![Is it allowed to energize a contactor coil from the voltage source coming through the contactor? Is it the same for relays. Like in the picture - Quora Is it allowed to energize a contactor coil from the voltage source coming through the contactor? Is it the same for relays. Like in the picture - Quora](https://qph.cf2.quoracdn.net/main-qimg-2afbd20d5763622bfde8bbccde55783b.webp)
Is it allowed to energize a contactor coil from the voltage source coming through the contactor? Is it the same for relays. Like in the picture - Quora
What is a contactor? | Contactor Wiring with holding circuit | Working Principles in Hindi By Agein | Facebook
![Hi, I'm using a On/Off push button to control a contactor. The buttons are wired in series with 220VAC in, but what's weird is they output 30VAC and can't run the contactor. Hi, I'm using a On/Off push button to control a contactor. The buttons are wired in series with 220VAC in, but what's weird is they output 30VAC and can't run the contactor.](https://preview.redd.it/hi-im-using-a-on-off-push-button-to-control-a-contactor-the-v0-f7y9g3gmhi7a1.jpg?width=1080&crop=smart&auto=webp&s=994541b32baeab897fd0621167886da1d03ac68e)
Hi, I'm using a On/Off push button to control a contactor. The buttons are wired in series with 220VAC in, but what's weird is they output 30VAC and can't run the contactor.
![General | 45 amp contactor won't stay closed | Practical Machinist - Largest Manufacturing Technology Forum on the Web General | 45 amp contactor won't stay closed | Practical Machinist - Largest Manufacturing Technology Forum on the Web](https://www.practicalmachinist.com/forum/data/attachments/13/13456-9037bded950839e34ee21f05f06356bc.jpg)
General | 45 amp contactor won't stay closed | Practical Machinist - Largest Manufacturing Technology Forum on the Web
![Electronics | Free Full-Text | Two-Level Excitation Current Driver to Reduce the Driving Power of an Electromagnetic Contactor Electronics | Free Full-Text | Two-Level Excitation Current Driver to Reduce the Driving Power of an Electromagnetic Contactor](https://www.mdpi.com/electronics/electronics-13-00916/article_deploy/html/images/electronics-13-00916-g001.png)