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Beckhoff · EtherCAT Terminal
EL6688 is a Beckhoff circuit breaker with Breaking capacity Icu/Ics status LEDs; 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 | |
| Breaking capacity Icu/Ics | status LEDs |
|---|---|
| Supply voltage | 24 V DC (IEC 61131-2) |
| I/O and communication | |
| Bus interface | Ethernet (IEEE 802.3) |
| Communication ports | EtherCAT, Ethernet |
| Mechanical | |
| Dimensions (H x W x D) | 24 mm x 100 mm x 52 mm |
| Weight | approx. 75 g |
| Mounting | 35 mm DIN rail (IEC 60715) |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | 0...+55 °C (IEC 60068-2-1) |
| Storage temperature | -25…+85°C |
| Certifications | CE, UL, cULus |
| Humidity | 95%, no condensation |
Values follow the Beckhoff EtherCAT Terminal specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| Beckhoff EtherCAT Terminal variants | |||
| Catalog number | Breaking capacity Icu/Ics | ||
|---|---|---|---|
| EL6688 (this page) | status LEDs | ||
| EL6601 | — | ||
| EL6614 | status LEDs | ||
| EL6631-0010 | status LEDs | ||
Before selecting an alternative, confirm its dimensions, terminals and installation requirements in the manufacturer documentation.
The EL6688 is the device-level element in a Beckhoff 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.
Beckhoff EL6688 — 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 EL6688; record the nameplate data of the unit being replaced before selecting an equivalent.
Cross-check the ratings above with the installed device before confirming the order.
Q.Which value is published under weight for catalog number EL6688?
For EL6688, weight is given as approx. 75 g. Check the revision of the installed unit if the catalog number has been superseded.
Q.Before ordering EL6688, which storage temperature entry should be checked?
The storage temperature entry quoted above is -25…+85°C. Compare it with the nameplate of the installed unit before ordering.
Q.Where can I find the dimensions (H x W x D) data for EL6688?
It is listed in the specification table for Beckhoff EL6688 as 24 mm x 100 mm x 52 mm. Confirm this figure against the unit currently in the panel.
Q.Can the EL6688 replace the unit currently installed in my panel?
Compare catalog number EL6688 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 EL6688 before ordering?
Match the catalog number EL6688 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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