EL9550-0012 Beckhoff
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The Beckhoff EL9550-0012 is part of the EL EtherCAT Terminals series and features a nominal voltage of 24 VDC with a surge filter type. It provides 10 amps for both field and system current, uses a 35 mm mounting rail, and is protected to IP20 class. The terminal has 8 connection points, supports variable installation positions, and includes two power LEDs.
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Product Description:
The EL9550-0012 is a power-supply surge-filter terminal manufactured by Beckhoff within the EL EtherCAT Terminals series. Installed between the main 24 V feed and individual I/O slices, the terminal limits line disturbances and distributes control voltage to field circuits in compact automation cabinets. By sharing the same 35 mm DIN rail as adjacent EtherCAT nodes, it supports modular expansion without extra wiring accessories. This placement helps keep the supply path short and orderly when several terminals are grouped in one station.
It accepts a nominal bus voltage of 24 VDC and routes up to 10 A of field current through its internal copper planes, allowing multiple sensors or valves to be powered from one source. A built-in surge filter suppresses high-frequency spikes from inductive loads, which helps reduce electrical stress on connected electronics. The housing has an IP20 protection class, so the terminal is intended for installation inside a closed control cabinet rather than in open machine areas. Mechanical attachment uses a 35 mm top-hat rail clip, and no configuration switches or software parameters are required before the terminal is energized.
The device supplies both field and logic lines, and its 10 A of system current rating suits upstream sources used by compact PLCs and drives. The front has 2 green power LEDs that show the status of the supply paths without relying on EtherCAT-based indication, because the terminal does not provide native diagnostics or E-bus reporting. Output wiring is handled through 8 spring-cage terminal points, which make daisy-chain connections easier when the mounting position varies along the rail. The protected outputs are arranged as field and system lines, which helps keep load distribution organized during startup and normal operation.
Frequently Asked Questions about EL9550-0012:
Q: What is the nominal voltage requirement for the EL9550-0012 terminal?
A: The EL9550-0012 has a nominal voltage rating of 24 VDC and supports typical industrial power needs.
Q: What type of filter protection comes with the EL9550-0012?
A: This terminal is equipped with surge filter type protection to safeguard connected equipment.
Q: What mounting rail size is required for the EL9550-0012?
A: The EL9550-0012 is designed for installation on a 35 mm mounting rail, compatible with standard DIN rail setups.
Q: Which supplies are protected by the EL9550-0012 terminal?
A: Both field and system supplies are protected in the EL9550-0012, ensuring comprehensive power distribution security.
Q: How many terminal points does the EL9550-0012 provide?
A: There are 8 terminal points available on the EL9550-0012, allowing multiple connections within a single module.
