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Blue Sea Systems Battery Switches - e-Series - Dual Circuit Plus

These Blue Sea Systems dual circuit plus battery switches offer 350 amps for inboard gasoline or diesel engines. These switches simultaneously switch two isolated battery banks or combines battery banks to all loads. They CANNOT be used to switch positive and negative conductors because of the combine feature. They feature tin-plated copper studs for maximum conductivity and corrosion resistance. The studs accept 3/8" (M10) ring terminals and have a 7/8" stud length (22 mm) that can accept multiple cable terminals. Blue Sea Systems one-piece terminal stud design never loosens over time. One-piece stainless flange nuts ensure safe and secure connections. Fits most Perko and Guest low amperage battery switch hole patterns. Case design allows surface or rear panel mounting options.


  • ON-OFF Circuit
  • Cranking Rating (10 Sec.) 1,000A; Cranking Rating (1 Min.) 750A
  • Intermittent Rating (5 Min.) 525A
  • Continuous Rating: 350A @ 32V DC Maximum
  • CE marked, ISO 8846, UL listed - UL1107 electrical power switches. Meets ABYC requirements. Meets UL 1500 and SAE J1171 external ignition protection requirements.
  • IP66
SINGLE CIRCUIT DUAL CIRCUIT DUAL CIRCUIT PLUS 3 POSITION 4 POSITION
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5435 Dual Circuit Plus Battery Switch, Red, 350A (BSS 5511e) (1 MIN) 62.20 1 EA