Siemens Ronis key-operated switch, lock number SB31 Part number 3SU1050-4BF11-0AA0

RONIS key-operated switch, 22 mm, round, metal, shiny, lock number SB30, with 2 keys, 2 switch positions O-I, latching, actuating angle 90°, 10:30h/13:30h, key removal O+I, possible special locks: SB31, 421, 455. Part of the SIRIUS ACT series, this key-operated switch provides secure switching control with RONIS lock technology and latching operation. The key can be removed from both switch positions, offering maximum flexibility for security applications and controlled access systems.

Article Number: 3SU1050-4BF11-0AA0

Technical Specifications:

• Switch Type: Key-operated switch with RONIS lock system
• Design: Round, flush mount
• Material: Metal, shiny finish
• Mounting Diameter: 22.3 mm
• Opening Width: 29.5 mm
• Opening Height: 49.4 mm
• Switch Positions: 2 positions (O-I)
• Contact Type: Latching operation
• Actuating Angle: 90°
• Key Positions: 10:30h/13:30h
• Key Removal: Both positions (O+I)
• Lock Number: SB30 (standard)
• Keys Included: 2 keys
• Special Lock Options: SB31, 421, 455 available

Protection & Ratings:

• Protection Rating: IP66/IP67/IP69K
• NEMA Rating: 4X
• Operating Temperature: -25 to 70°C
• Storage Temperature: -40 to 80°C
• Relative Humidity: 10 to 95%

Physical Properties:

• Net Weight: 0.078 kg
• Packaging Dimensions: 90.00 x 100.00 x 30.00 mm
• EAN: 4011209970809
• Country of Origin: Czech Republic
• Packaging Quantity: 1 piece

Security Features:

• RONIS Lock System: Enhanced security with professional lock mechanism
• Dual Key Removal: Removable key from both O and I positions for maximum security flexibility
• Latching Operation: Maintains selected position until manually switched
• 90° Actuating Angle: Clear, positive switching action
• Tamper Resistance: Robust metal construction prevents unauthorized access
• Multiple Lock Options: Compatible with various lock numbers (SB31, 421, 455) for comprehensive key management systems

Applications:

• Industrial Control Systems: Secure operation of machinery and equipment
• Safety Circuits: Controlled access to safety-critical functions
• Process Control: Latching operation for maintained control states
• Security Systems: Dual key removal positions for enhanced access control
• Maintenance Mode Selection: Secure switching between operational modes

Compliance & Environmental:

• Product Lifecycle: PM300: Active Product
• RoHS Compliance: Since 01.10.2014
• Export Control: AL: N / ECCN: N
• WEEE Take-Back Obligation: Yes
• REACH Article 33: Compliant - No SVHC substances currently identified

Classification:

• eClass: 27-37-12-13 (versions 6, 7.1, 8, 9, 9.1, 12, 14)
• ETIM: EC000222 (versions 7, 8, 9)
• UNSPSC: 39-12-22-21

Download existing graphical data for this product:

• Technical Datasheet (PDF)
• Product Information
• CAD Models and Drawings
• Technical Support & Documentation