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Last verified: 2026-11-03

Verifiable indicators

Short-time duty (S2) — Somfy 525A2 25/20 SJTW: 5 min^{[2; 2026-10-07]}; Wistar motor WSM50 · 20 Nm · 21 rpm: 4 min^{[1; 2026-10-01]}; Wistar motor WSM50 · 30 Nm · 21 rpm: 4 min^{[1; 2026-10-02]}. Nice Era M 3017 KIT: Not published.

Rated life — Somfy 525A2 25/20 SJTW: Not published. Wistar motor WSM50 · 20 Nm · 21 rpm: Not published. Wistar motor WSM50 · 30 Nm · 21 rpm: Not published. Nice Era M 3017 KIT: Not published.

Thermal protection — Somfy 525A2 25/20 SJTW: Not published. Wistar motor WSM50 · 20 Nm · 21 rpm: Not published. Wistar motor WSM50 · 30 Nm · 21 rpm: Not published. Nice Era M 3017 KIT: Not published.

IP rating — Somfy 525A2 25/20 SJTW: IP44^{[2; 2026-10-07]}; Wistar motor WSM50 · 20 Nm · 21 rpm: IP44^{[1; 2026-10-01]}; Wistar motor WSM50 · 30 Nm · 21 rpm: IP44^{[1; 2026-10-02]}; Nice Era M 3017 KIT: IP44^{[4; 2026-11-03]}.

