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Last verified: 2026-10-09

Verifiable indicators

Short-time duty (S2) — Wistar motor WSERD50-L · 15 Nm: Not published. Elero RolTop M · 12 Nm · 23 rpm: Not published. Elero RolTop M-868 · 12 Nm · 23 rpm: Not published.

Rated life — Wistar motor WSERD50-L · 15 Nm: Not published. Elero RolTop M · 12 Nm · 23 rpm: Not published. Elero RolTop M-868 · 12 Nm · 23 rpm: Not published.

Thermal protection — Wistar motor WSERD50-L · 15 Nm: Not published. Elero RolTop M · 12 Nm · 23 rpm: Not published. Elero RolTop M-868 · 12 Nm · 23 rpm: Not published.

IP rating — Wistar motor WSERD50-L · 15 Nm: IP44 [1; 2026-10-01]. Elero RolTop M · 12 Nm · 23 rpm: Not published. Elero RolTop M-868 · 12 Nm · 23 rpm: Not published.

Comparison table
PropertyWistar motor WSERD50-L · 15 NmWistar motorWSERD50-L-15/12Elero RolTop M · 12 Nm · 23 rpmElero34 235.0001Elero RolTop M-868 · 12 Nm · 23 rpmElero34 236.0006
Series & variant axes
SeriesDiffers: WSERD50-L vs RolTop M vs RolTop M-868WSERD50-LRolTop MRolTop M-868
Identity & lineage
Series / product lineWSERD50-L [1; 2026-10-01]Not publishedNot published
Electrical
Rated voltage12 V [1; 2026-10-01]Not publishedNot published
Power supply typeDC [1; 2026-10-01]Not publishedNot published
Rated power input12 W [1; 2026-10-01]Not publishedNot published
Rated current6 A [1; 2026-10-01]Not publishedNot published
Drive performance
Rated torqueDiffers: 15 Nm [1; 2026-10-01] vs 12 Nm [2; 2026-10-02] vs 12 Nm [2; 2026-10-02]15 Nm [1; 2026-10-01]12 Nm [2; 2026-10-02]12 Nm [2; 2026-10-02]
Rated speedNot published23 rpm [2; 2026-10-02]23 rpm [2; 2026-10-02]
Dimensions & mounting
Motor diameter45 mm [1; 2026-10-01]45 mm [3; 2026-10-09]45 mm [3; 2026-10-09]
Fits tube diameterNot published≥ 50 mm [2; 2026-10-02]≥ 50 mm [2; 2026-10-02]
Overall length565 mm [1; 2026-10-01]Not publishedNot published
Weight2.04 kg [1; 2026-10-01]Not publishedNot published
Limits & protection
Limit settingNot publishedElectronic [2; 2026-10-02]Electronic [2; 2026-10-02]
Control & communication
Control protocolNot publishedNot publishedProprietary RF [2; 2026-10-02]
Control interface (as stated)Not publishedHardwired [2; 2026-10-02]Radio [2; 2026-10-02]
Radio frequencyNot publishedNot published868 MHz [4; 2026-10-02]
Environment & protection
IP ratingIP44 [1; 2026-10-01]Not publishedNot published
Application
ApplicationsNot publishedRoller blind [2; 2026-10-05], Roller shutter [2; 2026-10-02], Screen [2; 2026-10-01]Roller blind [2; 2026-10-05], Roller shutter [2; 2026-10-02], Screen [2; 2026-10-01]
DocumentsRequest datasheetRequest datasheetRequest datasheet

Data gaps

  • Wistar motor WSERD50-L · 15 Nm: Limit range — Not yet collected

Sources

  1. ↑Wistar motor manufacturer site (product catalog)wistarmotor.comSeries / product line: Ref: WSERD50-LManufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 15393, 15388, 15378, 15386, 15390, 15376, 15382, 15391, 15392, 15380
  2. ↑Elero manufacturer site (product catalog)elero.comRated torque: 12 NmManufacturer-stated · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 45856, 45843, 45857, 45844, 45858, 45845, 45859, 45846, 45847, 45860, 45848, 49054, 44503, 44497, 49049, 45850, 44712
  3. ↑Tubular diameter derivation tdia-elero-catalog-2026-p51-roltop-melero.com[tdia-elero-catalog-2026-p51-roltop-m] Ø 45 mm from "RolTop M". archive: vendor/elero/aero/catalog_pdf/d3db2f5a3087a18e41569789454c321eaa3e24c3927400842437f18ecca3c54a.pdf p51. elero catalogue 2026 p51, Technical data RolTop M-868 /-K / RolTop M /-K / RolTop M-868 / RolTop M high-speed version / RolTop/D+ M-868 / RolTop/D+ M / RolTop/D+ M NHK / RolTop s_onro M-868 / RolTop s_onro M / RolTop/J M-868 / RolTop/J M: "Min. shaft diameter (mm) 50 … Diameter (mm) 45"Derived (vendor document) · Observed 2026-10-09 · Retrieved 2026-10-09 · Public web pageUsed for: 54631, 54622
  4. ↑Elero manufacturer site (product catalog)elero.comRadio frequency: RolTop M12/23-868 Fast running versionDerived · Observed 2026-10-02 · Retrieved 2026-09-23 · Public web pageUsed for: 45849
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