, scalable power supply module for industrial applications, offering advanced features for power distribution.
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ABB PM850: A robust protection module that shields sensitive equipment from electrical faults and power surges, ensuring system integrity.
Popular ABB Models
ABB’s reputation for industrial automation excellence is supported by a broad portfolio of products. Some of the most popular models include:
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ABB SD880: A high-performance power supply solution for demanding industrial environments requiring large-scale power.
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ABB ACS580: A variable frequency drive (VFD) designed to optimize motor control and enhance system energy efficiency in industrial applications.
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ABB IRB 6700: High-precision robots engineered for manufacturing, assembly, and material handling applications, delivering fast and accurate performance.
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ABB PPM500: A power protection module that ensures reliable operation by safeguarding equipment from voltage fluctuations, surges, and electrical faults.
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ABB MNS 3.0: A modular power distribution system designed to improve flexibility and efficiency in electrical distribution within industrial plants.