Fusing And Power Consumption; Fusing; Internal Fusing - Honeywell Fusion4 MSC-L Installation & Operation Manual

Part No.: 4418309_Rev09 Fusion4 MSC-L
Honeywell
Installation - Fusing and Power Consumption

4.6 Fusing and Power Consumption

4.6.1 Fusing

4.6.1.1 Internal Fusing

The MSC-L provides internal fuses for the protection of the AC mains as
follows.
The CAN-PSF-MSC (Power supply) board - Converts the mains AC

voltage into three different DC voltages. See section 3.6.2 - CAN-
PSF-MSC, for more information. The CAN-PSF-MSC board has an
internal fuse to protect the external AC mains against any over-
current condition or fault condition inside the MSC-L.
MSC-SHORTCUT-BOARD - The mains AC input, which is supplied

to the MSC-L is also routed to the external devices through the MSC-
SHORTCUT-BOARD. The fuses on the MSC fuse board deliver fuse
protected AC power to the external devices.
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