Specifications
Altivar
®
31 Adjustable Speed AC Drives
Technical Specifications
© 2004–2005 Schneider Electric All Rights Reserved
6
4/2005
TECHNICAL SPECIFICATIONS
Environment
Degree of protection
• IP20 without protective vent cover, NEMA 1, UL open type
• IP21 on wiring terminals
• IP31 and IP41 all other areas
• UL Type 1 without removal of the protective vent cover from the top of the controller and with the addition of the
Conduit Entry Kit.
Resistance to vibration
Conforming to IEC/EN 60068-2-6: 1.5 mm peak to peak from 3 to 13 Hz, 1 gn from 13 to 150 Hz
Resistance to shock
15 g for 11 ms conforming to IEC/EN 60068-2-27
Pollution degree
Pollution degree 2 according to UL 840. Protect the drive against dust, corrosive gas, and falling liquid.
Maximum relative humidity
96% maximum, non-condensing and without dripping (provide heating system if there is condensation)
Conforms to IEC 60068-2-3
Maximum ambient temperature
Storage: -13 to +158 ° F (-25 to +70 ° C)
Operation: +14 to +122 °F (-10 to +50 ° C) without vent cover removed and without derating;
+14 to +140 ° F (-10 to +60 ° C) with vent cover removed and with derating. Refer to derating curves on page 30.
Altitude
Up to 3,300 ft (1,000 m) without derating; derate by 1% for each additional 330 ft (100 m)
Operating position
Maximum permanent angle in relation to the
normal vertical mounting position
Electrical characteristics
Input voltage
ATV31••••M2 (1 phase): 200 V -15% to 240 V +10%
ATV31••••M3X (3 phase): 200 V -15% to 240 V +10%
ATV31••••N4 (3 phase): 380 V -15% to 460 V +15%
ATV31••••S6X (3 phase): 525 V -15% to 575 V +15%
Input frequency
50/60 Hz ±5%
Input phases
ATV31••••M2: 1
ATV31••••M3X: 3
ATV31••••N4: 3
ATV31••••S6X: 3
Output voltage
Maximum voltage equal to input voltage
Output frequency
0 to 500 Hz
Output phases
3
Speed range
1:50
Transient overtorque
170–200% nominal motor torque (typical value)
Maximum transient current
Up to 150% of nominal drive controller current for 60 seconds
Braking torque
With braking resistor: 100% of nominal motor torque continuously and up to 150% for 60 s.
Without braking resistor:
• Drive controllers ≥ ATV31•U22••: 30% of nominal motor torque
• Drive controllers ≤ ATV31•U15••: 50% of nominal motor torque
• Drive controllers ≤ ATV31•075••: 100% of nominal motor torque
• Drive controllers ≤ ATV31•018M2: 150% of nominal motor torque
Frequency resolution
Display: 0.1 Hz
Analog inputs: 0.1 Hz to 100 Hz maximum [(high speed – low speed)/1024]
Switching frequency
Adjustable from 2.0 kHz to 16 kHz. Randomly modulated by default, but this can be disabled.
Drive controller protection
Galvanic isolation between power and control (power supplies, inputs, outputs)
Protection against short circuits:
• within internal power supplies
• between output phases
• between output phases and ground
Protection against input phase loss
Thermal protection against overheating and overcurrents
Undervoltage and overvoltage faults
Overbraking fault
Motor protection
Thermal protection, integrated into the drive controller, by I
2
t calculation
Protection against motor phase loss
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com










