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Manual Battery Switches e-Series
e-Series Dual Circuit Plus™ Battery Switch
5511eSimultaneously switches two isolated battery banks or combines battery banks to all loads
- Make-before-break contact design allows switching without power interruption
- Ignition protected—safe for installation aboard gasoline powered boats
- Case design allows surface or rear panel mounting
Support
Frequently Asked Questions 
Installation
Mounting DiagramReference
Battery Management Wiring Schematics for Typical Applications
M-Series, E-Series, and HD-Series Battery Switch Operation DiagramsArticles
Blue Sea Systems' CL-Series BatteryLink™ ACRAutomatic Charging Relay - An Alternative to Multiple Output Charging SystemsSwitching Solutions for Multiple Battery BanksThe Benefit of Serrated Flange NutsBlue Sea Systems' Dual Circuit Battery SwitchMarketing Materials
Product Certificates
Declaration of Conformity for E and HD-Series Battery SwitchesPatent Number 7,442,887Declaration of Conformity for PN 5511eCE Certificate for E-Series and HD-Series Battery Switches  11001 | Selector 3 Position |
 5510e | Dual Circuit |
 5511e | Dual Circuit Plus |
 9001e | Selector 4 Position |
 9002e | Selector 4 Position |
 9003e | Single Circuit ON-OFF |
 9004e | Single Circuit ON-OFF |
Comparing
Frequently Asked Questions
Q: Do the battery switches switch the negative?
A:
In most cases no. The most common battery systems switch the positives and bus the negativesQ: Can I use battery protectant on my Blue Sea Systems Battery Switch and if so, what type?
A:
Yes, a marine grade protectant applied according to its instructions is acceptable.
