SKU: 31667644502

Perko Medium Duty Battery Selector Switch w/Key Lock

$109.32 $121.47
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Description

Perko Medium Duty Battery Selector Switch w/Key LockMedium Duty Battery Selector Switch w Key Lock Perko's 8501 Series battery selector switches are among the most popular battery switches ever produced. Their use of the traditional Perko bolt circle makes for easy installation, whether new or as a replacement. These switches can be mounted in numerous locations. And as ignition protected switches, they can be installed in the engine rooms of gasoline powered boats. In addition to doing everything a

Medium Duty Battery Selector Switch w/Key Lock

Perko's 8501 Series battery selector switches are among the most popular battery switches ever produced. Their use of the traditional Perko bolt circle makes for easy installation, whether new or as a replacement. These switches can be mounted in numerous locations. And as ignition protected switches, they can be installed in the engine rooms of gasoline powered boats.

In addition to doing everything a battery disconnect switch does, battery selector switches permit battery selection (of two or more batteries) for specific purposes including starting engines, running accessories or even recharging. They allow for the use of one or more batteries in systems with one or more engines and facilitate putting batteries in parallel for emergency starting when one or both batteries are substantially discharged.

Perko battery switches are designed for surface mounting. Standard duty switches have a bright red polycarbonate housing for safety with a large easy-to-turn black knob. The housing of the heavy duty switches are red fiber-reinforced polycarbonate. Selector switches are designed with a "make before break" feature. This allows switching between the "1", the "ALL" and the "2" positions while the engine is running. Models with an "Alternator Field Disconnect" feature offer protection for Non-Unitized Alternators should the switch accidentally be turned to the "OFF" position with the engine running.

Versions of the 8501 Series switches offer additional features such as alternator disconnect and key lock security.

The 90° rotation feature allows users to feel the switches' position in no light situations and the classic shape of the knob makes it easy to turn.

High conductivity studs are long enough to handle more than 1 cable and strong enough for torque needed for secure connections. Optional spacer ring (PN 0462DP0RED) allows for the use of larger cables.

Specifications:

  • Diameter: 5-1/4"
  • Depth: 2-5/8"
  • For use with 6 to 32 Volt Marine Electrical Systems
  • Capacity - 250 AMPS Continuous, 360 AMPS Intermittent
  • When used with Non-Unitized Alternators, these models will interrupt the field current (reducing the possibility of damage) if turned "OFF" with the engine running
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 31667644502

