•
TDR-A
21
Supply
21
-+
C1
Input Voltage
+
-
Alternating Relay
Local or Remote
• Sequence Switch
• 24 to 240VAC/VDC
(Universal Voltage)
• Float or Contact Input
• Local or Remote
Selector Switch
• Plug-In Package
• Status LEDs
Specications
Electrical
Supply Voltage: 24VAC/VDC
to 240VAC/VDC
Frequency: 50 to 400Hz
Pick-Up/Drop-Out Delay: 0.5 Sec
Pump Select: Pump #1-Auto-Pump #2
Switch Select: Local-Remote
Power Consumption: 1.5VA
Indicators: 2 LEDs
Output Relay: Green-On; Red-Off
Float Input: Green-Closed; Red-Open
Output Rating @ 25°C:
5 Amps @ 250VAC (General Purpose)
1/8 HP @ 120VAC
5 Amps @ 30VDC
B300 (Pilot Duty)
360 VA
3 Amps @ 120VAC
1.5 Amps @ 240VAC
Ordering Information
TDR - 24/240V - A A 8
R-K Model
Voltage
24/240V - 24-240VAC/VDC
Physical
Mounting: Plug-In
Termination: 8 or 11Pin
Packaging: Dust Cover
Weight: 8.5 Oz. Approx.
Ambient Temperatures
Operating: 0°C to 65°C
Storage: -40°C to 85°C
Must be used with UL approved
socket to satisfy UL Listing.
Option
X - Cross-Wired
Txx
Listed
42L2
Operation
Alternator Function
The TDR-A provides an alternating function, based on the opening of the remote
contact “C” (Float Switch).
With supply power applied when the
remote contact C closes, the output relay
stays in its existing condition. When contact C opens, the output relay changes
state. Each subsequent opening of the
contact C changes the state of the output
contacts and provides the alternating
function.
Selecting “Adjustable” option provides a
Local-Remote pump selection switch on
the TDR-A.
• Local - “Pump 1-Auto-Pump 2” switch
is on the TDR-A
• Remote - A remote selector switch can
be wired into the socket
Relay LED: Red - De-energized
Green - Energized
Input LED: Red - No Input Signal
Green - Closed Input
7/17/12
Adjustment
A - Adjustable
F - Fixed
Part number includes
socket and holddown.
Connections
Supply
-
Remote
Switch
A
21
45
3
2
1
Function
& Base: AA8-X
+
Function
& Base: AA8
C
6
7
8
Remote
Switch
45
3
C
2
1
Function
A - Alternator
X - Special
A
6
.
7
8
Dimensions
3.6"
Supply
+
Remote
Switch
C
5
4
3
2
1
Function
& Base: AA11
-
A
6
7
8
9
10
11
Pin Base
8 - 8 Pin Base
11 - 11 Pin Base
.6" 1.8"
2.3"
Example: TDR-24/240V-AA8
MS1 = Load #1 (Motor Starter)
MS2 = Load #2 Motor Starter
C1 = Control Contact
Supply
5
4
MS1
3
2
1
MS2
6
7
8
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