Product Overview

Enclosure for command devices 22 mm, round, enclosure material metal, enclosure top part yellow, 1 control point metal, control point in center, EMERGENCY STOP palm pushbutton, red, positive latching, pull-to-unlatch mechanism, 1 NC, 1 NO, screw terminal, floor mounting

Article Number: 3SU1851-2NG00-2AA2

Key Features:

• Safety Function: Complete emergency stop assembly with red palm pushbutton design in robust metal enclosure
• Enclosure: 22mm round metal construction with high-visibility yellow top part
• Palm Design: Large surface area palm pushbutton for emergency activation in demanding environments
• Operation: Pull-to-unlatch mechanism for secure emergency stop activation
• Dual Contacts: 1 NC + 1 NO contact configuration for versatile safety circuits
• Connection: Screw terminal for secure electrical connections
• Mounting: Floor mounting design for ground-level emergency access
• Industrial Grade: Metal construction provides superior durability and protection

Technical Specifications:

• Enclosure Size: 22 mm diameter, round
• Enclosure Material: Metal construction
• Pushbutton Type: Palm pushbutton, red
• Operation Type: Pull-to-unlatch, positive latching
• Contact Configuration: 1 NC + 1 NO (normally closed + normally open)
• Terminal Type: Screw terminal
• Enclosure Color: Yellow top part
• Button Color: Red (emergency stop standard)
• Control Point Material: Metal
• Control Point Location: Center positioned
• Net Weight: 0.659 kg
• Packaging Dimensions: 103.00 x 117.00 x 129.00 mm
• Quantity Unit: 1 Piece
• EAN: 4011209970335
• UPC: 804766476044
• Country of Origin: China

Product Benefits:

• Metal Enclosure: Superior durability and protection compared to plastic versions, ideal for harsh industrial environments
• Palm-Activated Design: Large surface area enables easy activation with palm, hand, or body contact in emergency situations
• High Visibility: Red palm button on yellow metal enclosure ensures maximum visibility for emergency identification
• Dual Contact Configuration: NC/NO contacts provide flexibility for complex safety circuits and system integration
• Pull-to-Unlatch: Safe reset mechanism prevents accidental restoration and ensures deliberate operator action
• Positive Latching: Maintains activated state until manually reset for reliable emergency stop function
• Floor Mounting: Optimized for ground-level emergency stop applications and pedestrian access
• Center Control Point: Centrally positioned for optimal activation ergonomics and visibility
• Robust Construction: Metal materials provide enhanced mechanical protection and EMI shielding
• Heavy-Duty Design: Substantial weight (0.659 kg) indicates robust construction for demanding applications
• Versatile Wiring: Dual contact types accommodate various safety circuit requirements

Applications: Essential safety device for floor-mounted emergency stop applications in harsh industrial environments where metal construction and palm-activated emergency shutdown are required. Perfect for heavy machinery, manufacturing equipment, conveyor systems, material handling installations, and outdoor applications where operators may need to quickly activate emergency stops with their palm or body. Ideal for environments exposed to mechanical stress, vibration, chemicals, or extreme temperatures where metal construction provides superior reliability over plastic alternatives.

Safety Features:

• Emergency Stop Function: Immediate circuit control for equipment shutdown
• Palm Activation: Large surface area for easy emergency contact in harsh conditions
• Visual Identification: Red button color universally recognized for emergency stop
• Metal Construction: Enhanced protection against physical damage and environmental factors
• Positive Latching: Maintains emergency state until manual reset
• Secure Reset: Pull-to-unlatch mechanism requires deliberate action to restore operation

Electrical Specifications:

• Contact Types: 1 NC (normally closed) + 1 NO (normally open)
• Operation: Push-to-stop, pull-to-unlatch
• Terminal Configuration: Screw type for secure emergency circuit connections
• Contact Flexibility: Dual contacts enable complex safety circuit designs

Installation Features:

• Floor Mounting: Designed for base-level safety installations
• Central Control Point: Optimized positioning for emergency access
• Metal Control Point: Enhanced durability and professional appearance
• Secure Connections: Screw terminals for reliable safety circuit wiring

Environmental Benefits:

• Metal Construction: Superior resistance to chemicals, UV exposure, and temperature extremes
• EMI Shielding: Metal enclosure provides electromagnetic interference protection
• Vibration Resistance: Robust construction withstands high-vibration industrial environments
• Corrosion Resistance: Metal materials designed for industrial environment durability

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: This product contains substances from the candidate list in concentrations higher than 0.1% w/w:

• Lead

Based on current information, these substances do not pose risk when used as intended. Please refer to product documentation for complete details.

Download existing graphical data for this product:

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