Siemens 3SU1050-5BL21-0AA0 Panel-Mounted Key Switch
The SIEMENS Keyed Selector Switch, part of the Series 3SU, is a 3-position panel-mounted key switch without contacts, featuring a 22 mm mounting size. It offers a Maintained/Maintained/Maintained switch action with…
SKU 3G-OTH-32411
Also listed as: 3SU10505BL210AA0 · 3SU1050 5BL21 0AA0
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
Need installation or engineering help?
Ask a question
Product Description
The SIEMENS Keyed Selector Switch, part of the Series 3SU, is a 3-position panel-mounted key switch without contacts, featuring a 22 mm mounting size. It offers a Maintained/Maintained/Maintained switch action with key removal in the Left position. This component is identified by manufacturer part number 3SU1050-5BL21-0AA0.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the SIEMENS 3SU1050-5BL21-0AA0 keyed selector switch used for?
This SIEMENS 3-position keyed selector switch is used for secure machine control access in industrial environments. It requires a key to operate, preventing unauthorized use. Common applications include emergency stop circuits, mode selection, and access control on panels across manufacturing, process, and automation industries.
What are the specifications of the SIEMENS 3SU1050-5BL21-0AA0?
The SIEMENS 3SU1050-5BL21-0AA0 is a 3-position keyed selector switch with a 22 mm panel mounting size. It features Maintained/Maintained/Maintained switch action and key removal in the Left position. This unit is a panel-mounted key switch without contacts, part of the Series 3SU.
Where to buy the SIEMENS 3SU1050-5BL21-0AA0 worldwide?
3G Electric supplies the SIEMENS 3SU1050-5BL21-0AA0 keyed selector switch to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this genuine SIEMENS component.
How to install the SIEMENS 3SU1050-5BL21-0AA0 keyed selector switch?
Install the SIEMENS 3SU1050-5BL21-0AA0 by mounting it in a 22 mm panel cutout. Secure the switch with the provided locking ring. Wire the contact blocks (sold separately) per your control circuit. Always follow SIEMENS installation guidelines and disconnect power before installation to ensure safety.
Used in
Common applications for SiemensSiemens 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.