Siemens Emergency stop mushroom-type actuator, red

Product Overview

SKU: 3SU1150-1HB20-1CH0

This SIRIUS ACT emergency stop mushroom pushbutton is a professional-grade safety device designed for critical safety applications. The unit features a 22mm round, metal construction with shiny finish, red 40mm mushroom head, positive latching mechanism according to EN ISO 13850, rotate-to-unlatch operation, yellow backing plate with "NOT-HALT" inscription, holder, 1 NC contact, and screw terminal connections.

Key Features:

• Emergency Stop Function: Compliant with DIN EN ISO 13850 safety standard
• Size: 22mm round design with 40mm mushroom diameter
• Contact Configuration: 1 NC (Normally Closed) contact
• Material: Metal construction with shiny finish for durability
• Color: Red mushroom actuator with yellow backing plate
• Operation: Positive latching with rotate-to-unlatch mechanism
• Connection: Screw terminal connections
• Protection Rating: IP66/IP67/IP69K rated for harsh industrial environments
• Series: Part of the SIRIUS ACT 3SU11 series
• Inscription: "NOT-HALT" marking on yellow backing plate

Technical Specifications:

• Operating Voltage: 5V to 500V AC/DC
• Current Rating: 10A supply current
• Operating Temperature: -25°C to +70°C
• Mounting Diameter: 22.3mm
• Mushroom Diameter: 40mm
• Net Weight: 0.127 kg
• Electrical Endurance: 10,000,000 switching cycles
• Mechanical Service Life: 10,000,000 operations
• Contact Material: Silver alloy
• Safety Standard: DIN EN ISO 13850 compliant
• Release Mechanism: Rotate-to-unlatch (twist release)

Safety & Compliance:

• Emergency Stop Standard: DIN EN ISO 13850 certified
• Positive Latching: Ensures reliable emergency stop function
• Tamper-Proof Design: Prevents accidental reset
• Yellow Backing Plate: High visibility safety indicator
• Metal Construction: Enhanced durability for safety-critical applications

Applications: Essential for emergency stop applications in industrial machinery, manufacturing equipment, process control systems, automated production lines, and safety-critical environments where reliable emergency shutdown is required. Ideal for applications requiring compliance with international safety standards.

Compliance & Standards:

• RoHS compliant since 01.10.2014
• DIN EN ISO 13850 emergency stop standard
• CE, UL, CSA, CCC, and EAC approved
• Country of origin: Germany
• WEEE (2012/19/EU) Take-Back Obligation: Yes
• Degree of protection: IP66/IP67/IP69K
• NEMA ratings available

Package Information:

• EAN: 4011209956865
• Packaging Dimensions: 50.00 x 120.00 x 40.00 mm
• Quantity Unit: 1 Piece

Download existing graphical data for this product:

• Official Product Datasheet (PDF)
• Product Family Catalog
• SIRIUS ACT Product Information
• Technical Support Documentation