3RT1900-1SB20

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The 1-phase and 2-phase SIPLUS modular are technology power supplies for sophisticated solutions and offer maximum functionality for use in complex plants and machines. The ultra-wide input range allows connections to almost any 1-phase power supply system or directly between the line conductors of three-phase networks (2-phase) and ensures a high degree of safety even if there are large voltage fluctuations. The power boost provides up to three times the rated current for brief periods. In case of overload, you can choose between constant current with automatic restart or latching shutdown. The high degree of efficiency keeps energy consumption and heating in the control cabinet low, and the compact metal housing also saves space.

To further increase 24 V availability, the SIPLUS modular power supplies can be combined with buffer, DC UPS, redundancy and selectivity modules.

Main product highlights

• 24 V DC/5 A
• 1-phase and 2-phase ultra-wide input range
• Extremely slim design – no lateral installation clearances required
• Power Boost with 3 times the rated current (for 25 ms) for tripping protective devices
• Extra power with 1.5 times the rated current (5 s/min) for brief, operational overload
• Selectable short-circuit response between constant current and restart
• Optional symmetrical load distribution for parallel operation
• Operating status on 3 LEDs
• High degree of efficiency up to 91 %
• Wide temperature range from -25 to +70 В°C
• Comprehensive certifications, such as cULus, ATEX and GL

Note

SIPLUS extreme products are based on Siemens standard products. The contents listed here were taken from the respective standard products. SIPLUSВ extreme specific information was added.