Danfoss VLT 380-500 V Design Manual page 77

Ordering Information
7.3.9 VLT ®
24 V DC Supply MCB 107
A 24 V DC external 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 mains.
24 V DC external supply specification
Input voltage range
Maximum input current
Average input current for FC 302
Maximum cable length
Input capacitance load
Power-up delay
The inputs are protected.
Terminal numbers:
•
Terminal 35: - 24 V DC external supply.
•
Terminal 36: + 24 V DC external supply.
Illustration 7.14 24 V DC Supply Connection
MG37N102
Design Guide
When VLT
control circuit, the internal 24 V supply is automatically
disconnected. For more information on installation, consult
the separate instructions that accompany the optional
equipment.
Danfoss A/S © 6/2016 All rights reserved.
24 V DC ±15% (maximum 37 V in 10 s)
®
24 V DC Supply MCB 107 is supplying the
2.2 A
0.9 A
75 m (246 ft)
10 uF
0.6 s
7 7
75