Installation Guide
VLT® 24 V DC Supply MCB 107
VLT® Series FC 102, FC 103, FC 202, and FC 301/FC
302
1 Scope of Delivery, Safety, and Installation
1.1 Purpose of the Manual
This installation guide describes the installation of the VLT
®
24 V DC Supply MCB 107.
1.2 Purpose of the VLT® 24 V DC Supply MCB 107
VLT
®
24 V DC Supply MCB 107 option is a low voltage supply to the control card or any option card installed. This option keeps the
control section (including parameter configurations) and any installed option alive during a power failure.
NOTICE
External power supply
To achieve the intended functionality, an external 24 V DC supply as specified below has to be connected to the terminals of
the option.
Specifications for VLT 24 V DC Supply MCB 107
Specification
Value
Input voltage range
24 V DC ±15% (maximum 37 V for 10 s)
Maximum input current
2.2 A
Average input current for FC 301/FC 302
0.9 A
Maximum cable length
75 m (246 ft)
Input capacitance load
<10 uF
Power-up delay
<0.6 s
Connection terminals
•
Terminal 35: - external 24 V DC supply
•
Terminal 36: + external 24 V DC supply
AN287957936346en-000101 / 130R0308 | 1
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