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TDR4B22

Product Status| Activei
TDR1A22

TDR4B22

SOLID STATE ON/OFF TIMER | Series: TDR
info
The TDR Series of time-delay relays are comprised of digital circuitry and an isolated, 10A relay output. The on and off delays are selected by means of two, ten position binary switches, which allow the setting of the desired delay to be precise every time.


Operation (Recycling - ON Time First)
Upon application of input voltage, the green LED glows, the output relay is energized, the red LED glows, and the T1 ON time begins. At the end of the ON time, the output deenergizes, the red LED turns OFF and the T2, OFF time begins. At the end of the OFF time, the output relay energizes and the cycle repeats as long as input voltage is applied.
Reset: Removing input voltage resets the output and time delays, and returns the sequence to the first delay.


Operation (Recycling - OFF Time First)
Upon application of input voltage, the green LED glows, the T1 OFF time begins, the load is OFF. At the end of the OFF time, the T2 ON time begins, the load energizes, and the red LED glows. At the end of the ON time the load de-energizes and the red LED turns OFF. The cycle repeats until input voltage is removed.
Reset: Removing input voltage resets the output and the sequence to the OFF time.

PropertyValue
Input Voltage (V)
120 V ac
Output Form
DPDT
Time Delay Range (s)
ON time first: 1 - 1023 s in 1 s increments; OFF: 1 - 1023 s in 1 s increments
Dimensions
3.2 H x 2.4 W in. (81.3 x 60.7 mm)
Indication
Input Green: LED on when input voltage is applied; Relay Red: LED ON when output relay energizes
Input AC Line Frequency (Hz)
50/60
Input Tolerance (%)
-20% - 10%
Insulation Resistance (Ω)
≥100
Isolation Voltage
≥1500 Vrms input to output
Life
Electrical: 1 x 10⁵; Mechanical: 1 x 10⁷
Mounting Method
Plug-in socket
Operating Temperature Max (°C)
60
Operating Temperature Maximum Fahrenheit
140
Operating Temperature Minimum Celsius
-20
Operating Temperature Minimum Fahrenheit
-4
Output Load Rating (VA)
10 A resistive @ 120/240 V ac and 30 V dc; 1/3 hp @ 230 V ac
Output Type
Electromechanical relay
Power Consumption
≤2 VA
Recycle Time
≤500
Repeat Accuracy (%)
±0.1% or 20 ms whichever is greater
Reset Time (ms)
≤150
Setpoint vs. Ambient Temperature and Operating Voltage
≤±2%
Setting Accuracy
≤±2% or 50 ms whichever is greater
Storage Temperature Maximum Celsius
85
Storage Temperature Maximum Fahrenheit
185
Storage Temperature Minimum Celsius
-30
Storage Temperature Minimum Fahrenheit
-22
Termination Type
Octal 8-pin plug-in
Time Delay Type
Microcontroller
Undervoltage Trip Voltage (%)
023 s in 1 s increments; OFF: 1 - 1

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TDR4B22SOLID STATE ON/OFF TIMER

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