Description
These power supplies belong to ABB’s SER(Switched-Mode Electronic Regulated)series,known for their compact DIN rail mounting design,high energy efficiency(up to 93%),and advanced protective features.The ABB SER Txx4 units operate on a wide AC input range(typically 100–240V AC),enabling seamless integration into global power systems without manual voltage selection.With CE certification and compliance with key industrial standards such as IEC/EN 62477-1(OVC III),they are suitable for use in high-pollution environments and industrial installations requiring robust overvoltage and surge protection.The integration of features like active power factor correction(PFC),short-circuit,overload,and overvoltage protection ensures system stability and extends the lifespan of connected equipment.As a trusted solution in industrial power conversion,the ABB SER Txx4 series delivers consistent performance,thermal resilience,and long-term reliability,making it a preferred choice for system integrators and maintenance engineers.
Technical Specifications
Product Model|SER Txx4(e.g.,SER T414,SER T514)
Manufacturer|ABB
Product Type|Switched-Mode Power Supply(SMPS)
Output Voltage|24 VDC
Output Power|120 W
Output Current|5.0 A
Input Voltage Range|100–240 VAC,50/60 Hz(auto-ranging)
Efficiency|Up to 93%
Power Factor|>0.95(active PFC)
Protections|Overload,Short Circuit,Overvoltage,Overtemperature
Ripple and Noise|<150 mV peak-to-peak
Operating Temperature|-25°C to+70°C(with derating above 55°C)
Storage Temperature|-40°C to+85°C
Humidity|5%to 95%RH,non-condensing
Mounting|Top-hat DIN rail(35 mm)or panel mount
Certifications|CE,UL,CSA,TÜV,IEC/EN 62477-1(OVC III)
Main Features and Advantages
The ABB SER Txx4 power supply series stands out in industrial applications due to its exceptional combination of efficiency,reliability,and intelligent protection mechanisms.One of its defining features is the high energy efficiency of up to 93%,which significantly reduces heat generation within control panels,minimizing the need for additional cooling and lowering overall energy costs.This thermal efficiency is particularly beneficial in densely packed cabinets where heat dissipation is a critical concern.
Another key advantage is the wide input voltage range(100–240V AC)with automatic frequency detection,allowing the ABB SER Txx4 to operate seamlessly across global power grids without requiring manual adjustments or external transformers.This makes it an ideal solution for multinational equipment manufacturers and export-oriented system builders.The inclusion of active power factor correction(PFC)ensures low harmonic distortion and compliance with electromagnetic compatibility(EMC)regulations,contributing to cleaner power usage and reduced strain on upstream electrical systems.
The ABB SER Txx4 also incorporates comprehensive electronic protection,including automatic recovery from short circuits and overload conditions,as well as thermal shutdown to prevent damage during sustained overloads.Its rugged design supports operation in extreme temperatures—from-25°C to+70°C—ensuring reliable performance in harsh industrial environments.The compact DIN rail footprint saves valuable panel space,while the robust housing provides excellent resistance to vibration and mechanical stress.With CE marking and compliance with OVC III(Overvoltage Category III),the ABB SER Txx4 is engineered for use in high-risk industrial power distribution networks,offering peace of mind in safety-critical applications.These attributes collectively make the ABB SER Txx4 a superior choice for engineers seeking a durable,efficient,and future-ready power solution.
Application Field
The ABB SER Txx4 power supply is widely deployed across diverse industrial sectors where stable and uninterrupted 24V DC power is essential for system integrity and operational continuity.In manufacturing automation,it powers PLCs,servo drives,safety relays,and fieldbus communication modules on production lines,ensuring precise control and minimizing unplanned downtime.Its high reliability makes it particularly valuable in automotive assembly,packaging machinery,and robotics cells where even brief power interruptions can lead to costly production losses.
Within process industries such as oil&gas,chemical,and water treatment,the ABB SER Txx4 provides clean,regulated power to control valves,analyzers,flow meters,and distributed I/O systems operating in hazardous or electrically noisy environments.Its OVC III rating and surge protection capabilities make it suitable for use in substations,pump stations,and remote telemetry units(RTUs)exposed to voltage transients and lightning-induced surges.
