SiemensPanel-Mounted Key Switches without Contacts
Siemens Keyed Selector Switch: 2 Position, 22 mm Panel Mounting Size
The SIEMENS Keyed Selector Switch, Series 3SU, is a 2-position, 22 mm panel-mounting key switch without contacts (MPN 3SU1050-5BF11-0AA0). It features a Maintained/Maintained switch action and allows key removal in…
SKU 3G-OTH-31566
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The SIEMENS Keyed Selector Switch, Series 3SU, is a 2-position, 22 mm panel-mounting key switch without contacts (MPN 3SU1050-5BF11-0AA0). It features a Maintained/Maintained switch action and allows key removal in any position.
Used in
Common applications for SiemensDistrict cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks
Siemens Products
3G Electric supplies Siemens panel-mounted key switches without contacts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
