Easy
15-30 minutes
This switch is a genuine Makita replacement switch. This shaft lock switch prevents spindle rotation when installing/removing accessories. This piece is sold individually. A screwdriver is all that is needed for this quick repair.
Switch Ps-10 650621-4
OEM part for: Makita
Part Number: 650621-4
$12.78
In Stock
Ships within 1 business day 
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Compatibility
This part will fit the following 15 machines
Makita
9554NB Angle Grinder View Diagrams & Manuals
9553NB Angle Grinder View Diagrams & Manuals
GA4030K 4" Angle Grinder View Diagrams & Manuals
GA4530 4-1/2" Angle Grinder View Diagrams & Manuals
PJ7000 Plate Joiner View Diagrams & Manuals
GA4030 4" Angle Grinder View Diagrams & Manuals
9553NBK Grinder View Diagrams & Manuals
9554NBK Grinder View Diagrams & Manuals
9555NB Grinder View Diagrams & Manuals
9555NBK Grinder View Diagrams & Manuals
9558HN Grinder View Diagrams & Manuals
GA4530X Grinder View Diagrams & Manuals
GA5030K (Type 1) Grinder View Diagrams & Manuals
GA5030K (Type 2) Grinder View Diagrams & Manuals
JS1602 Misc View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Grinder Parts
- Plate Joiner Parts
This part replaces obsolete part #: 650560-8
Repair Videos ?
Watch the Repair Video for
Switch Ps-10
Questions & Answers ?
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Grinder wouldn't turn on
Marcos - July 22, 2022
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, N/A
Parts Used
I followed the instructions on the video for the external switch replacement. Closer inspection revealed it was the actual power switch inside. I ordered it from Ereplacement Parts. Replacing it was self-evident with the grinder internals exposed. A standard head screwdriver & needlenose pliers are the only necessary tools. A magnetic dog dish to hold removed screws is helpful.
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Burned armature
Jamel - June 24, 2021
Tool Type
Grinder
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Exacto knife to remove switch barcket
1. Opened case - remove screws
2. Remove brushes
2a. Pull out and remove/replace armature assembly
3. Carefully disconnect all connectors from bracjets and switch.
4. Diconnect power cable from switch
5. Remove brush bracketing
6. Reassymble.
High heat made brad is melt into case. Case jot available as replacement part.
2. Remove brushes
2a. Pull out and remove/replace armature assembly
3. Carefully disconnect all connectors from bracjets and switch.
4. Diconnect power cable from switch
5. Remove brush bracketing
6. Reassymble.
High heat made brad is melt into case. Case jot available as replacement part.
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Switch failed
David - January 2, 2019
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers
Parts Used
Very easy to fix it was 26 degrees out and I still got it done.
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
