3SU Command & Signaling Devices — Available Products
SIEMENS 3SU1400-1AA10-3CA0
$62.00
Siemens 3SU1400-1AA10-3FA0
$164.00
Siemens 3SU1400-1AA10-1DA0
$100.00
Siemens 3SU1801-0NA00-2AC2
$470.00
Siemens 3SU1400-2AA10-3CA0
$70.00
Siemens 3SU1400-2AA10-3BA0
$136.00
Siemens 3SU1050-1HB20-0AA0
$60.00
SIEMENS 3SU1400-1AA10-3BA0
$58.00
SIEMENS 3SU1401-1BH20-1AA0
$0.00
Siemens 3SU1401-1BB60-1AA0
$70.00
SIEMENS 3SU1400-1AA10-1FA0
$42.00
Siemens 3SU1000-1HB20-0AA0
$40.00
Siemens 3SU1802-0AA00-0AB1
$157.00
Siemens 3SU1801-0AA00-0AB1
$131.00
Siemens 3SU1803-0AA00-0AB1
$160.00
Siemens 3SU1801-0NB00-2AC2
$346.00
Siemens 3SU1400-2AA10-1BA0
$30.00
Siemens 3SU1400-1AA10-1EA0
$40.00
Siemens 3SU1400-2AA10-1CA0
$30.00
Siemens 3SU1400-1AA10-3HA0
$100.00
Siemens 3SU1400-1AA10-1HA0
$40.00
SIEMENS 3SU1400-1AA10-1BA0
$32.00
SIEMENS 3SU1400-1AA10-1CA0
$32.00
Overview
The 3SU1 platform is the modern Siemens standard for 22 mm panel-mount command and signaling.
Machine down? We ship 3SU Command & Signaling Devices parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Series in this family
Compatible & related families
Why Buy From PALM Parts Solution
DHL, FedEx, UPS — door-to-door in 1-4 business days.
In-stock orders placed before 3pm ET ship the same day.
New, surplus and refurbished Siemens inventory ready to ship.
24/7 emergency sourcing for production-critical failures.
Custom pricing on volume, repair, and hard-to-find SKUs.
Talk to engineers, not call-center agents.
We hunt down discontinued and obsolete parts globally.
Lifecycle-end Siemens parts — sourced, tested, warrantied.
Frequently asked questions
What is the 3SU Command & Signaling Devices family used for?
The 3SU Command & Signaling Devices family from Siemens covers industrial automation applications such as machine control, process control, motor control and discrete I/O. Browse the series below to find the exact part number for your installation.
Are obsolete 3SU Command & Signaling Devices parts still available?
Yes. We stock new surplus, refurbished and end-of-life 3SU Command & Signaling Devices units from Siemens. If a part number is no longer in production we will identify a compatible replacement or repair your existing module.
How do I identify the correct 3SU Command & Signaling Devices replacement?
Match the catalog number printed on the 3SU Command & Signaling Devices label, then confirm voltage, I/O count, communication protocol and firmware revision. Our team can validate compatibility against your original Siemens configuration before shipment.
Do 3SU Command & Signaling Devices parts come tested?
Every 3SU Command & Signaling Devices unit we ship is functionally tested against Siemens OEM specifications. Refurbished items include a 1-year warranty and a full inspection report on request.