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DRC Series
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Wiring Diagram
DRC3P Contactor Block Diagrams
DRC3R Reversing Contactor Block Diagram
Timing Diagram for DRC3R Reversing Contactor
General Notes
INPUT
STATUS
13 21/23 A1A3
14 22/24 A2
L1 L2 L3
T1 T2 T3
XXXX
IND. CONT. EQ.
DRC3
CONTROL
INPUT
(Reverse)
[DRC3R
model only]
CONTROL
INPUT
(Forward)
COMMON
FOR CONTROL
INPUT
1st Auxiliary Contact (18 - 280 VAC)
2nd Auxiliary Contact (18 - 280 VAC)
(L,N)
(M,N)
L1 L2 L3
T1 T2 T3
T1 T2 T3
General Use /
AC-51 Application
T1 T2 T3
M
3
Motor Controller /
AC-53 Application
Overload current
protection needs
to be considered
DRC3P
(3 controlled legs model)
Main Circuit
L1
T1
L2
T2
L3
T3
A1
A2
13
14
23
24
DRC3Pxxx4
20x
(2 Normally Open)
Auxiliary Contacts
DRC3Pxxx400x
Without
Auxiliary Contacts
DRC3P
(2 controlled legs model)
Main Circuit
L1
T1
L2
T2
L3
T3
A1
A2
L1
T1
L2
T2
L3
T3
DRC3R
A1
A2
13
14
21
22
DRC3Pxxx4
11x
(1 Normally Open - 1 Normally Closed)
Auxiliary Contacts
13
14
Forward
Forward
23
24
L1
T1
L2
T2
L3
T3
A3
A2
Reverse
DRC3Rxxx420
models only
Step Description
1, 4, 10
2
3, 9
4
5
6
7
8
Initial Condition A1 & A3 open
A1 is activated, FWD Output wait for 100 ms
FWD direction is activated
A1 change to off. FWD Output is desable at the same time
A3 is activated REV Output wait for 100 ms
REV direction is On
Interlock fuction is activated. REV is desable due to A1 & A3 are both activated
A3 is open, A1 closed, activation delayed 100 ms
(A) All parameters at 25°C unless otherwise specified.
(B) For DRC3P relay will self trigger between 900-1200 V,
not suitable for capacitive loads.
(C) Mounted in the Vertical position.
(D) For low temperature operation consider nominal
control voltage.
(E) For DRC3R the turn-on time is 100 ms ± 30 ms.
(F) For DRC3R the turn-off time is 20 ms.
(G) For input to auxiliary output the dielectric strength is
2.5 KV.
(H) Reverse Amber Indicator is for DRC3R models only.
(J) When protected with J Class fuses rated 600 VAC. 20
Amp or equivalent.
(K)
To achieve maximum ratings, there must be a
minimum spacing of 0.8 inch (22 mm) between the
devices in free air and a minimum free spacing of 3.15 in
(80 mm) at the top and at the bottom.
(L) Normally Open (13 - 14) for DRC3xxxx411 models and
DRC3xxxx420 models.
(M) Normally Open (23-24) for DRC3xxxx420 models,
Normally Closed (21-22) for DRC3xxxx411 models.
(N) Not available for DRC3xxxx400 models.
Input/Output 1 2 3 4 5 6 7 8 9 10
Input A1
Input A3
FWD Direction
100 msec 100 msec
REV Direction
100 msec interlock
Time Diagram
Reverse