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Conformity to UL standards and Canadian standards (cUL certification)
If installed according to the guidelines given below, inverters marked with UL/cUL are considered as
compliant with the UL and CSA (cUL certified) standards.
1. Solid state motor overload protection (motor protection by electronic thermal overload relay)
is provided in each model.
Use function codes F10 to F12 to set the protection level.
2. Connect the power supply satisfying the characteristics shown in the table below as an
input power supply of the inverter.(Short circuit rating)
3. Use 75qC Cu wire only.
4. Use Class 1 wire only for control circuits.
5. Field wiring connection must be made by a UL Listed and CSA Certified closed-loop
terminal connector sized for the wire gauge involved. Connector must be fixed using the
crimp tool specified by the connector manufacturer.
Short circuit rating
Suitable for use on a circuit capable of delivering not more than B rms symmetrical amperes, A
volts maximum.
Power
supply
voltage
Inverter type Power supply max. voltage A Power supply current
㧮
A-1
CUB5A-1
CUB8A-1
Single-
phase
200V
CUB11A-2
240 VAC 100,000 A or less
Notes 1) A box (
) in the above table replaces E suffix for filtered version
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