LOCK BEWEGT // LOCK MOVES 8 EWA CHAPTER 03 – POWER DRIVES 2026 | 05 > Extremely quiet, self-locking double worm gear unit with integrated limit switch control and with long service life, zero maintenance. > Universal assembly with standard mounting at back or on side left (symmetrical). > Standard mounting with 70 mm center distance brackets or optional 60 mm. > Limit switch control for up to 580 shaft rotations possible either via control unit LSC 40 AC or DC (including additional limit switch) or optionally via precision gear limit switch END 20. > High quality motors available in a wide variety of voltages. > Pre-wired single phase motors supplied with power cord and thermal overload protection. > Ambient temperature –5 °C to +60 °C, A60 version for low temperature applications below –5 °C. > Protection class IP55. > Duty Cycle S3-40 %. > Interchangeable with EWA 10/12. Options when using LSC 40: > Position repeater LPR 02 for analog signal 0 – 10 V or 4 – 20 mA, LPR 04 for digital signal (incremental). Options when using END 20: > Auxiliary limit switch END 20.40 > Position repeater PAR 06 (potentiometer) or PAR 10 (0 – 10 V or 0 – 5 V). Options for pre-wired actuators: > Connection cable with special coating for UL/CSA-compliant outdoor installation (North America). EWA 50 // PowerDrive 50–150 Nm
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