HC52550000243 Danaher
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The Danaher HC52550000243 is an incremental encoder that is part of the Dynapar Encoders series. It features a resolution of 5000 PPR, supports a maximum shaft speed of 10000 RPM, and uses a differential line driver output type. The encoder offers an IP54 enclosure rating and is flange mounted, with a shaft diameter of 3/8 inch.
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Product Description:
The HC52550000243 is an incremental rotary encoder produced by Danaher within the Dynapar Encoders series. As a feedback device, it attaches directly to a rotating shaft and converts angular motion into timed pulse trains. Drives, PLCs, and motion controllers can use these signals to monitor position and speed in real time for industrial automation tasks such as indexing, printing, and packaging.
This model delivers a resolution of 5000 PPR, meaning one full shaft revolution produces five thousand pulses before quadrature decoding is applied. Pulse quality is maintained within a frequency response of 250 kHz, supporting rapid signal transitions without exceeding the electrical output bandwidth. The encoder has a maximum shaft speed of 10,000 rpm, although the permitted operating speed must also account for the selected pulse resolution and receiving equipment. A shaft diameter of 3/8 in allows direct coupling to common motor or gearbox shafts. The housing carries an IP54 rating, providing limited protection against dust ingress and protection against splashing water. The unit produces quadrature A/B signals without an index output, so control logic must rely on incremental counts or an external reference for homing. Electrical connections are provided through a 3 ft side-exit cable, and flange mounting helps maintain concentric alignment during installation.
The mechanical assembly supports an axial load of 30 lb and a radial load of 40 lb, allowing it to tolerate coupling forces and moderate belt tension without auxiliary bearings. Only 1.0 oz-in of starting torque is required to initiate rotation, reducing resistance at low shaft speeds. The rotor has a moment of inertia of 2.83 × 10⁻⁴ oz-in-s², which limits the encoder’s effect on acceleration and deceleration. Output electronics use a differential line driver that rejects common-mode electrical noise and helps preserve signal integrity over the attached cable. The combination of low rotational resistance and separate axial and radial load capacities makes the encoder suitable for direct shaft-mounted feedback in industrial machinery.