The ABB SER Txx4 is also extensively used in building management systems(BMS),powering HVAC controllers,fire alarm panels,access control systems,and lighting automation modules.In renewable energy installations,including solar inverters and wind turbine control systems,it ensures stable auxiliary power delivery under fluctuating grid conditions.Additionally,the power supply supports transportation infrastructure,including rail signaling and tunnel ventilation systems,where long-term reliability and compliance with international safety standards are mandatory.As industries increasingly adopt Industry 4.0 and smart manufacturing principles,the ABB SER Txx4 continues to serve as a foundational component in modern,connected control architectures.
Related Products
ABB SER T314–A 60W version in the same SER Txx4 series,suitable for smaller control panels with lower power demands,offering similar features in a more compact form.
ABB SER T614–A 180W high-capacity model for applications requiring more power,such as large PLC systems or multiple HMI stations.
ABB M200 series–A complementary line of circuit protection devices(miniature circuit breakers)designed to be used alongside the ABB SER Txx4 for optimized branch circuit protection.
ABB RVS1D-1B–A DIN rail surge protection device(SPD)that pairs with the ABB SER Txx4 to enhance immunity against voltage spikes in exposed installations.
ABB PSS120S-204–A competitive 24V 120W power supply from ABB’s PSS series,offering an alternative with slightly different form factor and mounting options.
Phoenix Contact Quint 4-PS/24DC/5–A comparable high-end power supply from a competing brand,often used as a benchmark for performance and reliability.
Siemens PS307–A widely used 24V power supply in Siemens automation systems,illustrating cross-vendor compatibility considerations in mixed-platform environments.
Mean Well LRS-150-24–A cost-effective alternative in the same power class,commonly used in OEM equipment,highlighting the ABB SER Txx4’s premium positioning in industrial applications.
Installation and Maintenance
Pre-installation preparation:Before installing the ABB SER Txx4,ensure the DIN rail is securely mounted and free from debris or conductive dust.Verify that the input power source matches the 100–240V AC range and is properly fused according to local electrical codes.Check that the control cabinet has adequate ventilation to dissipate heat,especially when operating near the upper temperature limit.Use appropriately sized copper wires(typically 1.5 mm²to 2.5 mm²)for both input and output connections,and ensure all terminals are tightened to the specified torque to prevent arcing or overheating.It is recommended to disconnect all loads during initial power-up to verify correct output voltage.
Maintenance recommendations:The ABB SER Txx4 is designed for maintenance-free operation under normal conditions,but periodic visual inspections are advised to check for signs of overheating,discoloration,or loose connections.Clean dust buildup from ventilation slots using dry compressed air during routine panel maintenance.Monitor the status indicator(usually a green LED)to confirm normal operation;if the LED extinguishes or flickers,investigate potential input power issues or overload conditions.For critical applications,perform annual functional tests,including output voltage measurement under load and verification of protective functions.Store spare ABB SER Txx4 units in their original packaging in a dry,temperature-stable environment to preserve component integrity.
Product Guarantee
We provide a comprehensive product guarantee for every ABB SER Txx4 power supply unit we supply,reflecting our confidence in its engineering excellence and long-term reliability.Each unit is sourced from authorized channels and undergoes rigorous incoming inspection to verify authenticity,physical condition,and basic electrical functionality.We guarantee that the ABB SER Txx4 meets all published technical specifications and carries valid CE and other relevant certifications.Our commitment includes dedicated technical support for integration,troubleshooting,and application guidance from experienced automation engineers.In the unlikely event of a defect under normal operating conditions,we offer a prompt replacement or refund to minimize operational disruption.By delivering genuine ABB industrial power solutions backed by stringent quality control and responsive service,we ensure that your control systems remain powered with precision,safety,and confidence.
Choose Shenzhen Changxin for worry-free after-sales service and high-quality products. We only cooperate with first-tier brand manufacturers in the industry. Our products are imported and comprehensive. We provide thoughtful pre-sales service, communicating multiple times with customers about product models, quality, prices, and delivery schedules to jointly confirm the solutions and address users’ concerns in advance. Business execution is in place, ensuring on-time delivery of ordered products and formulating a comprehensive delivery plan to guarantee the project schedule. We also assist users in handling acceptance procedures. Our after-sales service is impeccable. For any problems during the warranty period, we only replace, not repair. We never shirk responsibilities or pass the buck when encountering problems. Our service hotline is available 24/7: 18150087953