Standard motor mainly used on small and mid-sized roller blinds, roller doors, roller blinds, awnings, etc. This motor may be manually operated for opening or closing in case of a power outage. Manual Operation Ø 45 mm Mechanical limit switch Silent design, noise level under 45dB Precision limit switch 20 revolution limit Patented limiter structure on both sides Cardan shaft for manual operation Nm RPM 15 17 50 12