The Siemens 6EW1 380-1AA is a robust, wide-range industrial power supply module engineered to provide a stabilized 24 VDC output at a continuous 4 A current rating. Designed for demanding industrial environments, this unit accepts a flexible single-phase AC input ranging from 93 to 265 VAC, ensuring reliable operation despite grid fluctuations. It is widely utilized in sectors such as petroleum refining, thermal power generation, and mining, serving as a critical power source for control systems, instrumentation, and fieldbus networks.
Features
Wide-range AC input: 93 to 265 VAC, 47 to 63 Hz.
Stabilized 24 VDC output with 4 A continuous current capacity.
High-efficiency switching topology for optimized thermal management.
Integrated EMI filtering and MOV surge protection.
Galvanic isolation between primary AC input and secondary DC output.
Built-in short-circuit protection, electronic current limiting, and overvoltage clamping.
Applications
This power supply is suitable for powering PLC control systems, distributed I/O, industrial sensing arrays, and communication gateways in harsh environments where stable DC power is essential for preventing downtime and protecting sensitive electronic components.
Technical Specifications
Model
6EW1 380-1AA
Brand
Siemens
Input Voltage
93 to 265 VAC (Single-Phase)
Output Voltage
24 VDC
Output Current
4 A
Operating Temperature
0 to 60 deg C
Storage Temperature
-40 to 85 deg C
Relative Humidity
95 percent non-condensing
Installation Guidelines
Ensure the module is installed in an environment with adequate ventilation to maintain operating temperatures below 60 deg C.
Verify that the input AC power is disconnected before performing any wiring or maintenance.
Use appropriate wire gauges for the input and output terminals to prevent overheating and voltage drops.
Maintain proper grounding connections to ensure effective EMI suppression and safety.
Keep the module away from high-EMI sources and ensure sufficient clearance for heat dissipation.
Handle with care to avoid damage to internal components; ensure the unit is securely mounted to the DIN rail or panel as specified by the system design.
FAQ
What is the input voltage range for this module?
The Siemens 6EW1 380-1AA accepts a wide-range single-phase AC input from 93 to 265 VAC, making it suitable for various global grid standards.
Does this unit include protection against electrical faults?
Yes, the module features independent short-circuit protection with automatic recovery, electronic current limiting, and overvoltage clamping to protect both the power supply and connected downstream equipment.
