Nord Drivesystems SK 180E Series, User Manual

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1 General
BU 0180 en-4118 25
1.6.1 UL and CSA approval
File No. E171342
Categorisation of protective devices approved by the UL according to United States Standards for the
inverters described in this manual is listed below with essentially the original wording. The
categorisation of individually relevant fuses or circuit breakers can be found in this manual under the
heading “Electrical Data”. All devices include motor overload protection.
(

section 7.2 "Electrical data")
Information
Group fuse protection
The devices can basically be protected as a group via a common fuse (details in the following). The adherence of
the total currents and the use of the correct cables and cable cross-sections must be taken into account when
doing this. If the device or devices is/are being installed close to the motor, this also applies to the motor cable.
UL / CSA conditions according to the report
Information
"Integral solid state short circuit protection does not provide branch circuit protection. Branch circuit protection
must be provided in accordance with the National Electric Code and any additional local codes."
“Use 60/75°C copper field wiring conductors.”
„These products are intended for use in a pollution degree 2 environment“
“The device has to be mounted according to the manufacturer instructions.”
“For NFPA79 applications only”
Information
Internal Break Resistors (PTCs)
Alternate - internal brake resistors, optional for drives marked for USL only (not for Canada), Unlisted Component
NMTR3, manufactured by Getriebebau:
Usage Cat. No.
1 750-323,
111-323 BRK-100R0-10-L
2 FS2 BRK-200R0-10-L