The SITOP PSU200M 6EP1333-3BA10 is a modular 120W power supply built around one defining design choice: an ultra-wide input stage that accepts anything from 85V single-phase to 550V across two phases of a three-phase system. For machine builders exporting equipment globally, this eliminates the need to specify different power supplies for different regional grids — one model covers North American 120V, European 230V single-phase, and 400V three-phase (connected phase-to-phase) without a control transformer.

Power Boost and Protection

The module delivers a 3× rated current boost — 15A for 25ms — specifically to trip magnetic circuit breakers on overloaded branches. A separate 1.5× Extra Power reserve (7.5A for 5s/min) handles less aggressive inrush demands. The overload response is configurable via a front-panel selector: constant-current mode with automatic restart, or latching shutdown that requires a manual reset. Three LEDs (green = OK, yellow = overload, red = latching shutdown) give immediate visual status, supplemented by a floating relay contact for remote "24V OK" signaling.

Industrial Durability

The 70mm-wide metal housing carries ATEX (II 3G Ex nA nC IIC T4 Gc) and marine approvals (GL, ABS, DNV GL), reflecting its design intent for demanding environments — offshore platforms, shipboard systems, and chemical processing. The output is short-circuit proof with constant-current limiting at approximately 7.1A and overvoltage protection below 35V. Operating temperature spans -25°C to +70°C with derating above +60°C.

Key Decision Parameters

For the same PSU200M module with protective conformal coating for harsh atmospheres, see the 6EP1333-3BA10-8AC0 Plus variant. For double the output current in the same form factor, the 6EP1334-3BA10 delivers 10A (240W).