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Silver metal selector switch 22 mm keyed operator two position maintained action

SIEMENS

SIEMENS 3SU1150-4BF11-1BA0 Non-Illuminated Selector Switch 22 mm 1NO Silver

SKU CH-GCHD-JZ74W

A 22 mm metal selector switch with two maintained positions, one normally-open contact rated 10 A at 600 V AC, and IP66/IP67/IP69K sealing

  • Brand nameSIEMENS
  • Engine size22 mm
  • 22 mm mounting fits standard panels
  • 10 A at 600 V AC handles heavy loads
  • IP66 IP67 IP69 IP69K resists water and dust ingress
  • Metal operator head and bezel withstand industrial wear
  • Keyed two-position maintained action provides secure control

22 mm Silver Selector Switch

This Siemens 3SU1150-4BF11-1BA0 is a non-illuminated, keyed selector switch with a 22 mm metal operator head and silver bezel. It provides a maintained two-position action with one normally-open contact rated at 10 A 600 V AC and 1 A 600 V DC. The unit carries NEMA 1, 2, 3, 3R, 4, 4X and IP20, IP66, IP67, IP69, IP69K ratings for harsh environments.

Industrial Panel Builders and Maintenance Teams

The switch suits panels that need a rugged, key-operated selector with high ingress protection and a 10 A AC contact rating. It is not intended for applications requiring illuminated indication, momentary action, multiple contact blocks, or cam-driven sequences. Buyers needing a different contact configuration or a non-keyed operator should look at alternative devices.

Panel Cut-out and Wiring Compatibility

Verify that the panel provides a standard 22 mm mounting hole and sufficient depth for the metal operator body. Confirm the control circuit voltage does not exceed 600 V AC or 600 V DC and that the 10 A AC / 1 A DC rating matches the load. Ensure the wiring scheme matches the single normally-open contact and maintained positions marked O and X.

How it compares

Measured against everything we stock in Bench & DC Power Supplies, at today’s prices. Recalculated every night.

Price $61.99
Pricier than about 62% of the 677 comparable items (median $33.99).

Specifications

Product
Brand nameSIEMENS
Size & build
Engine size22 mm

Questions about this item

What panel cut-out size does the 22 mm selector switch need?

The switch mounts in a standard 22 mm panel cut-out and uses a metal bezel that fits the same opening.

Will the A600/R300 contact rating work with my existing 600 V control relays?

Yes, the contacts are rated 10 A at 600 V AC and 1 A at 600 V DC, matching A600/R300 relay coils.

How can I verify the maintained positions are functioning after wiring?

Turn the key to each position; the contact block should show continuity at position B and open at position A as marked O and X.

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