Specification Sheet
English Version STFE Elite Instruction Manual • 5
Preinstallation
The unit is designed for indoor operation in ambient temperatures
of -40ºC (-40ºF) to +60ºC (+140ºF) with a relative humidity of 0% to 95% (non-
condensing).
All units provided with terminal blocks must be
installed inside an enclosure and located so as to prevent accidental contact with
terminals during maintenance and service.
All electrical connections must be installed by a licensed electrician. All wiring
must comply with the National Electrical Code (NEC) and applicable local codes.
The total current draw that a unit may continu-
ously handle is provided in the Voltage, Current and Power Congurations table
on page 6.
Overloading the unit can permanently damage the device.
The nominal operating voltage for each model is provided in
the Voltage, Current and Power Congurations table on page 6.
Failure to use the unit at its rated voltage can permanently damage the
unit or provide inadequate protection.
Input and output ground terminals must be connected for proper operation.
Grounding is not only required for safety, but also for equipment performance.
Incorrect grounding can reduce or impede the operation of the unit.