What torque and speed is each rated for?

Rated torque — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: 3 Nm; A-OK AM45 Light Touch Zipscreen Motor: 4 Nm. Rated speed — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: 28 rpm; A-OK AM45 Light Touch Zipscreen Motor: 25 rpm.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — A-OK AM45 Light Touch Zipscreen Motor: 4 min. IP rating — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: IP44; A-OK AM45 Light Touch Zipscreen Motor: IP64.

A-OK AM45: 85 W vs 50 W

Rated power input — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: 85 W^{[1; 2026-09-30]}; A-OK AM45 Light Touch Zipscreen Motor: 50 W^{[1; 2026-09-30]}.

Rated torque — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: 3 Nm^{[1; 2026-09-30]}; A-OK AM45 Light Touch Zipscreen Motor: 4 Nm^{[1; 2026-09-30]}.

Rated speed — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: 28 rpm^{[1; 2026-09-30]}; A-OK AM45 Light Touch Zipscreen Motor: 25 rpm^{[1; 2026-10-01]}.

Last verified: 2026-10-01

When to choose A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor

For a supply rated 230 V^{[1; 2026-09-30]}.
For the stated supply type: AC mains^{[1; 2026-09-30]}.
For a rated torque of 3 Nm^{[1; 2026-09-30]}.
For a rated speed of 28 rpm^{[1; 2026-09-30]}.

When to choose A-OK AM45 Light Touch Zipscreen Motor

For a rated torque of 4 Nm^{[1; 2026-09-30]}.
For a rated speed of 25 rpm^{[1; 2026-10-01]}.
For the stated protection rating: IP64^{[1; 2026-09-30]}.
For a stated minimum operating temperature of -10 °C^{[1; 2026-09-30]}.

Verifiable indicators

Short-time duty (S2) — A-OK AM45 Light Touch Zipscreen Motor: 4 min^{[1; 2026-10-01]}. A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: Not published.

Rated life — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: Not published. A-OK AM45 Light Touch Zipscreen Motor: Not published.

Thermal protection — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: Not published. A-OK AM45 Light Touch Zipscreen Motor: Not published.

IP rating — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: IP44^{[1; 2026-09-30]}; A-OK AM45 Light Touch Zipscreen Motor: IP64^{[1; 2026-09-30]}.

Comparison table
Property	A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular MotorA-OKAM45G-3/28-Q-MEL	A-OK AM45 Light Touch Zipscreen MotorA-OKAM45G-4/25-ZS-E-LT
Series & variant axes
Series	AM45	AM45
TorqueDiffers: 3 Nm vs 4 Nm	3 Nm	4 Nm
Rated speedDiffers: 28 rpm vs 25 rpm	28 rpm	25 rpm
Electrical
Rated voltage	230 V^{[1; 2026-09-30]}	Not published
Power supply type	AC mains^{[1; 2026-09-30]}	Not published
Rated power inputDiffers: 85 W^{[1; 2026-09-30]} vs 50 W^{[1; 2026-09-30]}	85 W^{[1; 2026-09-30]}	50 W^{[1; 2026-09-30]}
Rated current	0.4 A^{[1; 2026-09-30]}	0.4 A^{[1; 2026-09-30]}
Drive performance
Rated torqueDiffers: 3 Nm^{[1; 2026-09-30]} vs 4 Nm^{[1; 2026-09-30]}	3 Nm^{[1; 2026-09-30]}	4 Nm^{[1; 2026-09-30]}
Rated speedDiffers: 28 rpm^{[1; 2026-09-30]} vs 25 rpm^{[1; 2026-10-01]}	28 rpm^{[1; 2026-09-30]}	25 rpm^{[1; 2026-10-01]}
Speed range (min)	Not published	20 rpm^{[1; 2026-10-01]}
Speed range (max)	Not published	30 rpm^{[1; 2026-10-01]}
Short-time duty (S2)	Not published	4 min^{[1; 2026-10-01]}
Duty type	Not published	S2^{[1; 2026-10-01]}
Limits & protection
Limit setting	Electronic^{[1; 2026-09-30]}	Not published
Control & communication
Control protocol	Proprietary RF^{[1; 2026-09-30]}	Not published
Radio frequency	433.92 MHz^{[1; 2026-10-01]}	Not published
Environment & protection
IP ratingDiffers: IP44^{[1; 2026-09-30]} vs IP64^{[1; 2026-09-30]}	IP44^{[1; 2026-09-30]}	IP64^{[1; 2026-09-30]}Highest stated
Operating temp. (min)	Not published	-10 °C^{[1; 2026-09-30]}
Operating temp. (max)	Not published	65 °C^{[1; 2026-09-30]}
Appearance
Colour / finish	Not published	Yellow^{[1; 2026-10-01]}
View all 15 variants
Documents	Request datasheet	Request datasheet

Same-series variants

Variant axis	A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor	A-OK AM45 Light Touch Zipscreen Motor
Torque	3 Nm^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}	4 Nm^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}
Rated speed	28 rpm^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}	25 rpm^{[A-OK Motor manufacturer site (product catalog); 2026-10-01]}

Questions and answers

What torque and speed is each rated for?: Rated torque — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: 3 Nm; A-OK AM45 Light Touch Zipscreen Motor: 4 Nm. Rated speed — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: 28 rpm; A-OK AM45 Light Touch Zipscreen Motor: 25 rpm.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — A-OK AM45 Light Touch Zipscreen Motor: 4 min. IP rating — A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor: IP44; A-OK AM45 Light Touch Zipscreen Motor: IP64.

Sources

↑A-OK Motor manufacturer site (product catalog)a-okmotor.comSeries / product line: AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular MotorManufacturer-stated · Observed 2026-09-30 · Retrieved 2026-09-23 · Public web pageUsed for: 2661, 2638, 2656, 2653, 2657, 2634, 2658, 2635, 2651, 2630, 2652, 9825, 9827, 9828, 9829, 9830, 2660, 2659, 9833, 2654, 2632, 2636, 2637, 9826

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A-OK AM45 Built-in Ultra-Quiet Electronic Limit AC Tubular Motor vs A-OK AM45 Light Touch Zipscreen Motor