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Last verified: 2026-10-06

Verifiable indicators

Short-time duty (S2) — A-OK AM35 Light Touch Zipscreen Motor: 4 min^{[2; 2026-10-01]}. Wistar motor WSERD30-L · 2 Nm · 20 rpm: Not published. Somfy Sonesse® ULTRA 30 WireFree RTS (Li-ion): Not published. A-OK AM28 AC Input Electronic Limit DC Tubular Motor: Not published.

Rated life — Wistar motor WSERD30-L · 2 Nm · 20 rpm: Not published. Somfy Sonesse® ULTRA 30 WireFree RTS (Li-ion): Not published. A-OK AM35 Light Touch Zipscreen Motor: Not published. A-OK AM28 AC Input Electronic Limit DC Tubular Motor: Not published.

Thermal protection — Wistar motor WSERD30-L · 2 Nm · 20 rpm: Not published. Somfy Sonesse® ULTRA 30 WireFree RTS (Li-ion): Not published. A-OK AM35 Light Touch Zipscreen Motor: Not published. A-OK AM28 AC Input Electronic Limit DC Tubular Motor: Not published.

IP rating — Wistar motor WSERD30-L · 2 Nm · 20 rpm: IP20^{[1; 2026-10-01]}; Somfy Sonesse® ULTRA 30 WireFree RTS (Li-ion): IP20^{[3; 2026-10-06]}; A-OK AM35 Light Touch Zipscreen Motor: IP64^{[2; 2026-09-30]}; A-OK AM28 AC Input Electronic Limit DC Tubular Motor: IP44^{[2; 2026-09-30]}.

