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Last verified: 2026-10-22

Verifiable indicators

Short-time duty (S2) — Wistar motor WSER40 · 6 Nm · 34 rpm: 4 min^{[1; 2026-10-01]}; Somfy Sonesse® 506S2 RS485: 4 min^{[3; 2026-10-06]}; Somfy 506S2 6/38 SJTW: 5 min^{[4; 2026-10-07]}. A-OK AM35 Built-in Receiver Electronic Limit AC Tubular Motor: Not published.

Rated life — Wistar motor WSER40 · 6 Nm · 34 rpm: Not published. Somfy Sonesse® 506S2 RS485: Not published. Somfy 506S2 6/38 SJTW: Not published. A-OK AM35 Built-in Receiver Electronic Limit AC Tubular Motor: Not published.

Thermal protection — Wistar motor WSER40 · 6 Nm · 34 rpm: Not published. Somfy Sonesse® 506S2 RS485: Not published. Somfy 506S2 6/38 SJTW: Not published. A-OK AM35 Built-in Receiver Electronic Limit AC Tubular Motor: Not published.

IP rating — Wistar motor WSER40 · 6 Nm · 34 rpm: IP44^{[6; 2026-10-06]}; Somfy Sonesse® 506S2 RS485: IP44^{[3; 2026-10-06]}; Somfy 506S2 6/38 SJTW: IP44^{[4; 2026-10-07]}; A-OK AM35 Built-in Receiver Electronic Limit AC Tubular Motor: IP44^{[2; 2026-10-02]}.

Comparison table
Property	Wistar motor WSER40 · 6 Nm · 34 rpmWistar motorWSER40-6/34	Somfy Sonesse® 506S2 RS485Somfy1002286	Somfy 506S2 6/38 SJTWSomfy1033401	A-OK AM35 Built-in Receiver Electronic Limit AC Tubular MotorA-OKAM35-6/28-MEL
Series & variant axes
SeriesDiffers: WSER40 vs Sonesse 50 vs LT50 vs AM35	WSER40	Sonesse 50	LT50	AM35
Identity & lineage
Series / product lineDiffers: WSER40^{[1; 2026-10-01]} vs Not published vs Not published vs AM35^{[2; 2026-10-02]}	WSER40^{[1; 2026-10-01]}	Not published	Not published	AM35^{[2; 2026-10-02]}
Electrical
Rated voltage	120 V^{[1; 2026-10-01]}	120 V^{[3; 2026-10-06]}	120 V^{[4; 2026-10-07]}	120 V^{[2; 2026-10-02]}
Mains frequency	60 Hz^{[1; 2026-10-01]}	60 Hz^{[3; 2026-10-06]}	60 Hz^{[4; 2026-10-07]}	Not published
Power supply type	AC mains^{[1; 2026-10-01]}	AC mains^{[3; 2026-10-06]}	AC mains^{[4; 2026-10-07]}	AC mains^{[2; 2026-10-02]}
Rated power inputDiffers: 103 W^{[1; 2026-10-01]} vs 140 W^{[5; 2026-09-30]} vs 80 W^{[5; 2026-10-22]} vs 115 W^{[2; 2026-10-02]}	103 W^{[1; 2026-10-01]}	140 W^{[5; 2026-09-30]}	80 W^{[5; 2026-10-22]}	115 W^{[2; 2026-10-02]}
Standby powerDiffers: Not published vs 0.5 W^{[5; 2026-10-01]} vs 0 W^{[5; 2026-10-22]} vs Not published	Not published	0.5 W^{[5; 2026-10-01]}	0 W^{[5; 2026-10-22]}Lowest stated	Not published
Rated currentDiffers: 0.88 A^{[1; 2026-10-01]} vs 1.2 A^{[3; 2026-10-06]} vs 0.95 A^{[4; 2026-10-07]} vs 1.1 A^{[2; 2026-10-02]}	0.88 A^{[1; 2026-10-01]}	1.2 A^{[3; 2026-10-06]}	0.95 A^{[4; 2026-10-07]}	1.1 A^{[2; 2026-10-02]}
Cable lengthDiffers: Not published vs 3 m^{[3; 2026-10-06]} vs 2 m^{[4; 2026-10-07]} vs Not published	Not published	3 m^{[3; 2026-10-06]}	2 m^{[4; 2026-10-07]}	Not published
Drive performance
Rated torque	6 Nm^{[1; 2026-10-01]}	6 Nm^{[3; 2026-10-06]}	6 Nm^{[4; 2026-10-07]}	6 Nm^{[2; 2026-10-02]}
Rated speedDiffers: 34 rpm^{[1; 2026-10-01]} vs 32 rpm^{[3; 2026-10-06]} vs 38 rpm^{[4; 2026-10-07]} vs 28 rpm^{[2; 2026-10-02]}	34 rpm^{[1; 2026-10-01]}	32 rpm^{[3; 2026-10-06]}	38 rpm^{[4; 2026-10-07]}	28 rpm^{[2; 2026-10-02]}
Short-time duty (S2)Differs: 4 min^{[1; 2026-10-01]} vs 4 min^{[3; 2026-10-06]} vs 5 min^{[4; 2026-10-07]} vs Not published	4 min^{[1; 2026-10-01]}	4 min^{[3; 2026-10-06]}	5 min^{[4; 2026-10-07]}Highest stated	Not published
Dimensions & mounting
Motor diameter	35 mm^{[1; 2026-10-01]}	Not published	Not published	Not published
Overall length	600 mm^{[1; 2026-10-01]}	Not published	Not published	Not published
Weight	1.34 kg^{[1; 2026-10-01]}	Not published	Not published	Not published
Limits & protection
Limit setting	Electronic^{[1; 2026-10-01]}	Electronic^{[3; 2026-10-06]}	Not published	Electronic^{[2; 2026-10-02]}
Limit range	—	300 turns^{[3; 2026-10-06]}	Not published	Not published
Control & communication
Control protocolDiffers: Not published vs RS-485^{[5; 2026-09-30]} vs Not published vs Proprietary RF^{[2; 2026-10-02]}	Not published	RS-485^{[5; 2026-09-30]}	Not published	Proprietary RF^{[2; 2026-10-02]}
Radio frequency	Not published	Not published	Not published	433.92 MHz^{[2; 2026-10-02]}
Max paired transmitters	15 pcs^{[6; 2026-10-06]}	Not published	Not published	Not published
Environment & protection
IP rating	IP44^{[6; 2026-10-06]}	IP44^{[3; 2026-10-06]}	IP44^{[4; 2026-10-07]}	IP44^{[2; 2026-10-02]}
Operating temp. (min)Differs: -10 °C^{[6; 2026-10-07]} vs -20 °C^{[3; 2026-10-06]} vs -10 °C^{[4; 2026-10-07]} vs Not published	-10 °C^{[6; 2026-10-07]}	-20 °C^{[3; 2026-10-06]}Lowest stated	-10 °C^{[4; 2026-10-07]}	Not published
Operating temp. (max)Differs: 55 °C^{[6; 2026-10-07]} vs 70 °C^{[3; 2026-10-06]} vs 60 °C^{[4; 2026-10-07]} vs Not published	55 °C^{[6; 2026-10-07]}	70 °C^{[3; 2026-10-06]}Highest stated	60 °C^{[4; 2026-10-07]}	Not published
Noise levelDiffers: Not published vs 45 dB(A)^{[3; 2026-10-06]} vs 55 dB(A)^{[4; 2026-10-07]} vs Not published	Not published	45 dB(A)^{[3; 2026-10-06]}Lowest stated	55 dB(A)^{[4; 2026-10-07]}	Not published
Documents	Request datasheet	Official datasheet ↗	Official datasheet ↗	Request datasheet

