What supply voltage and frequency does each use?

Rated voltage — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: 230 V; Wistar motor WSS40 · 6 Nm · 28 rpm: 230 V. Mains frequency — Wistar motor WSS40 · 6 Nm · 28 rpm: 50 Hz. Power supply type — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: AC mains; Wistar motor WSS40 · 6 Nm · 28 rpm: AC mains.

What torque and speed is each rated for?

Rated torque — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: 6 Nm; Wistar motor WSS40 · 6 Nm · 28 rpm: 6 Nm. Rated speed — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: 28 rpm; Wistar motor WSS40 · 6 Nm · 28 rpm: 28 rpm.

What protocols and control options does each support?

Limit setting — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: Electronic; Wistar motor WSS40 · 6 Nm · 28 rpm: Mechanical. Control protocol — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: Proprietary RF.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Wistar motor WSS40 · 6 Nm · 28 rpm: 4 min. IP rating — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: IP44; Wistar motor WSS40 · 6 Nm · 28 rpm: IP44.

A-OK AM35 AC Input Zero Gap Electronic limit: 115 W vs 155 W

Rated power input — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: 115 W^{[1; 2026-10-02]}; Wistar motor WSS40 · 6 Nm · 28 rpm: 155 W^{[2; 2026-10-01]}.

Rated current — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: 0.5 A^{[1; 2026-10-02]}; Wistar motor WSS40 · 6 Nm · 28 rpm: 0.68 A^{[2; 2026-10-01]}.

Last verified: 2026-10-02

When to choose A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor

For a supply rated 230 V^{[1; 2026-09-30]}.
For the stated supply type: AC mains^{[1; 2026-10-02]}.
For a rated torque of 6 Nm^{[1; 2026-10-02]}.
For a rated speed of 28 rpm^{[1; 2026-09-30]}.

When to choose Wistar motor WSS40 · 6 Nm · 28 rpm

For 230 V^{[2; 2026-10-01]} / 50 Hz^{[2; 2026-10-01]} mains.
For the stated supply type: AC mains^{[2; 2026-10-01]}.
For the stated diameter: 35 mm^{[2; 2026-10-01]}.
For a rated torque of 6 Nm^{[2; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Wistar motor WSS40 · 6 Nm · 28 rpm: 4 min^{[2; 2026-10-01]}. A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: Not published.

Rated life — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: Not published. Wistar motor WSS40 · 6 Nm · 28 rpm: Not published.

Thermal protection — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: Not published. Wistar motor WSS40 · 6 Nm · 28 rpm: Not published.

IP rating — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: IP44^{[1; 2026-10-02]}; Wistar motor WSS40 · 6 Nm · 28 rpm: IP44^{[2; 2026-10-01]}.

Comparison table
Property	A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular MotorA-OKAM35-6/28-MEL-ZG	Wistar motor WSS40 · 6 Nm · 28 rpmWistar motorWSS40-6/28
Series & variant axes
SeriesDiffers: AM35 vs WSS40	AM35	WSS40
Electrical
Rated voltage	230 V^{[1; 2026-09-30]}	230 V^{[2; 2026-10-01]}
Mains frequency	Not published	50 Hz^{[2; 2026-10-01]}
Power supply type	AC mains^{[1; 2026-10-02]}	AC mains^{[2; 2026-10-01]}
Rated power inputDiffers: 115 W^{[1; 2026-10-02]} vs 155 W^{[2; 2026-10-01]}	115 W^{[1; 2026-10-02]}	155 W^{[2; 2026-10-01]}
Rated currentDiffers: 0.5 A^{[1; 2026-10-02]} vs 0.68 A^{[2; 2026-10-01]}	0.5 A^{[1; 2026-10-02]}	0.68 A^{[2; 2026-10-01]}
Drive performance
Rated torque	6 Nm^{[1; 2026-10-02]}	6 Nm^{[2; 2026-10-01]}
Rated speed	28 rpm^{[1; 2026-09-30]}	28 rpm^{[2; 2026-10-01]}
Short-time duty (S2)	Not published	4 min^{[2; 2026-10-01]}
Dimensions & mounting
Motor diameter	Not published	35 mm^{[2; 2026-10-01]}
Overall length	Not published	480 mm^{[2; 2026-10-01]}
Weight	Not published	1.3 kg^{[2; 2026-10-01]}
Limits & protection
Limit settingDiffers: Electronic^{[1; 2026-09-30]} vs Mechanical^{[2; 2026-10-01]}	Electronic^{[1; 2026-09-30]}	Mechanical^{[2; 2026-10-01]}
Limit range	Not published	27 turns^{[2; 2026-10-01]}
Control & communication
Control protocol	Proprietary RF^{[1; 2026-10-02]}	Not published
Radio frequency	433 MHz^{[1; 2026-10-01]}, 433.92 MHz^{[1; 2026-10-01]}	Not published
Environment & protection
IP rating	IP44^{[1; 2026-10-02]}	IP44^{[2; 2026-10-01]}
Documents	Request datasheet	Request datasheet

Series

Cross-brand alternatives

Becker P6-20-C28: 6 Nm^{[Becker-Antriebe product centre (product catalog); 2026-10-01]}, Ø 35 mm^{[Becker-Antriebe product centre (product catalog); 2026-10-01]}, 12 V^{[Becker-Antriebe product centre (product catalog); 2026-10-01]}
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Gaposa SILEO XS4E620: 6 Nm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Gaposa manufacturer site (product catalog); 2026-10-01]}
Gaposa SILEO XS4P620: 6 Nm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Gaposa manufacturer site (product catalog); 2026-10-01]}
Gaposa SILEO XS4NX620: 6 Nm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Gaposa manufacturer site (product catalog); 2026-10-01]}
Gaposa SILEO XS4N620: 6 Nm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Gaposa manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Gaposa manufacturer site (product catalog); 2026-10-01]}

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: 230 V; Wistar motor WSS40 · 6 Nm · 28 rpm: 230 V. Mains frequency — Wistar motor WSS40 · 6 Nm · 28 rpm: 50 Hz. Power supply type — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: AC mains; Wistar motor WSS40 · 6 Nm · 28 rpm: AC mains.
What torque and speed is each rated for?: Rated torque — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: 6 Nm; Wistar motor WSS40 · 6 Nm · 28 rpm: 6 Nm. Rated speed — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: 28 rpm; Wistar motor WSS40 · 6 Nm · 28 rpm: 28 rpm.
What protocols and control options does each support?: Limit setting — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: Electronic; Wistar motor WSS40 · 6 Nm · 28 rpm: Mechanical. Control protocol — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: Proprietary RF.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: Short-time duty (S2) — Wistar motor WSS40 · 6 Nm · 28 rpm: 4 min. IP rating — A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor: IP44; Wistar motor WSS40 · 6 Nm · 28 rpm: IP44.

Sources

↑A-OK Motor manufacturer site (product catalog)a-okmotor.comSeries / product line: AM35 Zero Gap MotorManufacturer-stated · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 45783, 44709, 45784, 45785, 45786, 45787, 44708, 3027, 45788, 44710, 9879, 45789
↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSS40Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 13200, 13190, 13198, 13185, 13189, 13191, 13183, 13184, 13192, 13187, 13193, 13196, 13202, 13194, 13186

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A-OK AM35 AC Input Zero Gap Electronic limit Radio Tubular Motor vs Wistar motor WSS40 · 6 Nm · 28 rpm