InstallationDISN RhaileMeoutnt
PART NUMBER NOMENCLATURE
Control Voltage
A: 90-280 VAC/VDC
D: 4-32 VDC
Switching Type
Blank: Zero Voltage Turn-On
R: Instantaneous Turn-On
DRH Series 3 Phase
Function
Series
3P: Contactor
Solid State Contactors
DRH
3P
60
Operating Voltage
60: 48-600 VAC
A
18
R
DIN Rail Mount
Rated Load Current
18: 18 Amps (3 Controlled legs)
20: 20 Amps (2 Controlled legs)
This installation sheet includes detailed mounting and wiring instructions which apply
for Crydom DRH 3 Phase Solid State Contactors. Be sure to visit the product series'
datasheet available at the Crydom website to complement this information. If you
have questions or need additional information please contact Crydom Tech Support.
Required for valid part number
For options only and not required for valid part number
Please read all mounting instructions before using your DRH Series Solid State
Contactor.
WIRING DIAGRAM(C)
L1
L2
L3
MOUNTING INSTRUCTIONS (A, B)
General Use /
AC-51 Application
To install on DIN rail
Install the contactor on the DIN
rail (as shown in fig.1).
T1
T2
T3
Wire the contactor to the input
L1
L2
L3
side. AWG #18 (0.8 mm2)
To remove from
minimum, AWG #12 (3.3 mm2) x
DIN rail
+A3
13
+A1
2 maximum.
Wire the contactor to the
output side. AWG #18 (0.8 mm2)
DRH3P60xxx
IND. CONT. EQ.
minimum, AWG #10 (5.3 mm2) x
CONTROL
INPUT
fig. 1
2 (stranded/solid) maximum.
Motor Controller /
AC-53a Application
XXXX
INPUT
STATUS
Use copper conductors with at
least a 75ºC insulation rating.
T1
T2
T3
fig. 2 Terminal
screw type.
Top/Bottom view.
Recommended strip length is
10 mm maximum.
-A4
14
-A2
T1
T2
T3
M
Maximum recommended terminal screw torque input 12 in-lb (1.36 Nm) & output
15 in-lb (1.7 Nm).
3
Overload current
protection needs to
be considered
If multiple units are installed be sure to follow derating curves
T1
T2
T3
WARNING! Removing product from 35 mm rail incorrectly by not using the
appropriate tool could damage the latching system.
0.9 in
[22 mm]
Minimum
Important Considerations
Be sure to use input and output voltages within operating ranges.
TABLE 1. HP Ratings at Nominal Voltage
Ambient Temperature
DRH @ 480 VAC
5 HP / 3.7 kW
3 HP / 2.2 kW
1.5 HP / 1.1 kW
LED indicates input and alarm status. It does not represent output
status.
40ºC
60ºC
80ºC
To achieve maximum ratings, there must be a minimum spacing of
0.9 in (22 mm) between the devices in free air. (See fig. 3)
fig. 3 Multiple units mounting
for maximum ratings
DERATING CURVES
DRH3P60x20
DRH3P60x18
20
15
10
5
18
15
12
9
Single unit, or multiple units with spacing
greater than minimum (see fig. 3)
Multiple units, no minimum spacing
between components (see fig. 3)
6
3
0
0
20
30
40
50
60
70
20
30
40
50
60
70
Ambient Temperature (ºC)
Ambient Temperature (ºC)
General Notes
(A) See compatible accessories in corresponding datasheet.
(B) For optimal thermal performance, contactor vents should be aligned vertically to maximize airflow.
(C) On models with 2 controlled legs, L2 and T2 are linked internally.
Rev. 031516
Do not forget to visit us at: www.crydom.com
Copyright © 2016 Crydom Inc. Specifications subject to change without notice.
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