— means no value: the manufacturer does not publish it, it does not apply to this product type, or there is none on record. Value states

Data gaps

Wistar motor WSER40 · 6 Nm · 34 rpm: Limit range — Not yet collected

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSER40Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 17402, 17393, 17401, 17383, 17391, 17395, 17379, 17381, 17397, 17387, 17399, 17400, 17403
↑A-OK Motor manufacturer site (product catalog)a-okmotor.comSeries / product line: AM35 AC Input Electronic Limit Radio Tubular MotorManufacturer-stated · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 45771, 45772, 45773, 45774, 45775, 45776, 45777, 45778, 45779, 45780, 45781
↑Somfy PDF catalogueservice.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1002286] (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50347, 50349, 50348, 50357, 50355, 50356, 50358, 50359, 50351, 50352, 50350, 50353, 50354, 50360
↑Somfy PDF catalogue lt50ra-d0025service.somfy.comRated voltage: Voltage Supply: 120V AC, 60Hz [1032023] (p. 1)Manufacturer-stated · Observed 2026-10-07 · Retrieved 2026-10-06 · Public web pageUsed for: 51063, 51065, 51064, 51071, 51069, 51070, 51072, 51073, 51066, 51067, 51068, 51074
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated power input: Consumption during operation 140 WManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 3616, 61680, 10106, 61681, 3618
↑Wistar motor PDF catalogue WSER40-WSER50-WSER60wistarmotor.comMax paired transmitters: 最多可存储遥控器15个: 15 (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 49992, 49991, 52446, 52447

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Verifiable indicators

Data gaps

Sources