Blue Sea Red Battery Selector Switch Single-Dual Battery Operation 16-127

SKU: K4-16-127

Free Shipping | Contiguous USA | No Purchase Minimums

WARNING: This product can expose you to certain chemicals, which are known to the State of California to cause cancer, birth defects or other reproductive harm.
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Blue Sea E-Series Red Battery Selector Switch With Knob, Dual Battery Operation.

Switches Isolated Battery Banks To All Loads Or Combines Battery Banks To All Loads
Make Before Break Contact Design Allows Switching Between Battery Banks Without Power Interruption
Ignition Protected—Safe For Installation Aboard Gasoline Powered Boats
Case Design Allows Surface Or Rear Panel Mounting

Switch Type - Selector 4 Position
Color - Red
Switch Positions - 4
Battery Combine - Yes
Alternator Field Disconnect - NO
Maximum Voltage - 32V DC
Continuous Rating - 350 Amps
Intermittent Rating - 600 Amps 5 Minutes
Cranking Rating 30 Sec - 1200Amps
Battery Inputs - 2
Cable Size To Meet Ratings - 4/0Awg
Mounting Holes - Accept 1/4" (M6) Screw
Terminal Stud Size - 3/8" Ring Terminals
Weight - 1.30lb (0.59 kg)

Sold As Each

16-127 K-Four Switches


Contiguous USA (Excludes Alaska, Hawaii & other US Territories).
No minimum purchase required.
All orders that select free shipping at checkout are routed the least expensive method to you.
If you require a specific carrier due to your shipping address, you must select a paid shipping option at checkout.
For all other US Territories, Alaska, Hawaii & other countries shipping will be calculated at checkout for you.
We do not ship to PO Boxes.
We ship worldwide via UPS & USPS from Southern California.


We happily accept returns or exchanges as long as the merchandise is in NEW condition (never been installed/mounted), complete with all original packaging, accompanied by a Return Authorization and back in our warehouse within 30 days of receiving.

  • We are unable to accept returns on electrical parts, floor pans, windshields, transmissions & engines.
  • All orders are subject to a 20% restocking fee
  • Returns sent back without a pre-approved RA# will be refused.

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