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IFM · circuit breaker
KN5108 is an IFM circuit breaker with Rated operational voltage <= 440 V AC; Breaking capacity Icu/Ics no; Supply voltage 10...30 V DC (IEC 60947-5-2). 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 operational voltage | <= 440 V AC |
|---|---|
| Breaking capacity Icu/Ics | no |
| Supply voltage | 10...30 V DC (IEC 60947-5-2) |
| Frequency | 5 |
| Overload capacity | no |
| Mechanical | |
| Dimensions (H x W x D) | 72 x 36 x 10 |
| Mounting | non-flush mountable |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | -25...+60 °C |
| Certifications | CE, cULus |
Values follow the IFM circuit breaker specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| IFM circuit breaker variants | |||
| Catalog number | Breaking capacity Icu/Ics | Rated operational voltage | |
|---|---|---|---|
| KN5108 (this page) | no | <= 440 V AC | |
| KN5100 | yes | <= 440 V AC | |
| KN5101 | yes | <= 440 V AC | |
| KN5102 | yes | <= 440 V AC | |
Verify model-specific dimensions, terminals and installation requirements in the manufacturer documentation before selecting an alternative.
The KN5108 is the device-level element in an IFM circuit breaker installation. It receives the field signals and control supply listed above — 10...30 V DC (IEC 60947-5-2) — and switches or conditions the load within the <= 440 V AC 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 non-flush mountable support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
IFM KN5108 Capacitive Sensor. See the manufacturer product information for this catalog number.
Available from stock with datasheet, certificates and a quotation on request.
Q.Where can I find the enclosure rating data for KN5108?
It is listed in the specification table for IFM KN5108 as IP20 (IEC 60529). Confirm this figure against the unit currently in the panel.
Q.For KN5108, what does the specification table state about certifications?
The specification table lists certifications = CE, cULus for IFM KN5108. Use the value as the reference when sourcing a current-production equivalent.
Q.Which value is published under mounting for catalog number KN5108?
For KN5108, mounting is given as non-flush mountable. Check the revision of the installed unit if the catalog number has been superseded.
Q.Can the KN5108 replace the unit currently installed in my panel?
Compare catalog number KN5108 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 KN5108 before ordering?
Match the catalog number KN5108 and the specification values listed above against the installed unit, then confirm the firmware or hardware revision where a revision-sensitive part is involved.
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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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