Class 8839 Econoflex™ AC Drives

Technical Characteristics

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

 

 

 

 

AI1: 0 to 10 V, Impedance = 30 k

 

Speed potentiometer to AI1.

Speed reference

AI2: Factory Setting: 4 to 20 mA, Impedance = 100

(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

 

 

 

 

Conforming to IEC 60721-3-3-3M3 amplitude

Operational test vibration

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

 

 

 

UL Listed per UL508C under category NMMS.

Codes and standards

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.

09/2003

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Schneider Electric 58 TRX manual Technical Characteristics, Specifications for 460 Vac Drive Controllers, 197