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SIGMATEK FDD Step By Step Guide Size 5 to 9
Appendix A UL listing information
A.1 UL file reference
All models are UL Listed to both Canadian and US requirements.
Products that incorporate the Safe Torque Off function have been investigated by UL.
A.2 Option modules, kits and accessories
Option Modules, Control Pods, Installation Kits and other accessories for use with these drives are UL Listed.
A.3 Enclosure ratings
Open Type
With the exception of free-standing cubicle drives, all models are Open Type as supplied. The drive housing is not
rated as a fire enclosure. A separate fire enclosure must be provided.
Type 1
When fitted with a conduit box the drives meet the requirements for UL Type 1. Type 1 enclosures are intended for
indoor use, primarily to provide a degree of protection against limited amounts of falling dirt.
Plenum rating with conduit box
When fitted with a conduit box, the drives comply with the requirements in the Standard for Fire Test for Heat and
Visible Smoke Release for Discrete Products and Their Accessories Installed in Air-Handling Spaces, UL 2043.
Through-hole mounting
The drives meet the requirements for UL Type 12 when installed inside a Type 12 enclosure with the heatsink
through-hole mounted using the sealing kit and the high-IP insert (where provided).
When through-hole mounted, the drives have been evaluated as suitable for use in surrounding air temperatures
up to 40 °C.
When the drive is through-panel mounted, the main terminal cover(s) must be removed in order to provide access
to the mounting holes. Once the drive has been mounted, the terminal cover(s) can be replaced.
The tightening torque of the securement brackets shall be advised as being 3 N m (26.6 lb.in).
Remote Keypads
Remote keypads are UL Type 12 when installed with the sealing washer and fixing kit provided.
A.4 Mounting
Drives may be surface, through-panel or tile mounted using the appropriate brackets. Drives may be mounted
singly or side by side with suitable space between them (bookcase mounting).
A.5 Environment
Drives must be installed in a Pollution Degree 2 environment or better (dry, non-conductive pollution only).
The drives have been evaluated for use at ambient temperatures up to 40 °C. The drives have additionally been
evaluated for 50 °C and 55 °C ambient air temperatures with a derated output.
A.6 Electrical Installation
OVERVOLTAGE CATEGORY
Drives have been evaluated for OVC III.
SUPPLY
The drives are suitable for use on a circuit capable of delivering not more than 100,000 RMS symmetrical amperes,
600 Volts AC Maximum.
TERMINAL TORQUE
Terminals must be tightened to the rated torque as specified in the Installation Instructions.
WIRING TERMINALS
Drives must be installed using cables rated for 75 °C operation, copper wire only.
Where possible, UL Listed closed-loop connectors sized according to the field wiring shall be used for all field
power wiring connections.
Summary of Contents for FDD 3054.00270
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