What is a twin timer?

BY James Garrett 30/10/2022

What is a twin timer?

The Ingram Twin Timer, also known as an asymetrical timer is a versatile device. The “twin” in the name means you can set the “ON” time and “OFF” time independently. Most cycling timer relays are designed for a 50% duty cycle, meaning they are on half of the time and off half of the time.

What are the two classifications of timer relays?

ON-delay timers and OFF-delay timers are two common types of time delay relays and solid state timers.

What are timing relays used for?

Timing Relays are used extensively in industrial applications, HVAC systems and building services to provide time-delayed switching. For example to start a motor, control an electrical load, or simply automate an action. They play a vital role for targeted logic needs.

How to wire dual relay?

Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay (tab 87). Then connect switched power (usually from your ignition switch), to the blue wires on both relays (tab 86). Next, splice together both black wires from the relays (tab 85) and connect them to the thermostat switch.

How to wire a timer relay?

Control wiring: Consider it as a DC relay.

  • Work control: Although the control voltage is connected,whether it plays a control role is determined by the timer on the panel.
  • Function understanding: It is a switch,single-pole double-throw,with an active point,just like the active arm of a common knife switch.

    • What are the types of timer relays?

    Definite-time Overcurrent Relay.

  • Inverse-time Overcurrent Relay.
  • Instantaneous Overcurrent Relay.
  • Inverse Definite Minimum Time Overcurrent (I.D.M.T) Relay.
  • Very Inverse-time Overcurrent Relay.
  • Extremely Inverse-time Overcurrent Relay.

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