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SIEMENS 3SU11004BF111BA0 Key Switch

The Siemens 3SU1100 series key-operated switch is a reliable industrial control component designed for protective and signaling applications. Featuring a 22mm round plastic body, it provides secure locking with two keys and two switch positions, making it suitable for automation and control panels. Its robust construction supports operation at up to 500V with mechanical durability rated for millions of cycles. The switch is IP66/IP67/IP69 rated for harsh environments, with quick-acting screw terminals, and is ideal for demanding industrial environments requiring long-lasting and safe operation.

Authorized Distributors
Source:DigiKey
Part No:3SU11004BF111BA0
Stock:1
Inv Date:05-29-2026
Price: Unit price: $134.77
Buy/RFQ:
Part No:3SU11004BF111BA0
Stock:5
Inv Date:05-30-2026
Price: Unit price: $126.37
Buy/RFQ:
Part No:3SU11004BF111BA0
Stock:5
Inv Date:05-29-2026
Price: Unit price: $133.14
Buy/RFQ:

SIEMENS 3SU11004BF111BA0 Key Switch Specifications:

  • Diameter: 22mm
  • Material: Plastic
  • Color: Black
  • Light source: Not specified
  • Insulation voltage: 500 V
  • Degree of pollution: Not specified
  • Shock resistance: 50 g / 11 ms
  • Vibration resistance: 10 ... 500 Hz, 5 g
  • Surge voltage resistance: 6 KV
  • Mechanical life: 10 million cycles
  • Electrical endurance: 10 million cycles
  • Thermal current: 10A
  • Protection class: IP66, IP67, IP69 (IPG9K)
  • Operating voltage: 10-500 V
  • Ambient temperature during operation: -25°C to +70°C
  • Ambient temperature during storage: -40°C to +80°C
  • Mounting diameter: 22mm
  • Mounting type: Front plate mounting
  • Height: 40mm
  • Width: 30mm
  • Shape: Round
  • Connection type: Screw terminal
  • Certifications: RoHS, CE

Buy the Siemens Series SIRIUS Key Switch: 3SU1100-4BF11-1BAO

Order the Siemens key switch 3SU1100-4BF11-1BAO online today for dependable performance in industrial controls. This 22mm round switch features robust plastic construction, secure locking with two keys, and multiple switching positions. Its IP69 rated design ensures operation in harsh environments, with excellent shock and vibration resistance. Easy to install with screw terminals, it is ideal for automation panels needing durable, high-quality control components. Shop now for fast, reliable delivery and improve your system's safety and functionality.

Get Siemens 3SU1100-4BF11-1BAO today—built for industrial control, long-lasting durability, and reliable locking security.

Frequently Asked Questions

Where can I buy SIEMENS 3SU11004BF111BA0?

You can click on the BUY or RFQ button to purchase 3SU11004BF111BA0 from an authorized SIEMENS distributor.

How do I troubleshoot issues or seek technical support for part 3SU11004BF111BA0?

You can download the 3SU11004BF111BA0 datasheet or visit the SIEMENS website for support.

Who is the manufacturer of 3SU11004BF111BA0?

SIEMENS

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