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Last verified: 2026-11-07

Verifiable indicators

Short-time duty (S2) — Wistar motor WSM50 · 30 Nm · 21 rpm: 4 min^{[1; 2026-10-02]}; Wistar motor WSME50 · 30 Nm · 21 rpm: 4 min^{[1; 2026-10-02]}. Somfy 535A2 35/20 SJTW: Not published. Nice Era M 3017 KIT: Not published.

Rated life — Somfy 535A2 35/20 SJTW: Not published. Wistar motor WSM50 · 30 Nm · 21 rpm: Not published. Wistar motor WSME50 · 30 Nm · 21 rpm: Not published. Nice Era M 3017 KIT: Not published.

Thermal protection — Somfy 535A2 35/20 SJTW: Not published. Wistar motor WSM50 · 30 Nm · 21 rpm: Not published. Wistar motor WSME50 · 30 Nm · 21 rpm: Not published. Nice Era M 3017 KIT: Not published.

IP rating — Somfy 535A2 35/20 SJTW: IP44^{[2; 2026-09-30]}; Wistar motor WSM50 · 30 Nm · 21 rpm: IP44^{[1; 2026-10-02]}; Wistar motor WSME50 · 30 Nm · 21 rpm: IP44^{[5; 2026-10-06]}; Nice Era M 3017 KIT: IP44^{[3; 2026-11-07]}.

Comparison table
Property	Somfy 535A2 35/20 SJTWSomfy1047368	Wistar motor WSM50 · 30 Nm · 21 rpmWistar motorWSM50-30/21	Wistar motor WSME50 · 30 Nm · 21 rpmWistar motorWSME50-30/21	Nice Era M 3017 KITNiceE M 3017 KIT
Series & variant axes
SeriesDiffers: LT50 vs WSM50 vs WSME50 vs Era M	LT50	WSM50	WSME50	Era M
Identity & lineage
Series / product lineDiffers: Not published vs WSM50^{[1; 2026-10-02]} vs WSME50^{[1; 2026-10-02]} vs Not published	Not published	WSM50^{[1; 2026-10-02]}	WSME50^{[1; 2026-10-02]}	Not published
Electrical
Rated voltage	120 V^{[2; 2026-09-30]}	120 V^{[1; 2026-10-02]}	120 V^{[1; 2026-10-02]}	Not published
Mains frequency	Not published	60 Hz^{[1; 2026-10-02]}	60 Hz^{[1; 2026-10-02]}	Not published
Power supply type	AC mains^{[2; 2026-09-30]}	AC mains^{[1; 2026-10-02]}	AC mains^{[1; 2026-10-02]}	Not published
Rated power inputDiffers: 250 W^{[2; 2026-09-30]} vs 280 W^{[1; 2026-10-02]} vs 280 W^{[1; 2026-10-02]} vs 250 W^{[3; 2026-11-07]}	250 W^{[2; 2026-09-30]}	280 W^{[1; 2026-10-02]}	280 W^{[1; 2026-10-02]}	250 W^{[3; 2026-11-07]}
Rated current	Not published	2.4 A^{[1; 2026-10-02]}	2.4 A^{[1; 2026-10-02]}	Not published
Cable length	Not published	Not published	Not published	2.5 m^{[3; 2026-11-07]}
Drive performance
Rated torqueDiffers: 35 Nm^{[4; 2026-10-07]} vs 30 Nm^{[1; 2026-10-02]} vs 30 Nm^{[1; 2026-10-02]} vs 30 Nm^{[3; 2026-11-07]}	35 Nm^{[4; 2026-10-07]}	30 Nm^{[1; 2026-10-02]}	30 Nm^{[1; 2026-10-02]}	30 Nm^{[3; 2026-11-07]}
Rated speedDiffers: 20 rpm^{[4; 2026-10-07]} vs 21 rpm^{[1; 2026-10-02]} vs 21 rpm^{[1; 2026-10-02]} vs 17 rpm^{[3; 2026-11-07]}	20 rpm^{[4; 2026-10-07]}	21 rpm^{[1; 2026-10-02]}	21 rpm^{[1; 2026-10-02]}	17 rpm^{[3; 2026-11-07]}
Short-time duty (S2)	Not published	4 min^{[1; 2026-10-02]}	4 min^{[1; 2026-10-02]}	Not published
Max load	Not published	Not published	Not published	56 kg^{[3; 2026-11-07]}
Dimensions & mounting
Motor diameter	Not published	45 mm^{[1; 2026-10-02]}	45 mm^{[1; 2026-10-02]}	Not published
Overall lengthDiffers: Not published vs 630 mm^{[1; 2026-10-02]} vs 730 mm^{[1; 2026-10-02]} vs 486 mm^{[3; 2026-11-07]}	Not published	630 mm^{[1; 2026-10-02]}	730 mm^{[1; 2026-10-02]}	486 mm^{[3; 2026-11-07]}
WeightDiffers: Not published vs 3.1 kg^{[1; 2026-10-02]} vs 4.1 kg^{[1; 2026-10-02]} vs Not published	Not published	3.1 kg^{[1; 2026-10-02]}	4.1 kg^{[1; 2026-10-02]}	Not published
Limits & protection
Limit setting	Not published	Mechanical^{[1; 2026-10-02]}	Mechanical^{[1; 2026-10-02]}	Mechanical^{[3; 2026-10-07]}
Limit range	Not published	27 turns^{[1; 2026-10-02]}	27 turns^{[1; 2026-10-02]}	Not published
Control & communication
Radio frequency	Not published	Not published	Not published	50 MHz^{[3; 2026-11-07]}
Max paired transmitters	Not published	Not published	15 pcs^{[5; 2026-10-06]}	Not published
Environment & protection
IP rating	IP44^{[2; 2026-09-30]}	IP44^{[1; 2026-10-02]}	IP44^{[5; 2026-10-06]}	IP44^{[3; 2026-11-07]}
Operating temp. (min)	Not published	Not published	-10 °C^{[5; 2026-10-06]}	Not published
Operating temp. (max)	Not published	Not published	55 °C^{[5; 2026-10-06]}	Not published
Compliance & declarations
Marks stated by vendor	Not published	Not published	Not published	CE^{[3; 2026-11-07]}, NF^{[3; 2026-11-07]}
Documents	Request datasheet	Request datasheet	Request datasheet	Request datasheet

