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Siemens Keyed Selector Switch: 3 Position, 22 mm Panel Mounting Size - Panel-Mounted Key Switches without Contacts
SiemensPanel-Mounted Key Switches without Contacts

Siemens Keyed Selector Switch: 3 Position, 22 mm Panel Mounting Size

The SIEMENS Keyed Selector Switch is a 3-position, 22 mm panel-mounting-size switch from the Series 3SU, without contacts. It features a Maintained/Maintained/Maintained switch action and a key removal position of…

SKU 3G-OTH-33226

Also listed as: 3SU10005BL210AA0 · 3SU1000 5BL21 0AA0

Brand
Siemens
Item
Keyed Selector Switch: 3 Position, 22 mm Panel Mounting Size
Category
Panel-Mounted Key Switches without Contacts
Available to Order
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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

Technical Specifications

Siemens
Manufacturer Part Number
3SU1000-5BL21-0AA0
Switch Action
Maintained/Maintained/Maintained
Key Removal Position
Left

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Keyed Selector Switch is a 3-position, 22 mm panel-mounting-size switch from the Series 3SU, without contacts. It features a Maintained/Maintained/Maintained switch action and a key removal position of Left. The manufacturer part number is 3SU1000-5BL21-0AA0.

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 3SU1000-5BL21-0AA0 keyed selector switch used for?

The SIEMENS 3SU1000-5BL21-0AA0 is a 3-position, 22 mm panel-mount keyed selector switch without contacts. It is used in industrial control panels for secure mode selection, requiring a key to change positions, with key removal only in the left position.

What are the specifications of the SIEMENS 3SU1000-5BL21-0AA0?

The SIEMENS 3SU1000-5BL21-0AA0 is a Series 3SU keyed selector switch with a 22 mm panel mounting size. It has a Maintained/Maintained/Maintained switch action and a key removal position of Left. It is supplied without contacts.

Where to buy the SIEMENS 3SU1000-5BL21-0AA0 worldwide?

You can source the SIEMENS 3SU1000-5BL21-0AA0 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the SIEMENS 3SU1000-5BL21-0AA0 keyed selector switch?

Install the SIEMENS 3SU1000-5BL21-0AA0 into a 22 mm panel cutout. Secure it with the provided mounting nut. Wire the required contact blocks separately, as this switch is supplied without contacts. Always follow Siemens installation guidelines for safety.

Used in

Common applications for Siemens
District 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.

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