Class 8839 Econoflex™ AC Drives
Technical Characteristics
197
09/2003 © 2000–2003 Schneider Electric All Rights Reserved

TECHNICAL CHARACTERISTICS

Specifications for 460 Vac Drive Controllers

Input voltage 460 V ±10%, 230 V ±10%, 208 V ±10%
Displacement power factor 98% through speed range
Input frequency 60 Hz ± 5%
Output voltage Three-phase output
Maximum voltage equal to input voltage
Galvanic isolation Galvanic isolation between power and control (inputs, outputs, and power supplies)
Frequency range of power converter 0.1 to 500 Hz (factory setting of 60 Hz maximum)
Current 110% of controller rated current for 60 s
Switching frequency Selectable from 0.5 to 16 kHz◆
Factory setting: 8 kHz
Speed reference
AI1: 0 to 10 V, Impedance = 30 kΩ
Speed potentiometer to AI1.
AI2: Factory Setting: 4 to 20 mA, Impedance = 100 Ω
(re-assignable, X–Y range with keypad display)
Factory Mod J09: provides controller interface 0-10 Vdc reference signal into
AI2 input using 0-10 V/4-20 mA converter with Z= 100 kΩ.
Frequency resolution in analog reference 0.1 for 100 Hz (10 bits)
Speed regulation V/f: determined by motor slip, typically 3%
SLFV (sensorless flux vector): 1%
Efficiency 97% at full load typical
Reference sample time 5 ms
Acceleration and deceleration ramps 0.1 to 999.9 seconds (definition to 0.1 s increments)
Motor protection Class 10 electronic overload protection
Class 20 electromechanical overload protection with bypass▲
Keypad display Self diagnostics with fault messages in three languages; also refer to Instruction
Bulletin VVDED397047US
Temperature Storage: -13 to +149 °F (-25 to +65 °C)
Operation: +14 to +104 °F (-10 to 40 °C)
Humidity 95% with no condensation or dripping water, conforming to IEC 60068-2-3
Altitude 3,300 ft. (1000 m) maximum without derating; derating of the current by 1% for each
additional 330 ft. (100 m)
Enclosure Type 1 or Type 12K (Type 12 with knockouts)
Pollution degree Type 1: Pollution degree 2 per NEMA ICS-1 Annex A and IEC 60664-1
Type 12K: Pollution degree 3 per NEMA ICS-1 Annex A and IEC 60664-1
Operational test vibration Conforming to IEC 60721-3-3-3M3 amplitude
1.5 mm peak to peak from 3 to 13 Hz
1 g from 13 to 200 Hz
Transit test to shock Conforming to National Safe Transit Association and International Safe Transit
Association test for packages.
Operational shock 15 g, 11 ms
Codes and standards UL Listed per UL508C under category NMMS.
Conforms to applicable NEMA ICS, NFPA, and IEC Standards.
Manufactured under ISO 9001 Standards.
◆Above 8 kHz, select the next largest size drive controller. If the duty cycle does not exceed 60% (36 s maximum for a 60 s cycle), this is not
necessary.
▲Class 10 electromechanical for 1 HP at 460 Vac.