Comparison table
Property	Wistar motor WSERD30-L · 2 Nm · 20 rpmWistar motorWSERD30-L-2.0/20	Somfy Sonesse® ULTRA 30 WireFree RTS (Li-ion)Somfy1003310	A-OK AM35 Light Touch Zipscreen MotorA-OKAM35F-2/25-ZS-E-LT	A-OK AM28 AC Input Electronic Limit DC Tubular MotorA-OKAM28-1.8/25-MEL-P
Series & variant axes
SeriesDiffers: WSERD30-L vs Sonesse ULTRA 30 vs AM35 vs AM28	WSERD30-L	Sonesse ULTRA 30	AM35	AM28
Identity & lineage
Series / product lineDiffers: WSERD30-L^{[1; 2026-10-01]} vs Not published vs AM35^{[2; 2026-09-30]} vs AM28^{[2; 2026-09-30]}	WSERD30-L^{[1; 2026-10-01]}	Not published	AM35^{[2; 2026-09-30]}	AM28^{[2; 2026-09-30]}
Electrical
Rated voltage	12 V^{[1; 2026-10-01]}	12 V^{[3; 2026-10-06]}	Not published	Not published
Supply voltage (min)	Not published	Not published	100 V^{[2; 2026-09-30]}	100 V^{[2; 2026-09-30]}
Supply voltage (max)	Not published	Not published	240 V^{[2; 2026-09-30]}	240 V^{[2; 2026-09-30]}
Mains frequency	Not published	Not published	50 Hz^{[2; 2026-09-30]}, 60 Hz^{[2; 2026-09-30]}	Not published
Power supply typeDiffers: DC^{[1; 2026-10-01]} vs Battery, DC^{[3; 2026-10-06]}^{[3; 2026-10-06]} vs AC mains^{[2; 2026-09-30]} vs AC mains, DC^{[2; 2026-09-30]}^{[2; 2026-09-30]}	DC^{[1; 2026-10-01]}	Battery^{[3; 2026-10-06]}, DC^{[3; 2026-10-06]}	AC mains^{[2; 2026-09-30]}	AC mains^{[2; 2026-09-30]}, DC^{[2; 2026-09-30]}
Supply rating (as stated)	Not published	Not published	100-240VAC50/60HZ^{[2; 2026-09-30]}	100-240V^{[2; 2026-09-30]}
Rated power inputDiffers: 11.4 W^{[1; 2026-10-01]} vs 18 W^{[4; 2026-09-30]} vs 30 W^{[2; 2026-09-30]} vs 19.2 W^{[2; 2026-09-30]}	11.4 W^{[1; 2026-10-01]}	18 W^{[4; 2026-09-30]}	30 W^{[2; 2026-09-30]}	19.2 W^{[2; 2026-09-30]}
Standby power	Not published	0.001 W^{[4; 2026-10-01]}	Not published	Not published
Rated currentDiffers: 1.2 A^{[1; 2026-10-01]} vs Not published vs 0.25 A^{[2; 2026-09-30]} vs 2.5 A^{[2; 2026-09-30]}	1.2 A^{[1; 2026-10-01]}	Not published	0.25 A^{[2; 2026-09-30]}	2.5 A^{[2; 2026-09-30]}
Drive performance
Rated torqueDiffers: 2 Nm^{[1; 2026-10-01]} vs 2 Nm^{[3; 2026-10-06]} vs 2 Nm^{[2; 2026-09-30]} vs 1.8 Nm^{[2; 2026-09-30]}	2 Nm^{[1; 2026-10-01]}	2 Nm^{[3; 2026-10-06]}	2 Nm^{[2; 2026-09-30]}	1.8 Nm^{[2; 2026-09-30]}
Rated speedDiffers: 20 rpm^{[1; 2026-10-01]} vs 20 rpm^{[3; 2026-10-06]} vs 25 rpm^{[2; 2026-10-01]} vs 25 rpm^{[2; 2026-09-30]}	20 rpm^{[1; 2026-10-01]}	20 rpm^{[3; 2026-10-06]}	25 rpm^{[2; 2026-10-01]}	25 rpm^{[2; 2026-09-30]}
Speed range (min)	Not published	Not published	20 rpm^{[2; 2026-10-01]}	Not published
Speed range (max)	Not published	Not published	30 rpm^{[2; 2026-10-01]}	Not published
Short-time duty (S2)	Not published	Not published	4 min^{[2; 2026-10-01]}	Not published
Duty type	Not published	Not published	S2^{[2; 2026-10-01]}	Not published
Dimensions & mounting
Motor diameter	25 mm^{[1; 2026-10-01]}	Not published	Not published	Not published
Overall length	310 mm^{[1; 2026-10-01]}	Not published	Not published	Not published
Limits & protection
Limit setting	Not published	Electronic^{[3; 2026-10-06]}	Not published	Electronic^{[2; 2026-09-30]}
Control & communication
Control protocolDiffers: Not published vs RTS^{[3; 2026-10-06]} vs Dry contact, Proprietary RF^{[2; 2026-09-30]}^{[2; 2026-09-30]} vs Matter, Proprietary RF, Wi-Fi, Zigbee^{[2; 2026-09-30]}^{[2; 2026-09-30]}^{[2; 2026-09-30]}^{[2; 2026-09-30]}	Not published	RTS^{[3; 2026-10-06]}	Dry contact^{[2; 2026-09-30]}, Proprietary RF^{[2; 2026-09-30]}	Matter^{[2; 2026-09-30]}, Proprietary RF^{[2; 2026-09-30]}, Wi-Fi^{[2; 2026-09-30]}, Zigbee^{[2; 2026-09-30]}
Radio frequencyDiffers: Not published vs 433.42 MHz^{[3; 2026-10-06]} vs 433.92 MHz^{[2; 2026-10-01]} vs 433.92 MHz^{[2; 2026-10-05]}	Not published	433.42 MHz^{[3; 2026-10-06]}	433.92 MHz^{[2; 2026-10-01]}	433.92 MHz^{[2; 2026-10-05]}
Modulation	Not published	Not published	ASK^{[2; 2026-10-01]}	Not published
Radio range	Not published	200 m^{[4; 2026-10-01]}	Not published	Not published
Battery & charging
Battery (as stated)	Not applicable	12V 2600 mAh (built-in Lithium-ion)^{[3; 2026-10-06]}	Not applicable	Not applicable
Battery capacity	Not applicable	2,600 mAh^{[3; 2026-10-06]}	Not applicable	Not applicable
Environment & protection
IP ratingDiffers: IP20^{[1; 2026-10-01]} vs IP20^{[3; 2026-10-06]} vs IP64^{[2; 2026-09-30]} vs IP44^{[2; 2026-09-30]}	IP20^{[1; 2026-10-01]}	IP20^{[3; 2026-10-06]}	IP64^{[2; 2026-09-30]}Highest stated	IP44^{[2; 2026-09-30]}
Operating temp. (min)Differs: Not published vs 0 °C^{[3; 2026-10-06]} vs -10 °C^{[2; 2026-09-30]} vs Not published	Not published	0 °C^{[3; 2026-10-06]}	-10 °C^{[2; 2026-09-30]}Lowest stated	Not published
Operating temp. (max)Differs: Not published vs 60 °C^{[3; 2026-10-06]} vs 65 °C^{[2; 2026-09-30]} vs Not published	Not published	60 °C^{[3; 2026-10-06]}	65 °C^{[2; 2026-09-30]}Highest stated	Not published
Noise level	Not published	42 dB(A)^{[4; 2026-09-30]}	Not published	Not published
Compliance & declarations
Marks stated by vendor	Not published	CE^{[4; 2026-10-01]}	Not published	Not published
Appearance
Colour / finish	Not published	Not published	yellow^{[2; 2026-10-01]}	Not published
Documents	Request datasheet	Official datasheet ↗	Request datasheet	Request datasheet

Data gaps

Wistar motor WSERD30-L · 2 Nm · 20 rpm: Limit range — Not yet collected

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSERD30-LManufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 15740, 15733, 15723, 15731, 15735, 15719, 15721, 15727, 15737, 15725
↑A-OK Motor manufacturer site (product catalog)a-okmotor.comSeries / product line: AM35 Light Touch Zipscreen MotorManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-23 · Public web pageUsed for: 2708, 2757, 7121, 7131, 7122, 7134, 7123, 7124, 2699, 2747, 2746, 2698, 2745, 2702, 2750, 2703, 2751, 2696, 2743, 9838, 2744, 9842, 9843, 9844, 9845, 2756, 2705, 2704, 2754, 2752, 2755, 2753, 9840, 49195, 9841, 2700, 2748, 2706, 2707, 9839
↑Somfy PDF catalogueservice.somfy.comRated voltage: Voltage Supply: 12V DC [1003310] (p. 13)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50481, 50483, 50482, 50488, 50489, 50485, 50490, 50491, 50492, 50493, 50484, 50486, 50487
↑Somfy Systems (North America) manufacturer site (product catalog)somfysystems.comRated power input: Consumption during operation 18 WManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-30 · Public web pageUsed for: 3472, 10017, 10016, 3470, 10018

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Verifiable indicators

Data gaps

Sources