What supply voltage and frequency does each use?

Rated voltage — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 11.1 V; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 11.1 V. Power supply type — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: Battery, DC; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: Battery, DC.

Which tube diameters do they fit?

Motor diameter — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 25 mm; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 25 mm.

What torque and speed is each rated for?

Rated torque — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 1.2 Nm; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 0.7 Nm. Rated speed — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 35 rpm; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 20 rpm.

Which durability indicators does each publish?

OpenAxia does not rate reliability; the published indicators are: IP rating — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: IP20; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: IP20.

Wistar motor WSERD30-B: 1.2 Nm · 35 rpm vs 0.7 Nm

Rated power input — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 11.4 W^{[1; 2026-10-01]}; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 6.73 W^{[1; 2026-10-01]}.

Rated current — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 0.96 A^{[1; 2026-10-01]}; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 0.91 A^{[1; 2026-10-01]}.

Rated torque — Wistar motor WSERD30-B · 1.2 Nm^{[1; 2026-10-01]} · 35 rpm: 1.2 Nm; Wistar motor WSERD30-B · 0.7 Nm^{[1; 2026-10-01]} · 20 rpm: 0.7 Nm.

Last verified: 2026-10-06

When to choose Wistar motor WSERD30-B · 1.2 Nm · 35 rpm

For a supply rated 11.1 V^{[2; 2026-10-06]}.
For the stated supply type: Battery^{[1; 2026-10-01]}, DC^{[1; 2026-10-01]}.
For the stated diameter: 25 mm^{[1; 2026-10-01]}.
For a rated torque of 1.2 Nm^{[1; 2026-10-01]}.

When to choose Wistar motor WSERD30-B · 0.7 Nm · 20 rpm

For a supply rated 11.1 V^{[2; 2026-10-06]}.
For the stated supply type: Battery^{[1; 2026-10-01]}, DC^{[1; 2026-10-01]}.
For the stated diameter: 25 mm^{[1; 2026-10-01]}.
For a rated torque of 0.7 Nm^{[1; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: Not published. Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: Not published.

Rated life — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: Not published. Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: Not published.

Thermal protection — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: Not published. Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: Not published.

IP rating — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: IP20^{[2; 2026-10-06]}; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: IP20^{[2; 2026-10-06]}.

Comparison table
Property	Wistar motor WSERD30-B · 1.2 Nm · 35 rpmWistar motorWSERD30-B-1.2/35	Wistar motor WSERD30-B · 0.7 Nm · 20 rpmWistar motorWSERD30-B-0.7/20
Series & variant axes
Series	WSERD30-B	WSERD30-B
Electrical
Rated voltage	11.1 V^{[2; 2026-10-06]}	11.1 V^{[2; 2026-10-06]}
Power supply type	Battery^{[1; 2026-10-01]}, DC^{[1; 2026-10-01]}	Battery^{[1; 2026-10-01]}, DC^{[1; 2026-10-01]}
Rated power inputDiffers: 11.4 W^{[1; 2026-10-01]} vs 6.73 W^{[1; 2026-10-01]}	11.4 W^{[1; 2026-10-01]}	6.73 W^{[1; 2026-10-01]}
Rated currentDiffers: 0.96 A^{[1; 2026-10-01]} vs 0.91 A^{[1; 2026-10-01]}	0.96 A^{[1; 2026-10-01]}	0.91 A^{[1; 2026-10-01]}
Drive performance
Rated torqueDiffers: 1.2 Nm^{[1; 2026-10-01]} vs 0.7 Nm^{[1; 2026-10-01]}	1.2 Nm^{[1; 2026-10-01]}	0.7 Nm^{[1; 2026-10-01]}
Rated speedDiffers: 35 rpm^{[1; 2026-10-01]} vs 20 rpm^{[1; 2026-10-01]}	35 rpm^{[1; 2026-10-01]}	20 rpm^{[1; 2026-10-01]}
Dimensions & mounting
Motor diameter	25 mm^{[1; 2026-10-01]}	25 mm^{[1; 2026-10-01]}
Overall lengthDiffers: 545 mm^{[1; 2026-10-01]} vs 450 mm^{[1; 2026-10-01]}	545 mm^{[1; 2026-10-01]}	450 mm^{[1; 2026-10-01]}
Control & communication
Radio frequency	433.92 MHz^{[2; 2026-10-06]}	433.92 MHz^{[2; 2026-10-06]}
Environment & protection
IP rating	IP20^{[2; 2026-10-06]}	IP20^{[2; 2026-10-06]}
View all 3 variants
Documents	Request datasheet	Request datasheet

Relations and interchangeability

Wistar motor WSERD30-B · 1.2 Nm · 35 rpm → Wistar motor WSERD30-B · 0.7 Nm · 20 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø25 mm (same class)
Power supply Battery, DC (same)
Length 450 mm
Protection IP20
Torque 0.7 Nm is below the 1.2 Nm needed
Speed 20 rpm vs 35 rpm
Control system not confirmed

Required changes / checks: Control system not confirmed

Not checked: crown & drive adapters and motor head; Not checked: brackets; Not checked: remote pairing; Not checked: wiring

Wistar motor WSERD30-B · 0.7 Nm · 20 rpm → Wistar motor WSERD30-B · 1.2 Nm · 35 rpm

Not directly interchangeable

Same product type (tubular motor)
Ø25 mm (same class)
Power supply Battery, DC (same)
Protection IP20
Torque 1.2 Nm is far above 0.7 Nm
Speed 35 rpm vs 20 rpm
Control system not confirmed
95 mm longer: check the space between brackets

Required changes / checks: Control system not confirmed; 95 mm longer: check the space between brackets

Not checked: crown & drive adapters and motor head; Not checked: brackets; Not checked: remote pairing; Not checked: wiring

Data gaps

Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: Limit range — Not yet collected
Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: Limit range — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 11.1 V; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 11.1 V. Power supply type — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: Battery, DC; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: Battery, DC.
Which tube diameters do they fit?: Motor diameter — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 25 mm; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 25 mm.
What torque and speed is each rated for?: Rated torque — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 1.2 Nm; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 0.7 Nm. Rated speed — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: 35 rpm; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: 20 rpm.
Which durability indicators does each publish?: OpenAxia does not rate reliability; the published indicators are: IP rating — Wistar motor WSERD30-B · 1.2 Nm · 35 rpm: IP20; Wistar motor WSERD30-B · 0.7 Nm · 20 rpm: IP20.

Sources

↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSERD30-BManufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 16139, 16113, 16121, 16123, 16100, 16101, 16131, 16105, 16135, 16110, 16117, 16098, 16119, 16099, 16127, 16103, 16137, 16112
↑Wistar motor PDF catalogue WSERD30-Bwistarmotor.comRated voltage: Nominal voltage: 11.1V (p. 1)Manufacturer-stated · Observed 2026-10-06 · Retrieved 2026-10-06 · Public web pageUsed for: 50002, 49999, 50001, 49998, 50000, 49997

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Wistar motor WSERD30-B · 1.2 Nm · 35 rpm vs Wistar motor WSERD30-B · 0.7 Nm · 20 rpm