Sonesse® 40 WT 404S2 RH without Fast Connector

Sonesse® 40 WT 404S2 RH without Fast Connector

The Sonesse® 40 WT 404S2 RH motor offers quiet precision for interior window coverings. With a compact 40mm diameter, it features progressive mechanical limit adjustment and a 4 Nm torque at 36 rpm. Operating at just 42 dB noise level, this AC motor includes a white VVF cable and UL recognition.

$416.69

SKU: SOMFY-1001553 Category: Brand:

4 Nm

Torque

36 rpm

Speed

42 dB

Noise level

35 mm

External Diameter

The Somfy Sonesse® 40 WT 404S2 RH is engineered for versatile interior shading applications, including blinds, shades, and projection screens. This motor prioritizes acoustic comfort with patented design elements in the brake, rotor, and gearbox that reduce operating sound to a mere 42 dB.

  • Compact Design: A 40mm external diameter adapts easily to smaller hardware, requiring less mounting space.
  • Simplified Installation: Features progressive mechanical limit setting via a screw, eliminating the need for electronic tools or laptops.
  • Electrical Specifications: Operates on AC power (108–132V) with a consumption of 110W during operation.
  • Mechanical Performance: Delivers 4 Nm torque at 36 rpm with a traction force of 7 kg.

This unit comes without a Fast Connector but includes a 2-meter white VVF cable. It carries UR approval and Class I insulation, ensuring safety and reliability for residential and commercial interiors.

Weight 60 lbs
Dimensions 38 × 8 × 8 in
Series family 400 Series
Technology Protocol

Progressive Limit Adjustment
Applications Interior Window CoveringsBlindsShadesProjection screen

Approval

UR

UR

Standard

Protection Index

IP 44  
Insulation class

Class I  

Dimension

Unwrapped product weight

1.125 kg
Unwrapped length

478 mm
Unwrapped width

38 mm
Unwrapped height

38 mm
Minimum internal diameter

37 mm
External Diameter

35 mm
Diameter

40 mm
Riveting position distance

441 mm

Electrical

Consumption during operation

110 W
Minimum voltage

108 V
Maximum voltage

132 V
Rated current

0.95 A
Power supply

AC - RGE 2 - 120V/60HZ  

Mechanical

Speed

36 rpm
Torque

4 Nm
Type of limit switch unit

Mechanical  
Capacity of the limit switch unit (turns)

40  
Traction force

7 kg
Power scale

AC MOTOR SINGLE PHASE 37,5W TO 750W  
Repeatabilty

+/- 15  
Head type

ROUND  

Cable

Cable type

VVF  
Cable length

2 m
Cable color

WHITE  
Number of wires of the cable

4  
Cable plug ends

STRIPPED  
Wire section

0.82 mm²

Other

Minimum working temperature

0 °C
Maximum working temperature

60 °C
Minimum storing temperature

-20 °C
Maximum storing temperature

80 °C
Thermical time

4 min
Shape

TUBULAR  
Noise level (dB)

42 dB
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Questions, answered

What applications is the Sonesse® 40 WT 404S2 RH motor suitable for?

This motor is engineered for interior shading applications, including blinds, shades, and projection screens.

How do I set the limits on this Somfy motor?

The unit features progressive mechanical limit adjustment via a screw, which eliminates the need for electronic tools or laptops during installation.

What are the electrical specifications and power requirements?

The motor operates on AC power with a voltage range of 108–132V. It has a consumption of 110W during operation and carries UR approval with Class I insulation.

Is a connector included with this model?

No, this specific SKU (SOMFY-1001553) comes without a Fast Connector. It includes a 2-meter white VVF cable instead.

What is the noise level and physical size of the motor?

The motor operates at a low noise level of 42 dB and features a compact external diameter of 40mm to fit smaller hardware.