Many procurement teams check EL6685 against Beckhoff El9410, El9550 Beckhoff and Beckhoff El2809 before signing purchase orders, verifying quality, compliance, and after-sales support availability.
EL6685 - Beckhoff EtherCAT Communication Interface
EL6685 Beckhoff EtherCAT Communication Interface Technical Specifications

| Brand | Beckhoff |
| Product Type | EtherCAT Communication Interface |
| Product | EL6685 |
EL6685 Beckhoff EtherCAT Communication Interface Technical Specifications
| Specification | Value |
|---|---|
| Technology | reference oscillator |
| Distributed clocks | yes |
| Current consumption power contacts | typ. 50 mA |
| Weight | approx. 50 g |
| Operating temperature | 0…55°C |
| Storage temperature | -25…+85°C |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. rating/installation pos. | IP20/variable |
| Approvals/markings | CE |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 12Â mm x 100Â mm x 68 mm |
| Housing - Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Housing - Side by side mounting by means of | double slot and key connection |
| Housing - Marking | labeling of the BZxxxx series |
| Housing - Current load power contacts | Imax: 10 A |
| Specification | basic oscillator accuracy ±5 ppm |







