Danfoss VLT AutomationDrive FC 300 - Backup Option MCB

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Figure 9.13 Correct Method to Install Live Parts and Control Signals
9.6 24 V Backup Option MCB 107
An external 24 V DC supply can be installed for low-voltage supply to the control card and any installed options card,
enabling full operation of the LCP without connection to the line power.
External 24 V DC Supply Specification
Input voltage range 24 V DC ±15% (max. 37 V in 10 s)
Max. input current 2.2 A
Average input current for FC 302 0.9 A
Max cable length 250 ft [75 m]
Input capacitance load 10 uF
Power-up delay 0.6 s
The inputs are protected.
Options and Accessories Design Guide
258 Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG34S222
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