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSM50Manufacturer-stated · Observed 2026-10-02 · Retrieved 2026-10-01 · Public web pageUsed for: 45139, 45267, 45132, 45260, 45138, 45266, 45127, 45255, 45131, 45259, 45133, 45261, 45125, 45253, 45126, 45254, 45134, 45262, 45129, 45257, 45135, 45263, 45137, 45265, 45140, 45268, 45136, 45264, 45128
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated voltage: Power supply AC - RGE 2 - 120V/60HZManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 4325, 4321, 4324, 4322
↑Nice manufacturer site (product catalog)niceforyou.comRated power input: Potenza massima 250 WManufacturer-stated · Observed 2026-11-07 · Retrieved 2026-09-23 · Public web pageUsed for: 70856, 70865, 70857, 70858, 70859, 70860, 51603, 70861, 70862, 70863, 70864
↑Model-name rule somfy-explicit-torque-speed-v2: Somfy model names carrying an explicit "<Nm>/<rpm>" pair, e.g. "525A2 25/20 SJTW".somfysystems.com535A2 35/20 SJTWDerived (model name) · Observed 2026-10-07 · Retrieved 2026-10-07 · Public web pageUsed for: 51344, 51345
↑Wistar motor PDF catalogue WSME50wistarmotor.comMax paired transmitters: compatible with 15 emitters at most: 15 (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50140, 50139, 50141, 50142

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Verifiable indicators

Sources