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Silver 22 mm selector switch, keyed metal head, black plastic bezel

SIEMENS

SIEMENS 3SU1100-4BF11-1BA0 Non-Illuminated Selector Switch 22 mm 1NO Silver

SKU CH-0R5P-QFBGT

Non-illuminated 22 mm selector switch with 1NO contact, silver metal operator and IP66, IP67, IP69, IP69K sealing

  • Engine BrandSIEMENS
  • Engine Size22 mm
  • Keyed operator prevents unauthorised use
  • IP69K rating withstands high-pressure washdown
  • 10 A AC rating handles heavy control circuits
  • 22 mm mounting fits standard panels
  • Maintained two-position action holds selected state

Industrial Selector Switch 22 mm

The SIEMENS 3SU1100-4BF11-1BA0 is a non-illuminated selector switch designed for industrial control panels. It suits operators who need a durable two-position maintained action with a single normally open contact. The keyed metal operator head and silver finish provide clear tactile feedback in demanding environments.

Thermals Noise and Power Draw

As a passive electromechanical component the switch generates no heat and produces no audible noise during operation. It carries a contact rating of 10A at 600V AC and 1A at 600V DC with NEMA designation A600/R300. Power consumption is limited to the control circuit it completes.

Bundled Accessories and Software

The unit ships as a complete operator assembly with a black plastic bezel and metal head; no cam is included. The IP20, IP66, IP67, IP69 and IP69K ratings plus NEMA 1, 12, 2, 3, 3R, 4, 4X ensure sealing against dust and high-pressure washdown. Buyers who need illuminated actuation or additional contact blocks must source those separately.

Highlights

  • Keyed operator prevents unauthorised use
  • IP69K rating withstands high-pressure washdown
  • 10 A AC rating handles heavy control circuits
  • 22 mm mounting fits standard panels
  • Maintained two-position action holds selected state

Specifications

Engine BrandSIEMENS
Engine Size22 mm

Questions about this item

How do I mount the 22 mm selector switch in a panel and what is the common mistake?

Drill a 22 mm cut-out, insert the operator head, and secure the plastic bezel with the locking nut; the step often missed is tightening the nut to the specified torque so the IP66/IP67 seal seats evenly.

Which part will need replacement after extended operation?

The 1NO contact block rated 10 A at 600 V AC (A600/R300) is the wear item; replace the block when switching becomes unreliable instead of the whole operator.

What thermal or electrical limit appears first during continuous duty?

The contact rating of 10 A at 600 V AC (1 A at 600 V DC) is the limiting factor; sustained currents above this level will overheat the contact block before the IP69K enclosure is stressed.

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