SIEMENS | 6QN5501-0BA | SITOR THYRISTOR

Product Description:

For devices with a rated direct current of 640 to 1200A, the power section consists of 6 in one SITOR blocks arranged on a basic mechanical structure in a slide-in design. The The basic structure consists of a frame with insulating parts and busbars to accommodate the 6th SITOR blocks. The power connections of the SITOR set are on the rear. The Electronic is foldable on the front of the set.

The 6RA24.. device series with electrically isolated thyristor modules has been expanded to include a rated current value of up to 850A. The rated supply voltage is 400V and 500V. In addition to the one- and four-quadrant version (master), the same power units (slave) developed for parallel connection. By connecting two to three devices in parallel Currents up to 1700A or up to approx. 2500A possible. The slave devices have no control electronics and field supply. The slave devices are controlled by the master device. The signal transmission between master and
Slave via flat cable. The standard version of the flat cable is part of the slave devices. The cooling of the power section is monitored by recording the speed of the fan.

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