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4.2 ★★★★★
Based on 15 reviews
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Product Reviews
M
Verified Purchase
Mimi
Chelsea, US
★★★★★ 5
wow!!
Format: Kindle
I mean I was losing interest when I first started to read the first few chapters but I was still caught in the underlining description of what life was like for Effie. Then once she left to go to the University I was wrapped around the story. Very emotional and gripping as I understood the characters better. I'm glad I ordered the second book because I think this is going to be a very compelling series. I must say I'm not good with angst. But miss Sinclair has a talented flair for storytelling. I'm invested now to see it through.
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Reviewed in the United States on August 5, 2025
E
Verified Purchase
Elizabeth (@lizs.book.nook)
Lexington, US
★★★★★ 5
Absolutely Fantastic!
Format: Kindle
Once again M. Sinclair has created another masterpiece! This book was so unlike anything else I have read! It was such a unique twist on a shifter book that I was absolutely compelled from beginning to end. Effie made my heart all warm and fuzzy, she is just such a naturally kind person despite all of the things she has gone through. Her huge heart shines through in all she does. Then their are her mates...protective, caring, and possessive Effie’s mates are just as much attracted and attached as Effie is to them. Their bond is instantaneous and strong. Despite Effie not knowing what to make of it at first and seeing it as to good to be true, her mates take it in totally stride. I love the connections they have all built in such a short period of time. Effie brings a unique dynamic to this group. I am sitting at the edge of my seat waiting to see where this story goes. There are so many questions that that ending left and I genuinely cannot wait for more! I have grown super attached to these characters that more of their story can’t come soon enough!
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Reviewed in the United States on February 20, 2021
C
Verified Purchase
Carolinagirl117
Charlottesville, US
★★★★★ 3
Pretty decent
Format: Kindle
Not too bad. Pro: Sweet/cute guys Just what I was wanting I liked the characters Cons: #1: it’s gross when a guy is getting hard and thinking about sex while A GIRL IS UNCONSCIOUS AND DYING. If you were in the hospital would you want your boy/girlfriend thinking of having sex with you while you were nearly dead??? No. I think not. That’s gross. Yeah, actually I was gonna rate this 4 starts but I’m making it 3 just because that was literally so gross. They thought about sec at the WORST times. Found myself skipping pages at a time of just them talking to themselves. Would have liked it better if the author showed and not told. Pages and pages of inner monologue. I hate it when they have “mysterious” dreams. Not a fan of huge age gaps. Why was only one of them telepathic?? No clue diff types of wolves. Not explained well and their “abilities”. Why can one not shift??? Didn’t understand the first between the guys where the one ran up to her and looked at her and ran away???? And she literally saw him get out of his truck and then 10 minutes later acted like she had never seen such a nice truck before. Thought she should have been a tiny bit more shy and not holding hands wishing 5 seconds of meeting them. College part is boring. Nothing new. Everyone’s done that. Where’s the plot??? Didn’t understand the stand off with the dad/principle and random guy showing up?? Wow this makes me seem like I hate it but it was good lol. Seems like an authors first book but I don’t think it is. Could be longer with more detail to really get to know everyone. Would have liked a better look at her past. Not past past, but even a week or two before she went to college.
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Reviewed in the United States on April 13, 2021
V
Verified Purchase
Valerie c
Omaha, US
★★★★★ 5
I never learn
Format: Kindle
That plunge and suspense and there's a secret but I'm not telling you.... Dear M. Sinclair, I hate your genius self and the way you do this everything. I'm sucked in and the next thing I know *plunge* its over. Effie Harlow! Effie, Effie, effieeeeeeee omg what a life. I'm amazed at how its only been days.. DAYS in her journey. We get a nice sum of her trials and tribulations at her "Pack" as she's arriving at SFU & as she gets to know her psychos. Love how each of the guys brong something different, you never get the same psycho twice in one grouping. And there is so much to explore in their liveeeeeesssss. likeI want a book going down the rabbit hole of each guys trauma RN! We don't know the mystery of Effie, but M & atleast one of her guys knows. Its interesting seeing the dynamics and the different types of Wolf shifters and then shifters in general. It's a foundation that gives you so much and so little at the same time. It answers certain questions quickish while letting you guessing more. Effies lost memories will be very important on this journey. At first I was hoping the past was what was bringing her to SFU not what really did. A friggin twist and great ive shatterer... (that doesn't sound like a good phrase but litteraly shattered ice bc of it) I just need all of M. Sinclair series to be never ending... I'm finding myself too emotionally invested in all the Gals & psychos. Or better yet a portal leading to a seat in part of her brain where these stories reside with an unlimited supply of 🍿 so I can watch all the adventures unfold. I don't know how I wait for her books... but they are soooo worth the wait weather its months or a year. but if you'd like to slide over the next book next week we won't complain 😉
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Reviewed in the United States on February 21, 2021
M
Verified Purchase
mikal baker
Charlottesville, US
★★★★★ 4
I read this at a crazy speed!
Format: Kindle
I really like fantasy academia books but I’m really picky about them. This is one I really like! I personally like the insta love in this, i am not a fan of when a MMC is a fated mate but fights it etc. I think that has been over done IMO, so this was refreshing! I liked the world building and the location is giving cozy energy. So far the MMCs are really likeable as well. I will say, there’s a TON of inner thoughts and if moved sloooow. It’s about 280 pages that cover 2 and a half days.. normally I would have given up but I’m having hope that, that was just the laying of the foundation of the book. Hopefully books 2 moves a little faster. I also hope the FMC gets a little more of a back bone, she seems scared of her own shadow and has a pitty me attitude. This is the reason for the 4 stars. I don’t give 3 or less stars unless I personally didn’t enjoy it or won’t read the next one, so the 4 stars is earned. I am invested in the plot and love the writing style and characters. Can’t wait to see what happens next!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2023

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