Siemens range of SIRIUS 22MM pushbuttons and indicator lights distinguish themselves due to their extremely high degree of functionality – and their very modern, flat design. Another convincing feature is the fact that they are extremely easy to mount. This is because actuator, signaling elements, holder as well as contact blocks and lamp elements can be securely and reliably attached with just a few movements of the hand – and that by just one person. Further, the modular design permits a higher degree of flexibility: Contact blocks can be combined with actuators – without any restrictions. The same applies for the light source and indicator.

SIRIUS 3SB3 advantages:

• Moulded plastic series with degree of protection IP66 / NEMA 4X or metal series with degree of protection IP67 / NEMA 4
• Up to 50% less mounting time in comparison to using ring nuts – can be simply mounted by one person without any special tools
• Significantly lower service costs thanks to the extremely brilliant LEDs with a lifetime of approx. 100,000 hours.
• Lugs at the mounting hole to prevent the device rotating are not required as this function is integrated in the holder
• Cage-Clamp terminals for fast and vibration-proof connections
• Can be laser labeled – inscription remains legible even under the toughest of conditions
• Electronics-compatible from 1 mA to 10 A: only one contact type is required
• Communications-capable through the AS-i connection
• EMERGENCY STOP with safe AS-Interface connection
• The engineering software is quickly and simply selected and configured

Siemens also offers these time proven 30mm line of pushbuttons

• Class 51 - Hazardous Location Pilot Devices
• Class 52 - Oil Tight Pilot Devices
• Class 52 - BlackMax - NEMA 4X Corrosion Resistant Pilot Devices