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Last verified: 2026-11-03

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 Altus® RTS 535A2: Not published. Nice Era M 3017 KIT: Not published.

Rated life — Somfy Altus® RTS 535A2: 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 Altus® RTS 535A2: 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 Altus® RTS 535A2: IP44^{[2; 2026-10-07]}; 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^{[4; 2026-11-03]}.

Comparison table
Property	Somfy Altus® RTS 535A2Somfy1038168	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: Altus 50 vs WSM50 vs WSME50 vs Era M	Altus 50	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; 2026-10-07]}	120 V^{[1; 2026-10-02]}	120 V^{[1; 2026-10-02]}	Not published
Mains frequency	60 Hz^{[2; 2026-10-07]}	60 Hz^{[1; 2026-10-02]}	60 Hz^{[1; 2026-10-02]}	Not published
Power supply type	AC mains^{[2; 2026-10-07]}	AC mains^{[1; 2026-10-02]}	AC mains^{[1; 2026-10-02]}	Not published
Rated power inputDiffers: 250 W^{[3; 2026-09-30]} vs 280 W^{[1; 2026-10-02]} vs 280 W^{[1; 2026-10-02]} vs 250 W^{[4; 2026-11-03]}	250 W^{[3; 2026-09-30]}	280 W^{[1; 2026-10-02]}	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: 2.1 A^{[2; 2026-10-07]} vs 2.4 A^{[1; 2026-10-02]} vs 2.4 A^{[1; 2026-10-02]} vs Not published	2.1 A^{[2; 2026-10-07]}	2.4 A^{[1; 2026-10-02]}	2.4 A^{[1; 2026-10-02]}	Not published
Cable lengthDiffers: 3.75 m^{[2; 2026-10-07]} vs Not published vs Not published vs 2.5 m^{[4; 2026-11-03]}	3.75 m^{[2; 2026-10-07]}	Not published	Not published	2.5 m^{[4; 2026-11-03]}
Drive performance
Rated torqueDiffers: 35 Nm^{[2; 2026-10-07]} vs 30 Nm^{[1; 2026-10-02]} vs 30 Nm^{[1; 2026-10-02]} vs 30 Nm^{[4; 2026-11-03]}	35 Nm^{[2; 2026-10-07]}	30 Nm^{[1; 2026-10-02]}	30 Nm^{[1; 2026-10-02]}	30 Nm^{[4; 2026-11-03]}
Rated speedDiffers: 20 rpm^{[2; 2026-10-07]} vs 21 rpm^{[1; 2026-10-02]} vs 21 rpm^{[1; 2026-10-02]} vs 17 rpm^{[4; 2026-11-03]}	20 rpm^{[2; 2026-10-07]}	21 rpm^{[1; 2026-10-02]}	21 rpm^{[1; 2026-10-02]}	17 rpm^{[4; 2026-11-03]}
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^{[4; 2026-11-03]}
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^{[4; 2026-11-03]}	Not published	630 mm^{[1; 2026-10-02]}	730 mm^{[1; 2026-10-02]}	486 mm^{[4; 2026-11-03]}
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 settingDiffers: Electronic^{[2; 2026-10-07]} vs Mechanical^{[1; 2026-10-02]} vs Mechanical^{[1; 2026-10-02]} vs Mechanical^{[4; 2026-10-07]}	Electronic^{[2; 2026-10-07]}	Mechanical^{[1; 2026-10-02]}	Mechanical^{[1; 2026-10-02]}	Mechanical^{[4; 2026-10-07]}
Limit rangeDiffers: 250 turns^{[2; 2026-10-07]} vs 27 turns^{[1; 2026-10-02]} vs 27 turns^{[1; 2026-10-02]} vs Not published	250 turns^{[2; 2026-10-07]}	27 turns^{[1; 2026-10-02]}	27 turns^{[1; 2026-10-02]}	Not published
Control & communication
Control protocol	RTS^{[3; 2026-09-30]}	Not published	Not published	Not published
Radio frequencyDiffers: 433.42 MHz^{[3; 2026-10-01]} vs Not published vs Not published vs 50 MHz^{[4; 2026-11-03]}	433.42 MHz^{[3; 2026-10-01]}	Not published	Not published	50 MHz^{[4; 2026-11-03]}
Radio range	200 m^{[3; 2026-10-01]}	Not published	Not published	Not published
Max paired transmittersDiffers: 12 pcs^{[3; 2026-10-01]} vs Not published vs 15 pcs^{[5; 2026-10-06]} vs Not published	12 pcs^{[3; 2026-10-01]}	Not published	15 pcs^{[5; 2026-10-06]}Highest stated	Not published
Environment & protection
IP rating	IP44^{[2; 2026-10-07]}	IP44^{[1; 2026-10-02]}	IP44^{[5; 2026-10-06]}	IP44^{[4; 2026-11-03]}
Operating temp. (min)	-10 °C^{[2; 2026-10-07]}	Not published	-10 °C^{[5; 2026-10-06]}	Not published
Operating temp. (max)Differs: 40 °C^{[2; 2026-10-07]} vs Not published vs 55 °C^{[5; 2026-10-06]} vs Not published	40 °C^{[2; 2026-10-07]}	Not published	55 °C^{[5; 2026-10-06]}Highest stated	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]}
Documents	Official datasheet ↗	Request datasheet	Request datasheet	Request datasheet

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSM50Manufacturer-stated · Observed 2026-10-02 · 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 PDF catalogueservice.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1037509] (p. 1)Manufacturer-stated · Observed 2026-10-07 · Retrieved 2026-10-06 · Public web pageUsed for: 50975, 50977, 50976, 50985, 50983, 50984, 50986, 50979, 50980, 50978, 50981, 50982
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated power input: Consumption during operation 250 WManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 3748, 10187, 3750, 10184, 10186, 10185, 3746
↑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
↑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