Somfy 525A2 CMO 120V 4-Wire Motor (1043010)
Somfy 525A2 CMO 120V 4-Wire Motor (1043010)
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Somfy LT50 525A2 CMO Standard 4-wire Motor -- standard exterior motor with manual override
The Somfy LT50 525A2 CMO is a wired exterior tubular motor with a Compact Manual Override (CMO), letting the shade or awning be operated by hand crank if power is unavailable. It delivers 25Nm (220" lb) at 20 rpm for awnings and rolling shutters.
Benefits
- Compact Manual Override (CMO) for hand-crank operation during a power outage
- Standard 4-wire control -- wired switch or relay
- Detachable power cable at the motor head
- 5-year Somfy warranty
Specifications
| Torque / Speed | 25 Nm (220 in-lb) / 20 rpm |
| Control | Standard 4-wire |
| Override | Compact Manual Override (CMO) |
| Power supply | 120V AC, 60Hz |
| Warranty | 5 years |
Compatible with: LT50 crown and drive sets, LT50 CMO override hardware
Official Somfy documentation
Sold by ShadeMotorsDirect -- an authorized source for genuine Somfy motorized window shade, blind, and drapery parts.
Common questions
What is the 525A2 CMO motor made for?
It is a wired 120V LT50 tubular motor for awnings and rolling shutters. Somfy rates part 1043010 at 25 Nm of torque and 20 rpm, with an IP 44 rating and a 5-year warranty.
What does CMO mean?
CMO stands for Compact Manual Override. It lets you run the awning or shutter by hand with a crank when power is not available. Our store carries the CMO Awning Override Shaft, 100mm with Geiger eye (9707287) for this setup.
What is the smallest roller tube it fits?
Somfy lists a minimum tube inside diameter of 1.85 in. Matching hardware in our store includes the LT50 2.5 in Round Crown and Drive Set (9012231) and the Octagonal LT50 70mm Crown and Drive Set (9012234).
How is the motor powered and wired?
It runs on 120V AC at 60 Hz, with a 1.6 A rated current and a 180 W draw while running. It ships with a 6.56 ft, 4-wire cable with stripped ends, ready to connect to your wired switch or relay.
How are the up and down limits set?
Somfy lists a mechanical limit switch with a capacity of 34 turns, which caps how many tube turns fit between the open and closed positions. The installer sets both stops on the motor during setup.
Which controls work with it, and is there a radio version?
It takes wired control from a switch or relay and has no radio receiver. For remote control, the 525A2 RTS CMO (1043426) pairs the same manual override design with a built-in RTS receiver.
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How this motor compares
Verified Somfy specs for this motor and its closest alternatives.
| Specification | You're viewing
Somfy 525A2 CMO 120V 4-Wire Motor (1043010)
| 
Somfy 525A2 RTS CMO 120V 3-Wire Motor (1043426)
| 
Somfy 530R2 CMO 120V 4-Wire Motor (1045017)
| 
Somfy 525A2 120V 4-Wire Motor (1043424)
|
|---|---|---|---|---|
| Price | ||||
| Torque (Nm) | 25.0 | 25.0 | 30.0 | 25.0 |
| Speed (rpm) | 20 | 20 | 14 | 20 |
| Control | Wired 4-wire | RTS radio | Wired 4-wire | Wired 4-wire |
| Power | 120V AC | 120V AC | 120V AC | 120V AC |
| Motor family | LT50 | LT50 | LT50 | LT50 |
| Manual crank override | Yes | Yes | Yes | — |
| What's different | The product on this page | Same size, RTS radio control | 30.0 Nm instead of 25.0 | Close alternative |
| Buy | Currently viewing | View details | View details | View details |
