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Datasheet HKA 291

Datasheet HKA 291

Product catalog summary

Overview: The document provides technical specifications and features of the Hydraulic Power Unit HKA 291, designed for operating hydraulic brakes across a wide range of pressures and temperatures.

Specifications:

Set Pressure: Two models available with pressure ranges of 150-160 bar and 230-245 bar.
Protection Type: IP55.
Motor Power: 1.6 kW.
Supply Voltage: Compatible with 3x400 V at 50Hz and 3x460 V at 60Hz.
Oil Flow Rate: 4.3 l/min.
Tank Capacity: 4 liters.
Weight: Approximately 25 kg.

Features:

Compact design with optimal heat dissipation due to the extruded profile.
Includes a manual hand pump function as standard.
Operates in ambient temperatures ranging from -20 °C to +50 °C.
Flexibly expandable with a standard usable oil volume of 2.7 liters.
Equipped with electrical level and temperature monitoring and an electrical thermal switch for oil temperature.

Installation Notes:

Fastening requires 4 mounting threads M8 x 15 deep.

Options:

Pressure switch for pressure monitoring.
Additional switching valves for special functions.
Modular design allows for flange-mounted options such as step braking, soft braking, or pressure accumulator.
Control cabinet for manual or external controlled operation.
Terminal box available.

Hydraulic Circuit Diagram Components:

Hand pump, pressure relief valve, directional seat valves, manometer, pressure switch, filter, check valves, oil level indicator, and thermal switch.
Hydraulic connection G3/8" for brake connection.

Catalog excerpts

Hydraulic Power Unit HKA 291for the operation of hydraulic brakesfor a wide pressure and temperature range available Technical Data Features • Compact design • Optimum heat dissipation thanks to the extruded profile • With manual hand pump function as standard • Flexibly expandable • 2.7 litre oil usable volume as standard • Electrical level and temperature monitoring and electrical thermal switch (oil temperature) 4 mounting threads M8 x 15 deep • Pressure switch for pressure monitoring • Additional switching valves for special functions • Further options can be flange-mounted in modular design, e.g. step braking, soft braking or pressure accumulator • Control cabinet for controlled operation of the hydraulic unit manually or externally

Open the catalog to page 1

Hydraulic Power Unit HKA 291 for the operation of hydraulic brakes for a wide pressure and temperature range available Illustration with optional control cabinet Hydraulic circuit diagram 0040 Hand pump Pressure relief valve Directional seat valve with handlocking Directional seat valve Pressure switch Check valve Check valve Oil level indicator and thermal switch

Open the catalog to page 2

Datasheet HKA 291

Datasheet HKA 291

Catalog excerpts

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