Siemens Twin p/button, round, flat, plastic, green I, red O, 22 mm Part number 3SU1000-3AB42-0AK0

Product Overview

The Siemens 3SU1000-3AB42-0AK0 is a twin push-button head from the SIRIUS ACT 3SU10 series. It features two flat pushbuttons in a 22 mm round panel cut-out, with colour-coded actuators (green marked “I” and red marked “O”). The device is designed for front-panel mounting and offers high ingress protection (IP66/IP67/IP69K) for industrial applications.

Key Features

• Twin push-button head (two actuators: green “I” and red “O”)
• Panel cut-out diameter: 22 mm round
• Momentary (non-latching) function for each actuator
• High protection rating: IP66/IP67/IP69K (front) — suitable for harsh and outdoor environments
• Compact dimensions: width approx. 29.8 mm, height approx. 57.7 mm
• Standard plastic body, suitable for general industrial applications

Technical Specifications

• Article Number: 3SU1000-3AB42-0AK0
• Product Series: Siemens SIRIUS ACT 3SU10
• Number of Command Points: 1 (two actuators in one unit)
• Actuator Colours: Green (“I”), Red (“O”)
• Mounting Cut-out: 22.3 mm round
• Width × Height (approx): 29.8 mm × 57.7 mm
• Protection Class (Front): IP66/IP67/IP69K
• Ambient Operating Temperature: -25 °C … +70 °C
• Mechanical Service Life (approx): 2,000,000 switching cycles

Compliance & Certifications

• Conforms to industrial operator-control device standards and is certified for IP66/IP67/IP69K ingress protection
• Designed for use in heavy-duty and harsh industrial environments (dust, water, high fault currents)

Applications

The 3SU1000-3AB42-0AK0 twin push-button head is well suited for industrial control panels, machine-tool operator stations, automation cabinets and any application requiring a combined “ON/I” (green) and “OFF/O” (red) push-button in a single 22 mm cut-out. Its high front protection rating makes it ideal for outdoor, wash-down, clean-room or dusty environments.