Drives Service & Support > 2300 > 2361 > Specifications

General Specifications
Subject	Specifications
AC Input Frequency Tolerance	50/60Hz ±3Hz
AC Input Voltage Tolerance	±10%
Overload Capability	1 minute out of 20 minutes at rated load and temperature
Minimum Continuous Load Requirement	33% of rated DC bus continuous current
Operating Altitude	Up to 1000 meters (3,300 feet) †
Ambient Temperature (Operating)	0 to 40°C (32 to 104°F)
Relative Humidity (Operating/Storage)	5 to 95%, non-condensing
Ambient Temperature (Storage)	-40 to 70°C (-40 to 158°F)
† For altitudes greater than 1000 meters, refer to the altitude derate chart.

Unit Specifications
The following specifications apply to the 1250, 1650, and 3000A DC drives with standard options.
Specifications	1250A Drive	1650A Drive	3000A Drive
Height1	91.5” (2324 mm)	91.5” (2324 mm)	111.5” (2832 mm)2
Width	75” (1905 mm)	75” (1905 mm)	95” (2413 mm)
Depth	20” (508 mm)	20” (508 mm)	20” (508 mm)
MCC Sections	3	3	4
Shipping Weight	2500 lbs (1134 kg)	2500 lbs (1134 kg)	3500 lbs (1588 kg)
Operating Sound Level	dB, wt. A	83 dB, wt. A	82 dB, wt. A
1The height includes a 1.5"-high base channel.
2The height for the 3000A unit includes the enclosure height (90"), the base channel (1.5"), and the tophat assembly (20"). The top hat assembly is shipped loose from the unit.

Electrical Specifications (1250A DC Drive)
Input		Output
Nominal Input Voltage (V AC)	Nominal Input Power (kVA)	Nominal Armature Voltage (V DC)	Nominal Armature Current (A DC)	Maximum Field Voltage (V DC)	Maximum Field Current (A DC)	Nominal HP
460	750	500	1100	300	43 or 90	700
460	848	500	1250	300	43 or 90	750
575	856	600	1000	300	43 or 90	750
575	909	600	1065	300	43 or 90	800
575	1060	600	1250	300	43 or 90	900
660	852	700	860	300	43 or 90	750
660	904	700	915	300	43 or 90	800
660	1011	700	1030	300	43 or 90	900
660	1217	700	1250	300	43 or 90	1000

Electrical Specifications (1650A DC Drive)
Input		Output
Nominal Input Voltage (V AC)	Nominal Input Power (kVA)	Nominal Armature Voltage (V DC)	Nominal Armature Current (A DC)	Maximum Field Voltage (V DC)	Maximum Field Current (A DC)	Nominal HP
460	867	500	1280	300	43 or 90	800
460	972	500	1440	300	43 or 90	900
460	1108	500	1650	300	43 or 90	1000
575	1125	600	1330	300	43 or 90	1000
575	1385	600	1650	300	43 or 90	1250
660	1590	700	1650	300	43 or 90	1250

Electrical Specifications (3000A DC Drive)
Input		Output
Nominal Input Voltage (V AC)	Nominal Input Power (kVA)	Nominal Armature Voltage (V DC)	Nominal Armature Current (A DC)	Maximum Field Voltage (V DC)	Maximum Field Current (A DC)	Nominal HP
460	1374	500	2000	300	43 or 90	1250
460	1634	500	2400	300	43 or 90	1500
460	2024	500	3000	300	43 or 90	1750
575	1713	600	1995	300	43 or 90	1500
575	1985	600	2330	300	43 or 90	1750
575	2254	600	2660	300	43 or 90	2000
575	2531	600	3000	300	43 or 90	2250
660	1705	700	1715	300	43 or 90	1500
660	1971	700	2000	300	43 or 90	1750
660	2242	700	2290	300	43 or 90	2000
660	2508	700	2575	300	43 or 90	2250
660	2905	700	3000	300	43 or 90	2500

The 1250, 1650, and 3000A DC drives dissipate power proportionally to the armature current, as shown in the following figures.

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