Siemens SIMATIC S7-400 Series Series Power Supply for Use with SIMATIC S7-400, 230 V

Get your control-system modules up and running with this Siemens power supply. The unit converts input voltages to 5 and 24V DC loads, adjusting mains supplies to work with your system in a flash. With its short-circuit protection, the device cuts power faults off as they pop up to reduce the risk of hardware damage. Mounting the module takes no time as it slips onto a standard rack (such as 226-3954). LED indicators are on duty to show input and fault status at a glance, making inspections hassle-free. Power supplies like this are essential bits of kit in food production lines and fluid management systems.

• Power loss of just 20W to minimise energy waste
• Continues functioning for up to 20ms after a mains failure, reducing disruption from unstable connections
• Built-in potential separation between input and output to prevent damage from surges
• Simple 3-wire electrical connection for quick installation

Yes, this unit takes one 3.6V AA battery that provides backup energy to keep your system data safe if there's a power outage.