Section 7

Specifications, Ratings & Dimensions

Specifications:

Horsepower

10-50 HP @ 230VAC

 

 

 

10-450 HP @ 460VAC

 

 

Input Frequency

50/60 HZ ± 5%

 

 

 

 

Note: 50Hz operation requires a 15% control

 

derating.

 

 

Output Voltage

0 to Maximum Input VAC

 

 

Output Current

See Ratings Table

 

 

Service Factor

1.0

 

 

 

Duty

Continuous

 

 

 

Overload Capacity

Constant Torque Mode:

170-200% for 3 secs

 

 

 

150% for 60 secs

 

Variable Torque Mode:

115% for 60 secs

Speed Command Potentiometer

5k or 10k ohm, 0.5 watt

 

 

Operating Conditions:

 

 

 

 

Voltage Range: 230 VAC Models

180-264 VAC 3φ

60 Hz / 180-230 VAC 3φ

50 Hz

460 VAC Models

340-528 VAC 3φ

60 Hz / 340-460 VAC 3φ

50 Hz

 

Note: 50Hz operation requires a 15% control

 

derating.

 

 

Input Line Impedance:

3% minimum

 

 

 

Ambient Operating Temperature:

10 to +40 ° C

 

 

 

 

Derate Output 2% per ° C over 40 ° C to 55 ° C Max

Rated Storage Temperature:

– 30 ° C to +65 ° C

 

 

Enclosure:

NEMA 1:

EL (suffix) Control Module

 

NEMA 1:

EK (suffix) Control Module

 

NEMA 1:

EK (suffix) Filter Assembly

 

Open Chassis:

EK 12% Boost Regulator

 

 

3% Line Reactor

 

Humidity:

NEMA 1:

10 to 90% RH Non-Condensing

Altitude:

Sea level to 3300 Feet (1000 Meters)

 

 

Derate 2% per 1000 Feet (303 Meters) above 3300 Feet

Shock:

1G

 

 

 

Vibration:

0.5G at 10Hz to 60Hz

 

 

Keypad Display:

 

 

 

 

Display

Backlit LCD Alphanumeric

 

 

 

2 Lines x 16 Characters

 

 

Keys

12 key membrane with tactile response

 

Functions

Output status monitoring

 

 

 

Digital speed control

 

 

 

Parameter setting and display

 

 

 

Diagnostic and Fault log display

 

 

 

Motor run and jog

 

 

 

Local/Remote toggle

 

 

LED Indicators

Forward run command

 

 

 

Reverse run command

 

 

 

Stop command

 

 

 

 

Jog active

 

 

 

Remote Mount

100 feet (30.3m) max from control

 

MN722

Specifications, Ratings & Dimensions 7-1

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Baldor mn722 manual Section Specifications, Ratings & Dimensions