Perko Battery Selector Switch 8503-DP with Field Disconnect (PER 8503-DP)
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You have 30 days to request a return. All sale items are final sale.
Perko Battery Selector Switch 8500 Series - Ignition Protected with Field Disconnect. 2 ♦ ALL ♦ 1 ♦ OFF. For use with two or more batteries - for single or dual engine systems. Permits selection between batteries for starting and charging or operation of both batteries in parallel. Allows the addition of an extra battery for use with accessories. "Off" position also acts as an emergency disconnect in the event of an electrical problem. Surface Mount - Red plastic housing with improved design to protect electrical connections - large black plastic knob. Copper contacts - 5/16" Brass terminals. Use #12 R.H. screws. Capacity: 250A continuous, 360A intermittent. 6 to 32V. Diameter: 5-1/4" x Depth: 2-5/8". 5/16" NC studs. With field disconnect.
- 2 ♦ ALL ♦ 1 ♦ OFF
- For use with two or more batteries - for single or dual engine systems
- Permits selection between batteries for starting and charging or operation of both batteries in parallel
- Allows the addition of an extra battery for use with accessories
- "Off" position also acts as an emergency disconnect in the event of an electrical problem
- Surface Mount - Red plastic housing with improved design to protect electrical connections - large black plastic knob
- Copper contacts - 5/16" Brass terminals
- Use #12 R.H. screws
- Capacity: 250A continuous, 360A intermittent
- 6 to 32V
- Diameter: 5-1/4" x Depth: 2-5/8"
- 5/16" NC studs
- With field disconnect
Typically ships in 4–5 business days. Availability confirmed upon order.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.