Roller torque limiter SIKUMAT® SA
double-rollersafetywith clutch function

Roller torque limiter - SIKUMAT® SA - RINGSPANN - double-roller / safety / with clutch function
Roller torque limiter - SIKUMAT® SA - RINGSPANN - double-roller / safety / with clutch function
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Characteristics

Operation
roller, double-roller
Other characteristics
safety, with clutch function, high-torque
Torque

Max.: 10,000 Nm
(7,375.621493 ft.lb)

Min.: 0 Nm
(0 ft.lb)

Diameter

Max.: 125 mm
(4.92 in)

Min.: 0 mm
(0 in)

Description

Product type
Synchronous ratcheting overload clutch with double-roller principle for precision protection of machines and installations.

Advantages
  • High consistency of the limit torque throughout service life thanks to the double-roller contact principle
  • Synchronous re-engagement after 360°
  • Torques up to 10,000 Nm
  • Designed for shaft diameters up to 125 mm

Function
  • When the preset limit torque is reached, the SIKUMAT® ratchets to protect the drive
  • After removal of the overload, the SIKUMAT® automatically re-engages synchronously to the starting position after a 360° rotation
  • The overload can be signalled by a proximity switch (non-contact) or a mechanical switch to trigger shutdown or a control action

Product information
  • Datasheet SA
  • Catalogue: Overload Clutches

Technical characteristics / specifications
  • Design: synchronous ratcheting (double rollers)
  • Limit torque: up to 10,000 Nm
  • Applicable shaft diameters: up to 125 mm
  • Synchronous automatic re-engagement after 360°
  • Overload indication option: proximity switch (non-contact) or mechanical switch
  • Intended use: precision safety device in installations and machines

Catalogs

Exhibitions

Meet this supplier at the following exhibition(s):

EXPOSIBRAM 2026
EXPOSIBRAM 2026

24-27 Aug 2026 Belo Horizonte (Brazil)

  • More information
    Electra Mining Africa
    Electra Mining Africa

    7-11 Sep 2026 Johannesburg (South Africa)

  • 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.