Page 5
IronHorse GSD3 DC Drives User Manual – 1st Ed, Rev C – 10/15/2019
Selection and Specifications
GSD3 Series DC Drives – Selection & Specifications
Model
GSD3-
24A-2CJ
GSD3-
24A-2CL
GSD3-24A-3N4
GSD3-
240-2CJ
GSD3-
240-2CL
GSD3-240-3N4
Package Configuration
open frame
NEMA 4
open frame
NEMA 4
Power Quality Form Factor
1.4
Input Voltage (@ 50/60 Hz)
12 or 24 VAC ±10%
120 or 240 VAC ±10%
Output Voltage
0–12 or 0–24 VDC
0–90 or 0–180 VDC
Shunt Field Voltage & Current
10 VDC @ 12 VAC
20 VDC @ 24 VAC
(1A max)
10 VDC @ 12 VAC
20 VDC @ 24 VAC
(0.75A max)
100 VDC @ 120 VAC
200 VDC @ 240 VAC
(1A max)
100 VDC @ 120 VAC
200 VDC @ 240 VAC
(0.75A max)
Output Rating (hp)
1/50 – 1/40 @ 12V
1/25 – 1/20 @ 24V
1/50 – 1/25 @ 12V
1/25 – 1/12 @ 24V
1/50 – 1/6 @ 90V
1/25 – 1/3 @ 180V
1/50 – 1/3 @ 90V
1/25 – 2/3 @ 180V
Output Current (continuous)
150 mA to 2A (DC)
150 mA to 3A (DC)
150 mA to 2A (DC)
150 mA to 3A (DC)
Current Overload Capacity
200% for 60s
Current Limit
n/a
Transient Protection
Metal Oxide Varistor (MOV)
I.R. Compensation
adjustable – full range
Speed Adjustment
5kΩ potentiometer
Speed Range
25:1
Speed Regulation
±1% of base speed
Maximum Speed
adjustable from 40% to 120% of base speed
Minimum Speed
adjustable from 0% to 30% of maximum speed
Acceleration
0.5s (fixed)
Deceleration
0.5s (fixed)
Dynamic Braking
no
Plugging Capability **
no
Electrical Connections
spade connector lugs
External Fusing Required
Internal fusing is included which is adequate for GSD3-240-3N4 120 VAC line and neutral inputs.
Refer to “Fusing” (page 7) and “Wiring Diagrams” (page 7) for external fusing requirements for
other wiring configurations.
Operating Temperature
-10 to 45 °C
[14 to 113 °F]
-10 to 40 °C
[14 to 104 °F]
-10 to 45 °C
[14 to 113 °F]
-10 to 40 °C
[14 to 104 °F]
Thermal Protection
none
Mounting Orientation
can be mounted in any orientation
Corrosive Gases
NOT compatible with any corrosive gases
Weight
2.9 oz
[83g]
2.6 oz
[75g]
20.3 oz [575g]
2.9 oz
[83g]
2.6 oz
[75g]
20.3 oz [575g]
Agency Approvals
RoHS
C
UL
US
Listed (E333109), RoHS
Optional Accessories *
Replacement Potentiometer
GSDA-5K
Manual Reverse Switch
GSDA-MREV***
* For accessories details, please visit www.AutomationDirect.com.
** Plugging is a method of rapidly changing motor direction by reversing motor armature polarity, while the motor is still running.
*** To meet NEMA4 requirements, GSDA-MREV requires a user provided external exclosure.
