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Time Delay Relay
The 021 Timer offers a delay on operate function. The timing range of the Adjustable Delay Timer is user specified up to one hour. The Delay on Operation can be manually set to any time within the selected range. Timing is initiated by application of power to the Time Delay. Upon completion of the timing cycle, the output relay will energize.

Unit of Measure

Specifications

Underwriter's Laboratories (UL) File Number

 N/A #E101681

Product Type

 N/A Delay On Operate

Alternating Current (AC) Operating Voltage

 N/A 120 V

Time Delay

 N/A 6 to 60 sec.

Relay Type

 N/A DPDT

Alternating Current (AC) Supply Voltage

 N/A 120 V

Supply Voltage Tolerance (±)

 N/A 10 %

Supply Phase

 N/A Single Phase

Supply Frequency

 N/A 50/60 Hz

Output Resistive Current Rating at 240 Volt Alternating Current (AC) Voltage

 N/A 10 A

Output Inductive Current Rating at 240 Volt Alternating Current (AC) Voltage

 N/A 3.6 A

Timing Range

 N/A Up to one Hour

Power Dissipation

 N/A < 1 Watt

Typical Reset Time

 N/A 30 ms

Operating Temperature

 N/A -40 to +60 ºC

Storage Temperature

 N/A -45 to 85 ºC

Enclosure Material

 N/A Polycarbonate Plastic

Base Material

 N/A Phenolic

Category

 N/A Time Delay Relays

Features

Features

 N/A
  • Solid State Circuitry
  • Standard Timing Ranges
  • DPDT 10A Relay
  • Plug In Base
  • Economical, Easy to Install

Installation Instruction

Installation Instruction

 N/A

A single phase AC line and properly rated light bulbs are needed to test the delay on operate timer.

  1. The AC line and light bulbs must be connected to the timer as shown in the test method diagram at the bottom left.
  2. When the power switch is turned on, AC power is applied to the timer and the timing cycle begins. The light bulbs will illuminate when the timing cycle is complete. A stopwatch can be used to verify the timing accuracy.

Test Method

Test Method

 N/A

A single phase AC line and properly rated light bulbs are needed to test the delay on operate timer.

  1. The AC line and light bulbs must be connected to the timer as shown in the test method diagram at the bottom left.
  2. When the power switch is turned on, AC power is applied to the timer and the timing cycle begins. The light bulbs will illuminate when the timing cycle is complete. A stopwatch can be used to verify the timing accuracy.