Macromatic ARP Series Data Sheet
SPDT & DPDT DUPLEXOR
ARP Series
Application data
Voltage Tolerances: +10%/-15% of control voltage at 50/60Hz.
Load (Burden): Less than 3VA
Output Contacts:
10A @ 240V AC/30V DC,
1/2HP @ 120/240V AC (N.O.), 1/3HP @ 120/240VAC (N.C.)
Life:
Mechanical: 10,000,000 operations
Full Load: 100,000 operations
Temperature: Operating: -28o to 65oC (-18o to 149oF)
Storage: -40o to 85oC (-40o to 185oF)
Dimensions
Transient Protection: 10,000 volts for 20 microseconds
Indicator LEDs: 2 LEDs marked LOAD A and LOAD B
Optional Selector Switch Settings:
LOAD 1
ALTERNATE
LOAD 2
Approvals:
File #E109466
File #LR45565 Low Voltage &
EMC Directives
EN60947-1, EN60947-5-1
File #E109466
appropriate
socket
alternating relays | plug-in
with
2.4 (60)
All Dimensions in
Inches (Millimeters)
1.7
(43)
2.9
(74)
3.1
(79)
Typical installations
In the initial off state (Figure A), the Control Switch is open, the Alternating Relay is in the LOAD 1 position, and both loads (M1 &
M2) are off. The red LED marked “LOAD 1” is ON. When the Control Switch closes, it energizes Load M1. As long as the Control
Switch remains closed, Load M1 remains energized. When the Control Switch opens, Load M1 is turned off and the Alternating
Relay toggles to the LOAD 2 position. The red LED marked “LOAD 2” glows. When the Control Switch closes again, it energizes
Load M2. When the Control Switch opens, Load M2 is turned off, the Alternating Relay toggles back to the LOAD 1 position, and
the process can be repeated again. On relays with DPDT contacts, two pilot lights can be used for remote indication of LOAD 1 or
LOAD 2 status.
To eliminate any bounce condition of the Control Switch, the addition of a second switch (OFF) along with two auxiliary contacts is
recommended as shown in Figure B.
Figure A Figure B
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DPDT CROSS-WIRED DUPLEXOR
ARP Series
Application data
Voltage Tolerances: +10%/-15% of control voltage at 50/60Hz.
Load (Burden): Less than 3VA
Output Contacts:
10A @ 240V AC/30V DC,
1/2HP @ 120/240V AC (N.O.), 1/3HP @ 120/240VAC (N.C.)
Life:
Mechanical: 10,000,000 operations
Full Load: 100,000 operations
Temperature: Operating: -28o to 65oC (-18o to 149oF)
Storage: -40o to 85oC (-40o to 185oF)
Dimensions
2.4 (60)
Transient Protection: 10,000 volts for 20 microseconds
Indicator LEDs: 2 LEDs marked LOAD A and LOAD B
Optional Selector Switch Settings:
LOAD 1 (always energizes fi rst)
ALTERNATE
LOAD 2 (always energizes fi rst)
Approvals:
File #E109466 File #LR45565 Low Voltage &
EMC Directives
EN60947-1, EN60947-5-1
with
appropriate
socket
File #E109466
alternating relays | plug-in
All Dimensions in
Inches (Millimeters)
1.7
(43)
2.9
(74)
3.1
(79)
Typical installations
In the initial off state (diagram below left), both the LEAD Control Switch and the LAG Control Switch are open, the Alternating Relay is in the LOAD 1 position, and
both loads are off. The red LED marked “LOAD 1” is ON. When the LEAD Control Switch closes, it energizes Load M1. As long as the LEAD Control Switch remains
closed, Load M1 remains energized. If the LAG Control Switch closes, it energizes Load M2. When the LAG Control Switch opens, Load M2 is turned off. When the
LEAD Control Switch opens, Load M1 is turned off and the Alternating Relay toggles to the LOAD 2 position. The red LED marked “LOAD 2” is ON. When the LEAD
Control Switch closes, it turns on Load M2. If the LAG Control Switch closes, it will energize Load M1. When the LAG Control Switch opens, Load M1 is turned off.
When the LEAD Control Switch opens, Load M2 is turned off, the Alternating Relay toggles back to the LOAD 1 position, and the process can be repeated again.
The diagram below right illustrates a type of operation known as “Sequence On - Simultaneously Off (S.O.S.O.)”-the two loads are energized sequentially , but remain
on together until the OFF switch is opened.
In the initial OFF state, all three switches are open, the Alternating Relay is in the LOAD 1 position, and both loads are off. No action happens with the Alternating
Relay or either load when the OFF Switch closes. When the LEAD Switch closes, Load M1 turns on. When the LAG Switch closes, Load M2 turns on. Both loads
remain on as long as all three switches are closed.
When the LAG Switch opens, Load M2 remains on because the OFF Switch is still closed. When the LEAD Switch opens, Load M1 remains on because the OFF
Switch is still closed. When the OFF Switch opens, both Load M1 and Load M2 are turned off simultaneously . The Alternating Relay toggles to the LOAD 2 position.
The entire cycle is then repeated, but with Load M2 energized fi rst followed by Load M1.
Figure A Figure B
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