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
Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 58754587374

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Koko
Houston, US
★★★★★ 5
Love it
Keeps your skin nice and hydrated all day without looking or feeling greasy
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Reviewed in the United States on February 18, 2026
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J.W.
Grantham, US
★★★★★ 5
Good lotion...
This is pretty good lotion. Not too thick, absorbs quickly, has a clean smell. The price was higher than expected but not too crazy. Overall, I am happy with the product and will probably purchase again. Thank you.
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Reviewed in the United States on December 14, 2025
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Ethel M. Torres
Omaha, US
★★★★★ 4
Benefits
Cremosa
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Reviewed in the United States on September 27, 2024
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Lisa B
Massapequa, US
★★★★★ 5
...and smells good too!
This lotion seems to be making my crepe skin kinda disappear?? It is so moisturizing & the scent is heavenly. I have used it on my face but it was a little much so I had to put it on while my skin was wet with water. That seemed to do the trick. In Colorado your skin can get super dry & this product seems to replenish softness & moisture.
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Reviewed in the United States on August 9, 2025
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nia smith
Alexandria, US
★★★★★ 5
10/10 definitely recommend
Used right after I took a shower and it goes on my skin so smoothly. Not too greasy but not too thick. Rubbed in very easily and let my skin feeling soft and moisturized! And smells soooo good
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Reviewed in the United States on October 12, 2025

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