Siemens Ronis Key-operated switch, metal, 2 position, 22mm Part number 3SU1050-4CC01-0AA0

Product Overview

The Siemens 3SU1050-4CC01-0AA0 is a RONIS key-operated switch (metal, shiny, 22 mm mounting diameter) featuring lock number 455 and two supplied keys. It offers two switch positions (O and I) with an actuating angle of 45°, momentary contact operation and key removal in the O position. The design is suitable for secure control functions in industrial operator panels.

Key Features

• RONIS key-operated switch, lock number 455, includes 2 keys
• 22 mm round mounting diameter, metal shiny front ring
• Two switch positions: O and I, actuating angle 45°
• Momentary contact type with return from centre to left
• High protection class: front IP66 / IP67 / IP69K, terminals IP20
• Compact dimensions for panel integration (height 29.5 mm, width 29.5 mm, mounting depth 25.4 mm)

Technical Specifications

• Product Series: Siemens SIRIUS ACT – Key-operated switches
• Article Number: 3SU1050-4CC01-0AA0
• Actuating Element Design: Key switch, metal, shiny finish
• Outer Diameter of Actuating Element: 29.5 mm
• Mounting Diameter: 22.3 mm (+0.4 mm tolerance)
• Mounting Depth: 25.4 mm
• Switch Positions: 2 (O / I)
• Actuating Angle: 45° (clockwise)
• Key Removal Position: O (key removable only in the OFF position)
• Protection Class Front: IP66 / IP67 / IP69K
• Protection Class Terminals: IP20
• Ambient Operating Temperature: –25 °C to +70 °C
• Storage Temperature: –40 °C to +80 °C
• Mechanical Service Life (Typical): 300 000 operations
• Weight (Approx.): 0.061 kg

Compliance & Certifications

• Complies with IEC / EN standards for control-panel actuators
• Manufactured under Siemens SIRIUS ACT quality standard and suitable for industrial operator-interface use

Applications

The 3SU1050-4CC01-0AA0 is ideal for operator panels, machine cabins and automation systems where a secure key-operated switch is required. With its robust metal design, high ingress protection, and compact form factor, it is suited for demanding industrial environments and provides controlled access switching for safety or mode selection functions.