AX5118-0000 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff AX5118-0000 is part of the AX Digital Servo Drives series and has a nominal output current of 18 Amps and a peak output current of 36 Amps. It features an apparent power rating of 12.5 kVA at 400 V and offers 8 digital inputs with an IP20 protection rating. The drive has dimensions of 317.70 mm in height, 185 mm in width, and 232 mm in depth.
Internal Product Review
The AX5118-0000 is a Beckhoff digital servo drive with 18 A nominal output current and 36 A peak output current. IP20 protection and 8 digital inputs make the platform well suited for organized cabinet installation and efficient machine interfacing. A 32 kW maximum external brake power stands out as a valuable advantage for dynamic axis applications.
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Product Description:
The AX5118-0000 is a digital servo drive produced by Beckhoff for the AX Digital Servo Drives series. In an automated cell, the unit interfaces between the mains supply and a synchronous or induction servo motor, shaping voltage and current so that position, speed, and torque follow controller commands with high precision. By combining power electronics with encoder evaluation and fieldbus connectivity, the drive occupies the central control slot in motion axes that demand coordinated, repeatable movement.
When powered from a 400 V line, the converter can supply an apparent power of 12.5 kVA, establishing the maximum volt-ampere capacity available to the motor windings. The continuous output path is rated at 18 A, while short accelerations are served by a peak capability of 36 A; these values guide cable sizing and inverter thermal design. Internal circuitry tolerates a DC link potential up to 875 VDC, and that link is stabilized by a storage bank totaling 1485 µF, which smooths regenerated energy during rapid deceleration. In steady operation the unit dissipates 255 W of heat, so cabinet ventilation must remove that loss. For dynamic braking, the external resistor may not fall below 22 Ω; this limit keeps surge currents within the drive’s semiconductor ratings.
The braking stage can absorb 200 W continuously and, during short stops, channel as much as 32 kW into an external resistor without derating. An auxiliary output can furnish 0.5 A to peripheral devices, and eight digital inputs accept step limits, enable lines, or latch functions from the machine controller. Feedback transducers are powered by a dedicated 1 A sensor supply, separating logic loads from motor currents. Installation is simplified by the enclosure dimensions—width 185 mm, depth 232 mm, and height 317.70 mm—which fit standard 300 mm-deep panels. The housing is classified as IP20, indicating finger-safe construction that still requires mounting inside a protected electrical cabinet.
