The Siemens 3SU1401-1BH30-1AA0 is a SIRIUS ACT LED module designed for front-panel mounting, featuring integrated yellow LED illumination and a wide operating voltage range of 24–240 V AC/DC. With screw-terminal connections and compact design, it is engineered for signalling applications in industrial control panels and machine operator interfaces.
Ideal for operator panels, machine-control stations, and industrial equipment requiring a yellow LED indication module. Suitable for status indication, fault signalling, machine readiness displays or any application where a compact, front-mounted visual indicator is necessary.
| Colour light source | Yellow |
| Connection type auxiliary circuit | Screw connection |
| Lamp type | LED |
| Rated voltage Ue at AC 50 Hz | 240 V |
| Rated voltage Ue at AC 60 Hz | 240 V |
| Rated voltage Ue at DC | 240 V |
| Voltage type for actuating | AC/DC |
| With integrated diode | Yes |
| With light source | Yes |
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