Relay Connection - Danfoss FC 300 Design Manual

FC 300 Design Guide
NOTE
Dynamic brake calls for extra equipment and safety considerations. For further information,
see the Instruction Brake Resistors for Horizontal Applications, MI50SXYY.
1. Use cable clamps to connect the shield to the metal cabinet of the adjustable frequency
drive and to the decoupling plate of the brake resistor.
Dimension the cross-section of the brake cable to match the brake current.
2.
NOTE
Voltages up to 975 V DC (@ 600 V AC) may occur between the terminals.
NOTE
If a short circuit in the brake IGBT occurs, prevent power dissipation in the brake resistor
by using a line switch or contactor to disconnect the line power for the adjustable frequency
drive. Only the adjustable frequency drive should control the contactor.

Relay Connection

"
To set relay output, see par. group 5-4* Relays.
Terminals for relay connection (≤ 10 HP [7.5 kW])
(A1, A2 and A3 enclosures).
How to Install
Terminals for relay connection (14.75-29.5 HP
[11-22 kW])
(A5, B1 and B2 enclosures).
MG.33.B6.22 - VLT is a registered Danfoss trademark
No. 01 - 02 make (normally open)
01 - 03 break (normally closed)
04 - 05 make (normally open)
04 - 06 break (normally closed)
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