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TE P&B Circuit Breaker Thermal 2 Pole 20A- W33-S4B1Q-20
MFR Model# W33-S4B1Q-20
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| Description | Color | Volt | Amp | Part No. |
|---|---|---|---|---|
| W33S4B1Q-20 | Amber | 120 | 20 | 11-01976 |
Overview
| W33S2N1Q series breakers are two pole rocker actuated. Pole 1 is switch only, pole 2 is series trip overload sensing. These breakers are non-lighted with white rocker. W33S4B1Q series breakers are also two pole rocker actuated. Pole 1 is switch only, pole 2 is series trip overload sensing. These breakers feature 20 AMP max. switch and amber plastic rockers |
 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
Reviews
This is being used to disconnect and protect a Dynon autopilot servo. Have not caused this to trip do to short so not 100% sure if it works. Switch operates smoothly with a positive click when switched on and off. I had to verify with an ohm meter which was on and off before installing. If the Rocker Breaker had the trip amperage printed on the rocker it would be a 5 star product.
Very cheap. The mounting tabs break off and wont survive removal once installed
These can de used as a switch and circuit breaker which can save room on your breaker panel or make it an easier task when adding circuits. Unfortunately they have a short life. My plane had 6 six of them and Ive replaced them one by one. Now they are failing for the second time. Im having better luck with the toggle type.
My RV6 was built with a row of these that are slowly failing one by one. The replacement for the first failure lasted less than three months. I would appreciate the exact dimensions as listed by the mfgr so I can find another option that is the same size.
Q&A
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Yes, there is a positive click when position is switched.
