Product Overview

Enclosure for command devices, 22 mm, round, enclosure material plastic, enclosure top part yellow, 1 control point plastic, with protective collar, EMERGENCY STOP mushroom pushbutton red, 40 mm, rotate-to-unlatch, 1 NC, screw terminal, floor mounting, 1xM20 each on top and bottom

Article Number: 3SU1801-0NA00-2AC2

Key Features:

• Safety Function: Complete emergency stop assembly with 40mm red mushroom pushbutton
• Enclosure: 22mm round plastic enclosure with high-visibility yellow top part
• Operation: Rotate-to-unlatch mechanism for secure emergency stop activation
• Protective Design: Integrated protective collar prevents accidental activation
• Contact Configuration: 1 NC (normally closed) contact for fail-safe operation
• Connection: Screw terminal for secure electrical connections
• Mounting: Floor mounting design with integrated cable entries
• Cable Entry: 1x M20 cable gland on top and 1x M20 on bottom
• Safety Compliant: Designed for emergency stop applications in accordance with safety standards

Technical Specifications:

• Enclosure Size: 22 mm diameter, round
• Mushroom Button Size: 40 mm diameter, red
• Operation Type: Rotate-to-unlatch
• Contact Configuration: 1 NC (normally closed)
• Terminal Type: Screw terminal
• Cable Entry: M20 threaded entries (top and bottom)
• Enclosure Color: Yellow top part with protective collar
• Button Color: Red (emergency stop standard)
• Net Weight: 0.360 kg
• Packaging Dimensions: 95.00 x 103.00 x 134.00 mm
• Quantity Unit: 1 Piece
• EAN: 4011209968332
• UPC: 804766075087
• Country of Origin: Germany

Product Benefits:

• Safety Critical Design: Emergency stop functionality provides immediate equipment shutdown capability
• High Visibility: Red mushroom button on yellow enclosure ensures maximum visibility in emergency situations
• Fail-Safe Operation: Normally closed contact ensures circuit interruption when activated
• Rotate-to-Unlatch: Prevents accidental reset and ensures intentional operator action to restore operation
• Protective Collar: Guards against unintended activation while maintaining easy emergency access
• Floor Mounting: Optimized for ground-level emergency stop applications and pedestrian access
• Dual Cable Entry: M20 entries on top and bottom enable flexible wiring and signal distribution
• Robust Construction: Industrial-grade plastic materials ensure reliable performance in critical applications
• German Engineering: Precision manufacturing guarantees consistent safety performance
• Standard Compliance: Meets international safety standards for emergency stop devices

Applications: Essential safety device for floor-mounted emergency stop applications in industrial machinery, manufacturing equipment, process systems, and automation installations. Perfect for pedestrian walkways, equipment access points, maintenance stations, and safety zones where immediate equipment shutdown capability is required. Ideal for compliance with machinery safety directives and workplace safety regulations requiring emergency stop functionality.

Safety Features:

• Emergency Stop Function: Immediate circuit interruption for equipment shutdown
• Visual Identification: Red button color universally recognized for emergency stop
• Protective Collar: Prevents accidental activation while ensuring emergency accessibility
• Secure Reset: Rotate-to-unlatch mechanism requires deliberate action to restore operation

Electrical Specifications:

• Contact Type: 1 NC (normally closed for fail-safe operation)
• Operation: Push-to-stop, rotate-to-unlatch
• Terminal Configuration: Screw type for secure emergency circuit connections

Installation Features:

• Floor Mounting: Designed for base-level safety installations
• M20 Cable Entries: Standard metric threading for secure cable management
• Dual Entry Points: Top and bottom cable access for emergency circuit routing

Compliance & Certifications:

• RoHS Compliant: Since 01.10.2014
• WEEE Directive: Take-back obligation applies
• Export Control: AL: N / ECCN: N
• Product Class: A - Standard stock item

REACH Regulation Notice: Currently no information available on SVHC (Substances of Very High Concern) from the supply chain. Products are regularly compared with candidate list requirements in accordance with REACH regulation. Information will be updated as new findings become available.

Download existing graphical data for this product:

• System Manual - SIRIUS ACT 3SU1 Pushbuttons and Signaling Devices
• Technical Documentation
• Product Datasheet
• Additional Product Information