N3 Drive Operations Manual
Appendix A- General Specifications
Cont.
A2
Communication control
1. RS232 or RS485
2. Multiple inverter networking (RS485 ONLY).
3. Baud rate, stop bit and parity can be set.
Braking torque
20% - 100% for models with built-in braking transistor and braking resistor.
E
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vir
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al
Operation temperature
14-120°F
(-10 - 50°C) (
Note3)
Storage temperature
- 4 to 140°F (-20 to 60°C)
Humidity
0
– 95% Relative humidity (Non-condensing)
Vibration
1G (9.8m/s
2
)
Altitude
< 3,281 ft. (1000m)
(De-rate for higher altitudes)
EMC
Complies with requirement EN 61800-3 (with optional filter).
LVD
Complies with requirement EN 50178
Enclosure
IP20 ( NEMA with external enclosure)
Safety level
UL 508C
P
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tec
ti
ve
Fu
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ctio
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s
Overload
150 % for 1min
Over voltage
230V class: DC voltage
＞
410V 460V class: DC voltage
＞
820V
Under voltage
230V class: DC voltage
＜
190V 460V class: DC voltage
＜
380V
Momentary power loss
restart
For power interruptions of 15 ms or more and less than 2 sec., operation can be
continued. (refer to parameters
A013 & A014
)
Stall prevention
Stall prevention for acceleration/ deceleration/ operation.
Short-circuit output terminal
Electronic circuit protection
Grounding fault
Electronic circuit protection
Other functions
Protection for overheating of heat sink, over torque detection, error contact control,
reverse prohibit, prohibit for direct start after power up, and error recovery, and
parameter lock out.
Note 1
: 220V, 15HP and above
are not
CE compliant
Note 2
: The frequency setting resolution above 100Hz is 0.1Hz when controlled by the keypad and 0.01 Hz when
controlled by a computer (PC) or programmable controller (PLC).
Note 3
: 14 -120°F
(
–10 - 50°C) Open chassis (without dustproof cover),
14 -104°F
(
–10 - 40°C) NEMA 1 (with dustproof cover).
