Friction brake COMBISTOP S1
electromagneticfor servo motorssafety

Friction brake - COMBISTOP S1 - KEB Automation KG - electromagnetic / for servo motors / safety
Friction brake - COMBISTOP S1 - KEB Automation KG - electromagnetic / for servo motors / safety
Friction brake - COMBISTOP S1 - KEB Automation KG - electromagnetic / for servo motors / safety - image - 2
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Characteristics

Type
friction
Operation
electromagnetic
Other characteristics
safety, for servo motors
Torque

Max.: 60 Nm
(44.253729 ft.lb)

Min.: 0.5 Nm
(0.368781 ft.lb)

Power

Max.: 33.8 W

Min.: 6.1 W

Description

Overview
The new S1 high-performance holding brake features a patented friction system that delivers substantially higher braking torque than conventional spring-applied brakes. It is particularly suited for servo applications with increased safety requirements. The plug & play design ensures easy assembly. Torque range: 0.5 Nm to 60 Nm across 8 sizes.

Highlights
  • 8 sizes (01–08)
  • High permissible emergency-stop friction energy
  • Stable braking torque
  • High temperature resistance (up to ISO class H per VDE 0580)
  • Ready to install with adjusted air gap
  • Usable as service brake or holding brake
  • Integrated cable slots
  • Standard voltage: 24 V

Options
  • Felt ring: Optional felt ring to protect the COMBISTOP S1 (and therefore the braking torque) against oil leaking from adjacent bearings.
  • CCV (Cold Climate Version): Available for particularly harsh/cold environments (temperatures down to -40 °C).
  • Braking torque modification: Torque can be increased or reduced per customer specifications during production.
  • Customized voltages: Custom coil voltages can be realised on request in the internal production process.
  • Connector assembly: Products can be equipped with ready-to-connect cables with plugs, contacts or wire end ferrules to simplify assembly.
  • Certificates: Factory certificate 2.1 (DIN EN 10204) and acceptance test certificate 3.1 (DIN EN 10204) available on request; 3.1 includes results of specific tests such as torque test.

Technical data (table)
Size | Rated torque M2 [Nm] | Min. static torque at 120 °C M4min120 [Nm] | Standard power [W] | Diameter [mm] | max. Hub bore [mm]
01 | 0.5 | 0.3 | 6.1 | 35 | 9
02 | 1 | 0.6 | 7.5 | 41 | 10.5
03 | 1.9 | 1.1 | 9.4 | 48 | 12.5
04 | 3.9 | 2.3 | 11.8 | 56 | 15.5
05 | 7.5 | 4.5 | 15.3 | 66 | 17.5
06 | 15 | 9 | 20 | 77 | 20.5
07 | 30 | 18 | 26 | 90 | 24
08 | 60 | 36 | 33.8 | 102 | 28

Characteristics / technical specifications
  • Model: COMBISTOP S1
  • Torque range: 0.5 Nm to 60 Nm (8 sizes)
  • Rated torque and min. static torque per size: see technical data table above
  • Standard power values per size: see technical data table above
  • Diameter and max. hub bore per size: see technical data table above
  • Standard voltage: 24 V (special voltages on request)
  • Protection option: Felt ring for oil protection
  • Cold climate suitability: CCV version available down to -40 °C
  • Temperature resistance: up to ISO class H per VDE 0580
  • Ready to install with adjusted air gap; plug & play assembly options (ready-to-connect cables available)
  • Certificates: Factory certificate 2.1 and acceptance test certificate 3.1 available on request

Catalogs

Exhibitions

Meet this supplier at the following exhibition(s):

Pack Expo International
Pack Expo International

18-21 Oct 2026 Chicago (USA - Illinois)

  • More information
    FoodTech 2026
    FoodTech 2026

    27-29 Oct 2026 Herning (Denmark)

  • More information
    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.