Ul Listing Information; Common Ul Information; Power Dependant Ul Information - Leroy-Somer Digidrive SK Serie Guía De Usuario

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UL Listing Information

11.1

Common UL information

11.1.1 Conformity
The drive conforms to UL listing requirements only when the following are observed:
• Class 1 60/75°C (140/167°F) copper wire only is used in the installation
• The ambient temperature does not exceed 40°C (104°F) when the drive is
operating
• The terminal tightening torques specified in section 4.1 Power terminal connections
are used
• The drive is installed into a separate electrical enclosure. The drive has a UL
'Opentype' enclosure rating
11.1.2 AC supply specification
The drive is suitable for use in a circuit capable of delivering not more than 100,000
RMS symmetrical Amperes at 264Vac RMS maximum.
11.1.3 Motor overload protection
The drive provides motor overload protection. The overload protection level is 150% of
full-load current. It is necessary for the motor rated current to be entered into Pr 06 for
the protection to operate correctly. The protection level may be adjusted below 150% if
required. Refer to the Digidrive SK Advanced User Guide for further information.
11.1.4 Overspeed protection
The drive provides overspeed protection. However, it does not provide the level of
protection afforded by an independent high integrity overspeed protection device.
11.2

Power dependant UL information

11.2.1 Digidrive SK size A
Conformity
The drive conforms to UL listing requirements only when the following is observed:
• UL listed class CC fast acting fuses e.g. Bussman Limitron KTK series, Gould Amp-
Trap ATM series or equivalent are used in the AC supply.
Digidrive SK Getting Started Guide
Issue Number: a
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