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Siemens 3SU1100-4BF11-1FA0 RONIS Key-Operated Switch

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ManufacturerSiemens

Part number3SU1100-4BF11-1FA0

Type Key-operated switch

Series 3SU1

Actuator Type RONIS key

Mount Size 22 mm

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Veteran-owned

CAGE: 9NK75

RONIS key operation 22mm round mounting Latching mechanism 1 NO + 1 NC contacts SB30 lock with 2 keys Screw terminals

Product description

The Siemens 3SU1100-4BF11-1FA0 is a RONIS key-operated switch from the 3SU1 series. This 22mm round plastic switch features a latching mechanism with two positions (O-I) and key removal at both positions. It includes a holder, 1 Normally Open (NO) and 1 Normally Closed (NC) contact, and screw terminals. The lock number is SB30, and it comes with two keys, with compatibility for special locks SB31, 421, and 455.

This key-operated switch is ideal for applications requiring secure control and access, such as in industrial machinery, control panels, and building access systems. Its durable plastic construction and RONIS locking mechanism ensure reliable operation in various industrial environments.

Source your Siemens 3SU1100-4BF11-1FA0 from Stanlo Automation, a veteran-owned surplus parts distributor. We offer reliable access to essential industrial automation components, ensuring your operations run smoothly with quality parts.

Technical specifications

Type	Key-operated switch
Series	3SU1
Actuator Type	RONIS key
Mount Size	22 mm
Shape	Round
Material	Plastic
Lock Number	SB30
Positions	2 (O-I)
Operation	Latching
Key Removal	O+I
Contacts	1 NO, 1 NC
Terminals	Screw

Common applications

Control panels

Industrial machinery

Security systems

Building access

Plant automation

Safety interlocks

Also known as

Siemens 3SU1RONIS key switch 3SU11004BF111FA0 Siemens 22mm key switch

Technical note

Expert tip

Ensure proper alignment of the actuator and key for reliable engagement and disengagement of the latching mechanism.

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Frequently asked questions

What are the contact configurations for the Siemens 3SU1100-4BF11-1FA0?

The Siemens 3SU1100-4BF11-1FA0 key-operated switch is equipped with one Normally Open (NO) and one Normally Closed (NC) contact. This configuration allows for versatile control and interlocking functions within automation systems.