The Siemens 3SU1100-0AB20-1BA0 is described by Siemens as: Pushbutton, 22 mm, round, plastic, red, pushbutton, flat, momentary contact type, with holder 1 NO, screw terminal.
Operator controls wear quickly on busy machines, and a complete 3SU1 unit is the fastest way to restore a broken button or lamp.
See our Siemens range.
Technical data
| Siemens order number | 3SU1100-0AB20-1BA0 |
|---|---|
| Product type designation | 3SU1 |
| Degree of protection | 1, 2, 3, 3R, 4, 4X, 12, 13 |
| Ambient temperature (operation) | -25 … +70 °C |
| Weight, approx. | 0.045 kg |
| Condition | New, original Siemens |
Features at a glance
- Pushbutton
- 22 mm
- Round
- Plastic
- Red
- Pushbutton
- Flat
- Momentary contact type
- With holder 1 NO
Typical applications
- Machine control panels
- Retrofits with 22 mm holes
- Indicator lights on panel doors
- Start, stop and selector functions
- Emergency stop circuits
Compatibility and replacement
SIRIUS ACT uses 22 mm mounting holes. Contact and LED modules can be changed separately on the holder.
Before you replace it
- Check the supply voltage and wiring of the old unit before installing the new one.
- Compare the full order number 3SU1100-0AB20-1BA0 with the label on the old unit, including the last digits (they identify the version).
- Back up the program and parameters from the old device if it still runs.
Frequently asked questions
What hole size does it need?
22 mm (22.3 mm cut-out per Siemens).
Can I change only the contact block?
Yes, 3SU1400 contact modules clip onto the holder.
Do you supply larger quantities for projects?
Yes. For panel builders and plant projects we quote complete lists; send the bill of materials on WhatsApp or through the inquiry form.
Can you help me identify the right replacement?
Yes. Send us a photo of the label of the old part, or its full order number, and we will confirm the exact match or the official successor before quoting.
How fast can you deliver, and is there a warranty?
Air shipping usually takes 5 to 7 days once the part is ready, to almost any country. Each part is new and original with a 1-year warranty. Message us on WhatsApp with the order number for a quotation.
Ordering tips
Send us the full order number from the label of the old part, or a clear photo of the label, together with the quantity you need. We check the number against the current manufacturer data before we quote and tell you if there is a newer replacement.
RendatSP ships from Yiwu, China, to factories worldwide; air delivery usually takes 5 to 7 days once the part is ready. The part is new and original with a 1-year warranty (shipping, payment and warranty). For a quotation, message us on WhatsApp with the order number and quantity. We also have agents in Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.
