4
Installation
Electrical installation
Operating Instructions – MOVIDRIVE
®
modular
77
4.6.4 Line fuses, fuse types
Line fuses and miniature circuit breakers are used for protecting the supply system
cables of the axis block. In case of a fault, these components protect the power supply
module against short circuit. For fusing, use fuses and miniature circuit breakers with
the following properties:
Type class Prerequisite
Fuses in utilization categories
gL, gG
Fusing voltage ≥ nominal line voltage
Miniature circuit breaker with
characteristics B, C, D
• Nominal miniature circuit breaker voltage ≥ nom-
inal line voltage
• Nominal circuit breaker currents must be 10%
above the nominal line current of the supply
module.
Adhere to the country and system specific regulations when carrying out the fusing. If
required, observe the notes in chapter UL-compliant installation.
24748536/EN – 11/2017
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