Toshiba TOSVERT VF-nC3 User Manual

E6581595
I-9
9
9.2.6 Motor thermal protection
The devices VF-nC3 are provided with integral overload and over-speed protection for the motor after
activation of this function by setting.
Protection at 100% of the full load motor current. The motor thermal protection current (thr) must be
set to the rated current indicated on the motor nameplate.
In case of multi motor operation with one inverter, thermal relay should be connected to each motor.
For setting parameters of the motor thermal protection, refer to section 3.5.
9.2.7 Other
Please contact where you purchase the inverter, your Toshiba sales representative, if you need the hard copy
(paper) of CD-ROM. Or please contact to phone number of back cover in instruction manual.

Toshiba TOSVERT VF-nC3 Specifications

General

Model	VF-nC3
Category	Inverter
Output Frequency Range	0.1 to 400 Hz
Control Method	V/f control, sensorless vector control
Overload Capacity	150% for 60 seconds
Input Frequency	50/60 Hz
Enclosure Rating	IP20
Input Voltage	200-240V AC
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat, Short Circuit
Ambient Temperature	-10°C to +50°C
Communication	Modbus RTU
Cooling Method	Fan Cooled
Operating Temperature	-10°C to +50°C
Storage Temperature	-20°C to +60°C
Humidity	5 to 95% RH (non-condensing)
Altitude	Up to 1000m
Braking Unit	Built-in braking transistor (for models up to 22kW), External braking resistor required