Connecting The Cables - ebm-papst A3G300-AN02-04 Operating Instructions Manual

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A3G300-AN02-04
We recommend the use of 105 °C cables. Ensure that the minimum
cable cross-section is at least
AWG 26 / 0.13 mm².
Protective earth contact resistance according to EN 60335
Compliance with the resistance specifications according to EN 60335 for
the protective earth connection circuit must be verified in the end
application. Depending on the installation situation, it may be necessary
to connect an additional protective earth conductor by way of the extra
protective earth terminal provided on the device.
4.2.2 Reactive currents
Because of the EMC filter integrated for compliance with EMC
limits (interference emission and immunity to interference),
reactive currents can be measured in the supply line even
when the motor is at a standstill and the line voltage is switched
on.
The values are typically in the range < 50 mA
At the same time, the effective power in this operating state
(operational readiness) is typically < 2 W.
4.2.3 Residual current circuit breaker (RCCB)
If the use of a residual current device (RCD) is required in your
installation, only pulse-current sensitive and/or AC/DC-
sensitive residual current devices (type F or B) are
permissible. As with variable frequency drives, residual current
devices cannot provide personal safety while the device is
being operated. When the device power supply is switched on,
pulsed charging currents from the capacitors in the integrated
EMC filter can lead to the residual current devices tripping
instantly. We recommend the use of residual current circuit
breakers (RCCB) with a trip threshold of 300 mA and delayed
tripping (super-resistant, characteristic K).
4.2.4 Locked-rotor protection
Due to the locked-rotor protection, the starting current (LRA) is
equal to or less than the nominal current (FLA).

4.3 Connecting the cables

The device has external leads.
; First connect the "PE" (protective earth).
Connect the cables according to your application. When doing so,
observe Chapter 4.4 Connection diagram.
Item no. 52035-5-9970 · ENU · Change 274579 · Approved 2023-01-10 · Page 7 / 11
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
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