POWER FOCUS 6000 EN Installation
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As also indicated in the table above, QST cables can be extended up to a maximum of 60m combined.
Note that when extending to lengths greater than 15m, QST cables (4220 3799 XX) shall be used for the
extension (Extension cables 4220 4393 XX are not recommended).
The product number for connecting the Power Focus 6000 to a QST tool, is: 4220 4715 XX
For proper handling and installation of QST cables, please also follow the guidelines described in the
"Pocket guide to Cable Management" available from Atlas Copco.
Functional Test of the Residual-Current Circuit Breaker with Overcurrent
Protection (RCBO) Device
A certified electrician must perform the functional test of the residual-current circuit breaker with overcur-
rent protection (RCBO) device, according to the IEC 61557-6 standard.
In high-voltage countries with a mains voltage of 220-240 V, the functional test can be performed by push-
ing the yellow button on the RCBO device.
In low-voltage countries with a mains voltage of 110-120 V, the functional test must be performed using
the phase and neutral in the two test openings above the RCBO device.