Siemens SIRIUS ACT 3SU10 Series 4 Position Selector Switch Head, IP66, IP69K, IP67

This selector switch provides manual selection across four distinct positions for industrial control panels. It is a round, 22 mm panel-mounted actuating element with a white rotary knob and a black front ring, designed for environments requiring robust ingress protection and a latching operating principle. The device is intended for frequent use in control and signalling roles within machinery and equipment installations.

• Latching operation provides positive position retention
• 4 x 90° actuation enables discrete position selection
• Rated IP66, IP67, IP69K for wet and washdown environments
• Mechanical life approximately 1,000,000 operating cycles
• Withstands 15 g shock and 5 g vibration for durability

• Suitable for panel-mounted control stations in factories
• Used for mode selection on washdown production lines
• Ideal for machinery requiring frequent manual switching
• Can be used in transport equipment with vibration exposure
• Appropriate for systems needing RoHS-compliant components

It functions between -25 °C and +70 °C during operation.

The rotary knob is a white plastic button with a 29.5 mm outer diameter.

It fits a round cut-out with a 22.3 mm mounting diameter and a positive tolerance of 0.4 mm.

It meets multiple enclosure ratings including NEMA 1, 2, 3, 3R, 4, 4X, 12, 13 and IEC protection classes.

The switch typically endures 1,000,000 cycles and supports up to 1,800 operations per hour.