Description
The model 438U (Universal Time Capsule) is an all Solid State timer providing
Delay on Make control to any load
operating from 19 to 288V AC or DC. The time delay is adjustable from 1 to 1000 or 2-2000
seconds depending on the model selected, and is obtained by connecting a fixed resistor or
potentiometer across the middle terminals (10k per sec). When power is applied, the 438U
remains in the "off" state. After the preset period has elapsed the timer
switches "on" energizing the load.
Specifications
| Operating Voltage |
19-288VAC or DC, non polarized input. |
| Frequency |
50/60 HZ, for AC input voltages. |
| Output |
10 milliamperes to 1 ampere inductive. Inrush to 25 amperes
for 8 milliseconds. |
| Timing Mode |
Delay on Make. |
| Timing Ranges |
1-1000 and 2-2000 Seconds. |
| Timing Tolerance |
+/- 10% of calculated value. |
| Timing Adjustment |
Connect resistance (10K per second) across two center
terminals. Unit has a 1 second internal delay. |
| Timing Repeatability |
+/- 1% at stabilized operating voltage and temperature. |
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Ordering Information : Specify
Model 438U
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