What kind of relay do I need?

An easy way to determine the limit of a relay is to multiply the rated Volts times the rated Amps. This will give you the total watts a relay can switch. Every relay will have two ratings: AC and DC. You should determine the AC watts and the DC watts, and never exceed these ratings.

What is electronic relay switch?

Relays are electrically operated switches that open and close the circuits by receiving electrical signals from outside sources. The “relays” embedded in electrical products work in a similar way; they receive an electrical signal and send the signal to other equipment by turning the switch on and off.

How do I choose a relay?

Consider these factors when choosing a relay for use in industrial controls:

1. Voltages driving loads are the first concern. The voltage rating of a relay must be greater than or equal to the voltage driving the load.
2. The current required depends on the type of load. Most loads don’t draw a constant current.

What is a 12 volt relay used for?

Automotive relays are for use in 12 volt electrical systems. Relays are used when you need to switch higher currents than a switch can handle, or when you want to isolate an electrical circuit. Our relays have either 5 contacts or 4 contacts.

What is an ISO relay?

An ISO relay is one which adheres to a standard pattern for its electrical terminals that has been spelled out by the International Standards Organization. Generally speaking, types of ISO relay terminal patterns include Super ISO, ISO 280, Mini 280 ISO and Micro 280 ISO.

What type of relays are used to switch electric power circuits?

The most common and widely used type of electrical relay is the electromechanical relay or EMR. The most fundamental control of any equipment is the ability to turn it “ON” and “OFF”. The easiest way to do this is using switches to interrupt the electrical supply.

What type of switch relay is?

A relay is a form of electrical switch that is operated by electromagnet which changes over the switching when current is applied to the coil. These relays may be operated by switch circuits where the switch cannot take the high current of the electrical relay, or they may be operated by electronic circuits, etc.

What does a 12 volt relay do?

In 12-volt automotive circuits, even small resistance amounts can cause significant voltage drop. Relays provide a solution by shortening the required length of the heavy-gauge, power-delivery wire from the battery or alternator to the load.

Which relay is the best?

These are the top relay brands that are used in the industry:

• Phöenix Contact.
• Relpol.
• Schneider.
• Schrack.
• Siemens.
• Wago.
• Weidmuller.
• Wieland. Coupling relays are used for galvanic isolation and potential-free switching.