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      Article no.: 657551 50

      Torque wrench, fully insulated with plug-in reversible ratchet 50 N·m

      Brand: Stahlwille
      electrical insulation VDE 1000 V
      Torque measuring accuracy ±3
      Direction of tightening For right and left-hand tightening
      Calibration O1
      Test certificate Manufacturer’s test certificate

      Torque wrench, fully insulated with plug-in reversible ratchet 50 N·...

      on request
      In stock
      1 pieces in stock
      On request
      Item no longer available
      Available in 1-3 working days
      Available in 4-6 working days
      Available in 1-2 weeks
      Subsequent delivery
      Unit price
      CHF 580.00
      plus VAT at the current rate Prices plus delivery costs
      Maximum torque (N·m)

      Add service

      • CHF40.30
      • CHF106.60



      Torque wrench fully insulated up to 1000 V to DIN EN 60900 / VDE 0682-201.
      Sturdy compact one-armed torque wrench, adjustable to scale and self-triggering. The accuracy is sustained for many thousands of operations, because high quality material is used for all wearing parts with stressed parts loaded only briefly on each occasion. With plug−in reversible ratchet.
      Units of measure: N·m, lbf·ft.
      • QuickRelease. Plug-in ratchet, easily reversible between left-hand and right-hand action. With QuickRelease safety locking for quick changeover of tools and efficient protection against loss.
      • No need to reset to zero. Patented non-wearing trigger system with stressed parts. No need to reset to »0«
        in order to relax the spring.
      • QuickSelect. Proven QuickSelect quick setting of the torque, and additional scale ring for fine adjustment


      The double-insulated plastic sleeve for working on live components houses more than just the proven STAHLWILLE precision. It is, at the same time, part of a revolutionary concept that is unique in the world: The torque wrench allows the end user to adjust and calibrate it themselves - without having to send it in - for instance using the mechanical calibration system No. 654240 size 400. Even the ratchet head can be exchanged without having to recheck the insulation.


      Adjustment: Quick adjustment of the torque with the slide setting button. The value is fixed using the locking key in the handle.


      Tested to DIN EN ISO 6789.


      For working at voltages up to 1000 Volts. In safety areas only fully insulated tools may be used in combination.
      The guaranteed measuring accuracy of the torque is achieved only once the torque range has been calibrated to DIN EN ISO 6789.

      Technical Data

      electrical insulation
      VDE 1000 V 
      maximum torque
      50 N·m
      Release signalling
      akustisk ; haptisk 
      Socket for plug-in head
      9×12 mm
      Measurement technology
      Scale graduation, 1 graduation =
      0.25 N·m
      Square drive
      3/8 inch
      Test certificate
      Manufacturer’s test certificate 
      1,660 g
      Direction of tightening
      For right and left-hand tightening 
      Torque measuring accuracy
      ±3 %
      Torque range
      10 N·m - 50 N·m
      Torque range
      7 lbf·ft - 37 lbf·ft
      Adjustable trigger value
      Connection format
      for plug-in heads (rectangular socket) 
      Trigger principle
      mechanical short-travel release 
      Setting the trigger value
      with adjustment scale 
      Adjusted reference dimension on the torque wrench [l2]
      28 mm
      Measurement process
      Reversible reading
      DIN EN ISO 6789 
      Lever length without plug-in head [l1]
      308 mm
      Overall length L
      390 mm
      Lever length including factory calibration reference dimension [l3]
      336 mm
      Data can be recorded
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