Product Description
Description: Delay on Make • Time Delay Relay • Input Voltage : 24 VAC/VDC • Timing Range: 1 - 300 sec • Mounting : Base Mount • Contact Configuration: NO • Output Current: 1 Amp
| Product Information | Resources |
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| Specifications |
| Product Attribute | Attribute Value |
| Operating Voltage | 24 VAC/DC |
| Timing | Adjustable |
| Timing Range | 1-300 sec |
| Voltage Tolerance: | ±20% at specified operating voltage. |
| Timing Mode: | Delay-On-Make, external load energizes after preset timing period. |
| Fixed Timing: | Factory fixed at any timing period from 0.1 seconds to 10,000 seconds. |
| Tolerances On Fixed Timing: | 10%. |
| Adjustable Timing Ranges: | Twenty (20) ranges from five (5) models of adjustable delay-on-make timing from 0.1 seconds to 8,000 seconds. |
| Adjustable Timing Setting Accuracy: | Minimum time - 15%, +0%. Maximum time - 0%, +15%. |
| Timing Resistor Rating: | Worst case power dissipation never exceeds 3 milliwatts. |
| Timing vs External Timing Resistor: | See External Timing Resistance Chart. |
| Timing Variation: | Less than 6% of set point over full temperature and voltage range. |
| Repeatability Of Timing Period: | ±1% at stabilized operating voltage temperature. |
| Recycle Time | Operating voltage must be removed for a minimum of 50mS after timing period, 200 milliseconds during timing period to assure new cycle repeats to full time delay period. |
| Output Rating | 10mA to 1A inductive with inrush current to 25A for 8 milliseconds. |
| Output Switch Characteristics | 4 volt drop across output switch when ON, 3mA leakage when OFF |
| Transient Protection | Protected by silicon transient suppressors responding to transients within 1 x 10^(-12) seconds to a peak pulse power dissipation of 1500 watts, with transient surge currents to 200 amperes for durations up to 1/120 second at 25°C. Maximum transient voltage protection is 6000 volts as delivered through a source resistance of 30 ohms with a maximum duration of 8.3ms. |
| Dielectric | 1500V all terminals to case. |
| Operating Temperature | -20°C to +85°C |
| Construction | Encapsulated module with .25 quick connect wiring terminals. |
| Series Features |
| Model No. 438 Delay-On-Make Time Capsule® |
| Series Description: The model 438 Time Capsule is an all Solid State timer providing Delay on Make control to any 1 Ampere AC or DC load, such as a relay, solenoid or lamp. Simply connect the timer in series with the load, polarity need not be observed. When power is applied, the 438AF remains in the off state. When the preset time period has elapsed, the 438AF switches on allowing the load to energize. The load remains energized as long as power is applied. |