Many procurement teams check EP9128-0021 against Beckhoff Ep9224 0023, Beckhoff Ep1111 0000 and Beckhoff Er8309 1022 before signing purchase orders, verifying quality, compliance, and after-sales support availability.
EP9128-0021 - Beckhoff EtherCAT Box System
EP9128-0021 Beckhoff EtherCAT Box System Technical Specifications

| Brand | Beckhoff |
| Product Type | EtherCAT Box System |
| Product | EP9128-0021 |
EP9128-0021 Beckhoff EtherCAT Box System Technical Specifications
| Specification | Value |
|---|---|
| Protocol | EtherCAT |
| Bus interface | 8 x M8, shielded |
| Operating temperature | -25...+60Β°C |
| Storage temperature | -40...+85Β°C |
| 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. | IP65/66/67 (conforms to EN 60529)/variable |
| Approvals/markings | CE, UL |
| Housing - Dimensions (W x H x D) | 60 mm x 126 mm x 26.5 mm |
| Housing - Material | PA6 (polyamide) |
| Housing - Installation | 2 fixing holes 3.5 mm diameter for M3; 2 fixing holes 4.5 mm diameter for M4 |
| Connection method | M8 socket, 4-pin |
| Data transfer rates | 100 Mbit/s |