Comparison table
Property	Somfy 525A2 25/20 SJTWSomfy1043424	Wistar motor WSM50 · 20 Nm · 21 rpmWistar motorWSM50-20/21	Wistar motor WSM50 · 30 Nm · 21 rpmWistar motorWSM50-30/21	Nice Era M 3017 KITNiceE M 3017 KIT
Series & variant axes
SeriesDiffers: LT50 vs WSM50 vs WSM50 vs Era M	LT50	WSM50	WSM50	Era M
Identity & lineage
Series / product line	Not published	WSM50^{[1; 2026-10-01]}	WSM50^{[1; 2026-10-02]}	Not published
Electrical
Rated voltage	120 V^{[2; 2026-10-07]}	120 V^{[1; 2026-10-01]}	120 V^{[1; 2026-10-02]}	Not published
Mains frequency	60 Hz^{[2; 2026-10-07]}	60 Hz^{[1; 2026-10-01]}	60 Hz^{[1; 2026-10-02]}	Not published
Power supply type	AC mains^{[2; 2026-10-07]}	AC mains^{[1; 2026-10-01]}	AC mains^{[1; 2026-10-02]}	Not published
Rated power inputDiffers: 180 W^{[3; 2026-09-30]} vs 186 W^{[1; 2026-10-01]} vs 280 W^{[1; 2026-10-02]} vs 250 W^{[4; 2026-11-03]}	180 W^{[3; 2026-09-30]}	186 W^{[1; 2026-10-01]}	280 W^{[1; 2026-10-02]}	250 W^{[4; 2026-11-03]}
Standby power	0 W^{[3; 2026-10-01]}	Not published	Not published	Not published
Rated currentDiffers: 1.6 A^{[2; 2026-10-07]} vs 1.6 A^{[1; 2026-10-01]} vs 2.4 A^{[1; 2026-10-02]} vs Not published	1.6 A^{[2; 2026-10-07]}	1.6 A^{[1; 2026-10-01]}	2.4 A^{[1; 2026-10-02]}	Not published
Cable lengthDiffers: 2 m^{[2; 2026-10-07]} vs Not published vs Not published vs 2.5 m^{[4; 2026-11-03]}	2 m^{[2; 2026-10-07]}	Not published	Not published	2.5 m^{[4; 2026-11-03]}
Drive performance
Rated torqueDiffers: 25 Nm^{[2; 2026-10-07]} vs 20 Nm^{[1; 2026-10-01]} vs 30 Nm^{[1; 2026-10-02]} vs 30 Nm^{[4; 2026-11-03]}	25 Nm^{[2; 2026-10-07]}	20 Nm^{[1; 2026-10-01]}	30 Nm^{[1; 2026-10-02]}	30 Nm^{[4; 2026-11-03]}
Rated speedDiffers: 20 rpm^{[2; 2026-10-07]} vs 21 rpm^{[1; 2026-10-01]} vs 21 rpm^{[1; 2026-10-02]} vs 17 rpm^{[4; 2026-11-03]}	20 rpm^{[2; 2026-10-07]}	21 rpm^{[1; 2026-10-01]}	21 rpm^{[1; 2026-10-02]}	17 rpm^{[4; 2026-11-03]}
Short-time duty (S2)Differs: 5 min^{[2; 2026-10-07]} vs 4 min^{[1; 2026-10-01]} vs 4 min^{[1; 2026-10-02]} vs Not published	5 min^{[2; 2026-10-07]}Highest stated	4 min^{[1; 2026-10-01]}	4 min^{[1; 2026-10-02]}	Not published
Max load	Not published	Not published	Not published	56 kg^{[4; 2026-11-03]}
Dimensions & mounting
Motor diameter	Not published	45 mm^{[1; 2026-10-01]}	45 mm^{[1; 2026-10-02]}	Not published
Overall lengthDiffers: Not published vs 630 mm^{[1; 2026-10-01]} vs 630 mm^{[1; 2026-10-02]} vs 486 mm^{[4; 2026-11-03]}	Not published	630 mm^{[1; 2026-10-01]}	630 mm^{[1; 2026-10-02]}	486 mm^{[4; 2026-11-03]}
WeightDiffers: Not published vs 3 kg^{[1; 2026-10-01]} vs 3.1 kg^{[1; 2026-10-02]} vs Not published	Not published	3 kg^{[1; 2026-10-01]}	3.1 kg^{[1; 2026-10-02]}	Not published
Limits & protection
Limit setting	Not published	Mechanical^{[1; 2026-10-01]}	Mechanical^{[1; 2026-10-02]}	Mechanical^{[4; 2026-10-07]}
Limit range	Not published	27 turns^{[1; 2026-10-01]}	27 turns^{[1; 2026-10-02]}	Not published
Control & communication
Radio frequency	Not published	Not published	Not published	50 MHz^{[4; 2026-11-03]}
Environment & protection
IP rating	IP44^{[2; 2026-10-07]}	IP44^{[1; 2026-10-01]}	IP44^{[1; 2026-10-02]}	IP44^{[4; 2026-11-03]}
Operating temp. (min)	-10 °C^{[2; 2026-10-07]}	Not published	Not published	Not published
Operating temp. (max)	60 °C^{[2; 2026-10-07]}	Not published	Not published	Not published
Noise level	56 dB(A)^{[3; 2026-09-30]}	Not published	Not published	Not published
Compliance & declarations
Marks stated by vendor	Not published	Not published	Not published	CE^{[4; 2026-11-03]}, NF^{[4; 2026-11-03]}
View all 30 variants
Documents	Official datasheet ↗	Request datasheet	Request datasheet	Request datasheet

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSM50Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 15154, 45139, 15141, 45132, 15152, 45138, 15135, 45127, 15139, 45131, 15142, 45133, 15133, 45125, 15134, 45126, 15144, 45134, 15137, 45129, 15146, 45135, 15150, 45137, 15156, 45140, 15148, 45136, 15136, 45128
↑Somfy PDF catalogue lt50ra-d0025service.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1043024] (p. 1)Manufacturer-stated · Observed 2026-10-07 · Retrieved 2026-10-06 · Public web pageUsed for: 51075, 51077, 51076, 51083, 51081, 51082, 51084, 51085, 51078, 51079, 51080
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated power input: Consumption during operation 180 WManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 3965, 10319, 3963
↑Nice manufacturer site (product catalog)niceforyou.comRated power input: Potenza massima 250 WManufacturer-stated · Observed 2026-11-03 · Retrieved 2026-09-23 · Public web pageUsed for: 68607, 68616, 68608, 68609, 68610, 68611, 51603, 68612, 68613, 68614, 68615

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Verifiable indicators

Sources