How does a potential free contact work?

How does a potential free contact work?

Potential free contacts (also called “dry contacts”) are simply contacts which are physically operated with the main device, but not electrically connected to it. For example a motor contactor often has auxiliary contacts.

What is no NC?

Normally Open (NO) and Normally Closed (NC) terms refer to type of dry contact or wet contact. Put very simply, a Normally Open sensor will have no current when in a normal state but when it enters an alarm state it will have +5V applied to the circuit.

What are auxiliary switches for?

Auxiliary switches provide remote electrical indication if the circuit breaker is open or closed. They are provided as two-switch combinations, with a maximum of two two-switch combinations for the NF frame and six two-switch combinations for the RF frame.

What is an auxiliary relay?

What is Auxiliary Relay? Auxiliary Relays are designed to switch more load than the capacitance of the switching products. These components are used for the multiplication of contacts where more than one contact is required.

How do you remove a breaker from a DIN rail?

To remove breaker, push on adapter where indicated and pull breaker toward you. To remove adapter from DIN rail, place screwdriver in slot and pull up slider to release. Disconnect Voltage and trip breaker before any installation or removal.

Can a contactor be repaired?

Coils can be replaced but are not repairable. While the coil in a contactor can be replaced, it is usually not worth the effort. It takes more effort to take the contactor off the unit then dismantle the coil than it does to simply replace the contactor.

Can I use WD40 to clean electrical contacts?

WD-40 Specialist® Contact Cleaner. 11 oz. WD-40 Specialist® Contact Cleaner, featuring patented Smart Straw technology, blasts away oil, dirt, flux reside and condensation from sensitive electronics and electrical equipment with pinpoint precision.