Siemens 3SU1050-4BF01-0AA0 RONIS Key-Operated Switch, 22 mm Metal, SB30 Lock, 2 Positions (O-I) Original Brand New

Overview

The Siemens 3SU1050-4BF01-0AA0 is a premium-quality RONIS key-operated switch designed for industrial control panels that require secure and reliable actuation. With a durable 22 mm metal construction, a shiny finish, and SB30 lock mechanism, this switch is engineered to withstand demanding operating environments while ensuring controlled access. It features two switch positions (O–I), latching operation, and an actuating angle of 90°, making it ideal for safety circuits, machine controls, and restricted-access applications.

Benefit

• Enhanced Security – Key-operation prevents unauthorized activation.

• Industrial-Grade Durability – Metal body ensures long life in harsh environments.

• Smooth & Precise Control – 90° actuating angle with well-defined positions O–I.

• Flexible Locking Options – Supports SB30 lock standard with optional special locks (SB31, 421, 455).

• Easy Integration – Fits standard 22 mm mounting systems for quick installation.

Features & Function

• Lock Number: SB30 (standard), optional SB31 / 421 / 455

• Structure: Round, metal, shiny finish

• Switch Positions: 2 positions (O–I)

• Operation Type: Latching

• Actuating Angle: 90° (positions at 10:30h / 13:30h)

• Key Removal: In position “O”

• Keys Included: 2 high-quality RONIS keys

Application

This key-operated switch is ideal for use in:

• Access Control: Locking control panels or machinery startup sequences.

• Mode Selection: Selecting between "Manual" and "Automatic" modes where key access is required.

• Emergency Overrides: Securing reset functions after an emergency stop.

• Safety Interlocks: Ensuring a machine guard is closed or a specific condition is met before operation is possible.

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Datasheet in PDF

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