Page 6
IronHorse GSD7 DC Drives User Manual – 1st Ed, Rev C – 10/24/2018
S
eleCTiOn
anD
S
peCifiCaTiOnS
GSD7 Series DC Drives – Selection & Specifications
Model
GSD7-120-
1CR3
GSD7-120-
1CR30
GSD7-120-
5CR3
GSD7-120-
10CR30
GSD7-240-
1CR3
GSD7-240-
5CR3
GSD7-240-
10CR30
Package Configuration
open frame
Power Quality Form Factor
14
Input Voltage (@50/60Hz)
120 VAC ±10%
240 VAC ±10%
Output Voltage
0–90 VDC
0–180 VDC
Shunt Field Voltage
100 VDC (1A max)
200 VDC (1A max)
Motor Rating (hp)
1/15 – 1/8
1/8 – 1/2
1/8 – 1
1/25 – 1/4
1/4 – 1
1/4 – 2
Output Current
(continuous)
500mA–12A
(DC)
500mA–55A
(DC)
500mA–10A
(DC)
500mA–12A
(DC)
500mA–55A
(DC)
500mA–10A
(DC)
Current Overload Capacity
200% for 60s
Current Limit (adjustable)
03–3A (DC)
1–18A (DC)
03–3A (DC)
1–18A (DC)
Cycling Rate (cycles/min)
3
30
3
30
3
3
30
Transient Protection
Metal Oxide Varistor (MOV)
I.R. Compensation
adjustable
Speed Adjustment
5kΩ 0.5W potentiometer or 0–10VDC isolated input signal
Speed Range
50:1
Speed Regulation
±1% of base speed
Maximum Speed
adjustable from 60% to 110% of base speed
Minimum Speed
linear ramp 0–30% of adjustable maximum speed
Acceleration
05 seconds
Deceleration
05 seconds
Dynamic Braking
yes
Plugging Capability **
yes
Electrical Connections
barrier-type terminal blocks; 22–14 AWG
External Fusing Required
Bussman ABC or Littelfuse 314 series ceramic fuses or equivalent
Refer to “Installation and Wiring” section for details
Operating Temperature
-10 to 45 °C [14 to 113 °F]
Thermal Protection
current limiting
Mounting Orientation
can be mounted in any orientation
Corrosive Gases
NOT compatible with any corrosive gases
Weight
11 lb
[490g]
33 lb
[1497g]
11 lb
[490g]
33 lb
[1497g]
11 lb
[490g]
11 lb [490g
33 lb
[1497g]
Agency Approvals
C
UL
US
Listed (E333109), RoHS
Optional Accessories *
Replacement
Potentiometer
GSDA-5K
Digital Potentiometer
GSDA-DP
* 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.