Nord Drivesystems NORDAC LINK SK250E-FDS - UL and CSA Approval

NORDAC LINK (SK 250E-FDS ... SK 280E-FDS) – Users Manual for Frequency Inverters as Field Distributors
20 BU 0250 en-3021
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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 7.3)
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Information
Group fuse protection
The devices can be protected as a group via one common fuse (see below for details). Pay attention
to compliance with the total currents and the use of correct cables and cable cross-sections. If the
device is mounted close to the motor, this also applies to the motor cables.
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UL / CSA conditions according to the report
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Information
"Integral solid state short circuit protection does not provide branch circuit protection. Branch circuit protection
must be provided in accordance with manufacturer instructions, the National Electric Code and any additional
local codes.
CSA: For Canada: ”Integral solid state short circuit protection does not provide branch circuit protection. Branch
circuit protection must be provided in accordance with the Canadian Electrical Code, Part I”.”
“Use 75°C Copper Conductors Only. Higher temperature ratings are acceptable."
„For installations according to Canadian National Standard C22.2 No. 274-13: For use in Pollution Degree 2 and
Overvoltage Category III environments only.” or equivalent.”
“The device has to be mounted according to the manufacturer instructions.”
“For NFPA79 applications only”
“The source shall be derived from a non-corner grounded type TN or IT AC source not exceeding 289 V phase to
earth (or equivalent)”