Illustration 5.31: DC bus connections for enclosure C3.
Illustration 5.32: DC bus connections for enclosure enclosure C4.
Please contact Danfoss if you require further information.
5.1.20. Brake Connection Option
The connection cable to the brake resistor must be screened/armoured.
Enclosure
A+B+C+D+F
A+B+C+D+F
Brake resistor
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82
Terminals
R-
R+
NB!
Dynamic brake calls for extra equipment and safety considerations. For further information, please contact Danfoss.
1.
Use cable clamps to connect the screen to the metal cabinet of the frequency converter and to the decoupling plate of the brake resistor.
2.
Dimension the cross-section of the brake cable to match the brake current.
NB!
Voltages up to 975 V DC (@ 600 V AC) may occur between the terminals.
Illustration 5.33: Brake connection terminal for B3.
Illustration 5.34: Brake connection terminal for B4.
VLT
®
AQUA Drive
Operating Instructions
5. Electrical installation
MG.20.M5.02 - VLT
®
is a registered Danfoss trademark
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5