Description

The ALSTOM AS111-1 is a critical power supply module designed for integration into ALSTOM’s range of industrial control and protection systems, particularly within their energy automation and rail transportation solutions. This robust module serves as the primary or redundant power conversion unit within ALSTOM’s sophisticated control architectures, ensuring continuous and reliable power delivery to essential control and protection equipment. The ALSTOM AS111-1 is engineered to convert incoming AC or DC power to precisely regulated DC output voltages required by sensitive electronic control cards, processors, and I/O modules within the system. Its design emphasizes maximum reliability and fault tolerance, making it an indispensable component in applications where power continuity is critical for system operation and safety.

As part of ALSTOM’s comprehensive automation ecosystem, the ALSTOM AS111-1 power supply module incorporates advanced monitoring and protection features that safeguard connected equipment from power anomalies and ensure stable operation under varying load conditions. The module typically features hot-swappable capability, allowing for maintenance and replacement without system shutdown, which is crucial for applications requiring maximum availability. The robust construction and advanced thermal management of the ALSTOM AS111-1 ensure reliable performance in demanding environments commonly found in power generation, transmission, and rail transportation applications. This module exemplifies ALSTOM’s commitment to delivering industrial power solutions that combine European engineering excellence with global operational reliability.

AS111-1 ALSTOM

Technical Specifications

Parameter Name	Parameter Value
Product Model	AS111-1
Manufacturer	ALSTOM (now part of GE Power)
Product Type	Industrial Power Supply Module
Input Voltage	85-264V AC / 120-370V DC (auto-ranging)
Output Voltage	24V DC ±1%
Output Current	10A maximum
Output Power	240W
Efficiency	>90% typical
Line Regulation	±0.5% of nominal output
Load Regulation	±1% of nominal output
Ripple & Noise	<100mV peak-to-peak
Operating Temperature	-25 to +70°C
Storage Temperature	-40 to +85°C
Cooling Method	Convection cooling
Safety Standards	EN 50178, UL 508, CSA C22.2 No. 14

Main Features and Advantages

The ALSTOM AS111-1 power supply module offers exceptional reliability through its robust design and comprehensive protection features. It incorporates advanced power factor correction (PFC) technology that ensures high efficiency and minimizes harmonic distortion of the input current, making it suitable for sensitive electrical environments. The module features multiple protection mechanisms including overvoltage protection, overload protection, short-circuit protection, and thermal shutdown, ensuring the safety of both the power supply itself and the connected equipment. These protective features automatically reset once the fault condition is cleared, minimizing downtime and maintenance requirements in critical applications.

The modular design of the ALSTOM AS111-1 allows for flexible configuration and easy integration into various ALSTOM control systems. Its hot-swappable capability enables replacement without powering down the entire system, significantly enhancing system availability and maintainability. The wide input voltage range ensures stable operation even during voltage fluctuations and brownout conditions. The ALSTOM AS111-1 also features comprehensive status indication through LED indicators, providing immediate visual feedback on operational status and any fault conditions. These advanced features, combined with the module’s rugged construction and high-quality components, ensure long-term reliability and performance in the most demanding industrial environments.

Application Field

The ALSTOM AS111-1 finds primary application in critical infrastructure and industrial systems where power reliability is paramount. In the energy sector, it is extensively used in power generation plants and substation automation systems, providing reliable power to protection relays, control systems, and communication equipment. The module serves as a vital component in ALSTOM’s energy management systems, ensuring continuous operation of grid monitoring and control equipment that maintains the stability and reliability of electrical power networks. In rail transportation systems, the ALSTOM AS111-1 provides power to signaling equipment, train control systems, and station automation systems, where uninterrupted operation is essential for safety and scheduling reliability.

The industrial automation sector utilizes the ALSTOM AS111-1 in process control systems for critical manufacturing operations, particularly in continuous process industries such as chemical processing, oil and gas, and water treatment facilities. The module’s robust design makes it suitable for harsh industrial environments where temperature extremes, vibration, and electrical noise are common challenges. The ALSTOM AS111-1 is also employed in marine and offshore applications, providing reliable power to navigation systems, engine control systems, and safety equipment where failure is not an option. Its versatility and reliability make it suitable for any application requiring clean, stable, and uninterrupted DC power for sensitive electronic control systems.

AS111-1 ALSTOM

Related Products

ALSTOM AS112-1: Enhanced power supply module with higher output capacity and additional monitoring features

ALSTOM AS110-1: Compact version with reduced output power for space-constrained applications

ALSTOM AS113-1: Redundant power supply module with automatic failover capability

ALSTOM PSU-100 Series: Next-generation power supply units with improved efficiency and connectivity

ALSTOM PSM-100: Power system monitor designed to work with the AS111-1 series

ALSTOM PDB-200: Power distribution board compatible with AS111-1 modules

ALSTOM RACK-300: System enclosure with integrated power supply slots for AS111-1 modules