EL9150 Beckhoff
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MPN: EL9150-0000
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The Beckhoff EL9150 is part of the EL EtherCAT Terminals series and is designed for use on a 35 mm mounting rail. It supports a nominal voltage of 230 VAC and allows a maximum power contact current of 10 Amps. The terminal features IP20 protection, a power LED, and operates reliably up to a height of 2000 meters.
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Product Description:
The EL9150 power supply terminal is produced by Beckhoff and is part of the EL EtherCAT Terminals series. In an EtherCAT I/O station, it introduces line power to the power contacts so downstream modules receive the required operating voltage while the communication bus remains electrically isolated from the field supply. The module is used when separate supply groups must be managed within a single terminal string, allowing a segment to be power-cycled, protective devices to be added, or connected loads to be serviced without interrupting other channels in the automation cell.
The terminal has a nominal voltage rating of 230 VAC (120 VAC), indicating the line levels that can be fed into its power contacts and distributed to neighboring I/O terminals. It includes one additional power contact, which routes the supply potential onward without passing through the internal electronics and helps minimize voltage drop across long terminal chains. To protect these conductors from overheating, the permissible continuous load is limited to 10 A. The housing provides IP20 protection through recessed conductive parts and a design that prevents accidental finger contact, so installation is limited to closed control cabinets or comparable enclosures. Mechanical anchoring uses a standard 35 mm DIN rail, enabling tool-free snap-on mounting beside analog or digital signal terminals while maintaining the alignment of the terminal assembly.
The terminal has an overvoltage rating of Category II, making it suitable for equipment connected to low-voltage distribution branches rather than outdoor feeders. Safe operation is permitted at altitudes up to 2000 m, above which reduced air density can impair heat dissipation and electrical insulation performance. A front-mounted Power LED provides immediate visual confirmation that the supply path is energized, which supports startup checks and operating-status observation. EtherCAT communication continues through a looped-through E-bus, allowing data frames to pass through the terminal independently of its field-power function and without additional communication wiring.
