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B&R · B&R X20 I/O module
X20SI4100 is a B&R circuit breaker with Breaking capacity Icu/Ics Type 1; Supply voltage 24 V DC (IEC 61131-2); Enclosure rating IP20 (IEC 60529). It is used in distribution boards, motor protection circuits, panel feeders where the installed unit is matched to the original catalog number and a compact, documented part is required.
| Electrical | |
| Rated insulation voltage Ui | 500 V eff |
|---|---|
| Breaking capacity Icu/Ics | Type 1 |
| Supply voltage | 24 V DC (IEC 61131-2) |
| Input voltage range | 24 VDC -15% / +20% |
| Output current | 100 mA, hardware revision J0 and later: 50 mA |
| I/O and communication | |
| Bus interface | 0.32 W |
| Communication ports | POWERLINK, Ethernet |
| Input type | Sink |
| Mechanical | |
| Mounting | 35 mm DIN rail (IEC 60715) |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | 0...+55 °C (IEC 60068-2-1) |
| Certifications | CE, UL, cULus |
Values follow the B&R B&R X20 I/O module specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| B&R B&R X20 I/O module variants | |||
| Catalog number | Breaking capacity Icu/Ics | ||
|---|---|---|---|
| X20SI4100 (this page) | Type 1 | ||
| X20SI2100 | Type 1 | ||
| X20SI9100 | Type 1 | ||
| X20SC2212 | Type 1 | ||
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The X20SI4100 is the device-level element in a B&R circuit breaker installation. It receives the field signals and control supply listed above — 24 V DC (IEC 61131-2) — and switches or conditions the load within the the rated ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, not to a generic assumption.
Typical installations place it in distribution boards, motor protection circuits, panel feeders, where the unit is matched to the original catalog number and the enclosure provides 35 mm DIN rail (IEC 60715) support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Industrial X20SI4100 — Industrial automation component supplied as a like-for-like replacement, selected by catalog number and published ratings. The figures below are taken from the specification table on this page for catalog number X20SI4100; size the surrounding wiring and upstream protection to these published ratings rather than to a generic assumption.
Available from stock with datasheet, certificates and a quotation on request.
Q.For X20SI4100, what does the specification table state about input type?
The specification table lists input type = Sink for Industrial X20SI4100. Use the value as the reference when sourcing a current-production equivalent.
Q.Which value is published under certifications for catalog number X20SI4100?
For X20SI4100, certifications is given as CE, UL, cULus. Check the revision of the installed unit if the catalog number has been superseded.
Q.Before ordering X20SI4100, which supply voltage entry should be checked?
The supply voltage entry quoted above is 24 V DC (IEC 61131-2). Compare it with the nameplate of the installed unit before ordering.
Q.Can the X20SI4100 replace the unit currently installed in my panel?
Compare catalog number X20SI4100 and the ratings above with the nameplate of the installed device. A current-production equivalent is selected by function and electrical rating, not by the label alone.
Q.How do I confirm compatibility of X20SI4100 before ordering?
Match the catalog number X20SI4100 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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