ROBA®-switch 24V

ROBA®-switch 24V:

  • Input voltage 24 VDC
  • Enables overexcitation
  • Enables power reduction
  • Integrated DC-side disconnection

ROBA®-switch 24 VDC fast switching modules are used to operate DC consumers with overexcitation or power reduction, for example, electromagnetic brakes and clutches (ROBA-stop®, ROBA®-quick, ROBATIC®), electromagnets, electrovalves, etc.

The ROBA®-switch 24 VDC units are used for an input voltage of 24 VDC. They can switch internally, meaning that the output voltage switches to holding voltage from the input voltage (=overexcitation voltage) via pulse-width modulation using 20 kHz. The overexcitation time can be adjusted via a DIP switch to 150 ms, 450 ms, 1 s, 1.5 s and 2.15 s. The holding voltage can be adjusted via a further DIP switch to ¼, 1/3, ½, and 2/3 of the input voltage (equals 6 VDC, 8 VDC, 12 VDC, and 16 VDC at an input voltage of 24 VDC). In addition, the ROBA®-switch 24 VDC features integrated DC-side disconnection. In contrast to the usual DC-side disconnection, no further protective measures or external components are required. The DC-side disconnection is activated in standard mode and causes short switching times on the electromagnetic consumer. This can, however, be deactivated by installing a bridge between terminals 7 and 8 in order to produce soft brakings and quieter switching noises. However, this substantially lengthens the switching times (approx. 6 - 10 times).

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