Home › Manufacturers › Siemens › 3SU1050-4BF11-0AA0

Siemens

Siemens 3SU1050-4BF11-0AA0 RONIS Key-Operated Switch - Key Removal O+I

Siemens 3SU1050-4BF11-0AA0 RONIS 22mm key switch, key removal O+I.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3SU1050-4BF11-0AA0

Mounting 22 mm

Type Round

Material Metal

Finish Shiny

Get a price for 3SU1050-4BF11-0AA0

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

22mm mounting RONIS lock system Latching operation Metal construction 90° actuating angle Key removal in 'O' and 'I' positions

Product description

The Siemens 3SU1050-4BF11-0AA0 is a RONIS key-operated switch designed for 22mm panel cutouts. This round, metal, shiny switch is equipped with lock number SB30 and comes with two keys. It provides two switch positions, O-I, with latching operation and an actuating angle of 90°. A key feature is the key removal capability in both the 'O' and 'I' positions.

Ideal for industrial automation, control panels, and machinery where sequential operation and key management are critical. This switch can be employed in applications requiring secure power or circuit control across various manufacturing sectors.

Stanlo Automation, your trusted veteran-owned source for industrial surplus, offers the Siemens 3SU1050-4BF11-0AA0. Rely on us for cost-effective, quality components to maintain your automation systems.

Technical specifications

Mounting	22 mm
Type	Round
Material	Metal
Finish	Shiny
Lock Number	SB30
Keys	2
Switch Positions	2 (O-I)
Operation	Latching
Actuating Angle	90°
Key Removal	O+I

Common applications

Industrial control

Machine safety

Electrical panels

Access control systems

Manufacturing automation

Process control

Compatible systems

Siemens 3SU1 Series control units

Also known as

Siemens RONIS 22mm switch 3SU1050-4BF11 Siemens key switch O+I

Replaces / compatible with

Compatible with Siemens 3SU1 series control units and accessories.

Technical note

Expert tip

The dual key removal feature on the 3SU1050-4BF11-0AA0 is particularly useful in applications where the operator needs to secure the 'On' state without leaving the key in the switch.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is unique about the key removal for the Siemens 3SU1050-4BF11-0AA0?

Unlike some key switches, the Siemens 3SU1050-4BF11-0AA0 allows the key to be removed in both the 'O' (Off) and 'I' (On) positions. This offers greater flexibility in managing switch states and access.