Perko Medium Duty Battery Selector Switch w/ Key Lock
SKU: 58754587374

Perko Medium Duty Battery Selector Switch w/ Key Lock

Sale price$88.45 Regular price$98.28
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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 50 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

Manufacturer Part Numbers: 8502DP
Installation Guide (PDF)
GRP:WRO
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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: 58754587374

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PHT
Pawtucket, US
★★★★★ 5
Well made
Size: 102''Wide-3 Panel, Color: Beige
Worked great and looked nice. Easy to put together
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Reviewed in the United States on December 29, 2025
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Lauren Colwell-Sanzone
Cuba, US
★★★★★ 4
Worked well to separate space!
Size: 132‘’Wide-6 Panel, Color: Grey
Did the job I needed. I created a hang out area in part of the basement for my pre-teen and wanted a little privacy/separation for the area. Not hard to put together and was to move around. I do wish the legs Ira on with the rollers didn’t jet out so far.. is quite a tripping hazard..
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Reviewed in the United States on December 17, 2025
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Jenny Renee
Grantham, US
★★★★★ 5
Perfect!
Size: 88‘’Wide-4 Panel, Color: Grey, Size: 88‘’Wide-4 Panel, Color: Grey
This is exactly what I was looking for. I created essentially a doorway into the pantry area I have in my basement. I had the bought a screen years ago that hid most of it but this completed it. I ordered the 4 panels, for the size, and created a "door" of out the two.
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Reviewed in the United States on January 7, 2025
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Amazon Customer
Whiting, US
★★★★★ 1
**Product Review: Disappointing Experience with Misaligned Pieces**
Size: 88‘’Wide-4 Panel, Color: Grey
I purchased this product with high expectations, but unfortunately, it turned out to be a major disappointment. The biggest issue? The pieces are terribly misaligned. Assembling it was a nightmare, as nothing fit together properly. The holes didn’t line up, the joints were uneven, and I had to force parts into place, which only made the situation worse. Something that should have taken 15 minutes took hours trying to screw the poles together. This product clearly lacks quality control. For the price I paid, I expected much better craftsmanship. It's incredibly frustrating to spend time and money on something that is so poorly made. I would not recommend this to anyone unless they want to waste their time and end up with a subpar product. Avoid this at all costs!
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Reviewed in the United States on September 4, 2024
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Steven Miliner
San Leandro, US
★★★★★ 5
Room divider
Size: 132‘’Wide-6 Panel, Color: Grey
Good quality, right price and great value.
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Reviewed in the United States on August 8, 2025

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