Blue Sea Systems m-Series Locking Single Circuit On-Off Battery Switch

Blue Sea Systems m-Series Single Circuit ON/OFF Battery Switch with locking Key switches a single battery bank to a single load group.

Features:

• 300A continuous rating for outboards and small gasoline or diesel engines
• Tin-plated copper studs for maximum conductivity, corrosion resistance
• Studs accept 3/8" (M10) ring terminals
• Switches a single battery bank to a single load group
• 7/8" (22 mm) stud length accepts 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
• Isolating cover protects rear contacts
• Breakout tabs allow wire access in any direction

Specifications:

• Maximum voltage rating 48V DC
• Cranking rating: 30 sec 900A DC
• Intermittent rating: 5 min (UL 1107) 500A DC
• Continuous rating: 300A DC
• Terminal stud, tin-plated copper 3/8"-16 (M10)
• Terminal stud torque 120 in-lb (13.56 Nm)
• Cable size to meet ratings 4/0 AWG (95mm 2)
• CE marked
• Meets all American Boat and Yacht Council (ABYC) requirements for battery switches
• Ignition protected
  • UL Listed - UL 1107 for electric power switches
  • Meets UL 1500, SAE J1171 Marine, and ISO 8846 Marine for external ignition protection requirement, and IP66 for protection from particulates, water

Reducing cable sizes will reduce current ratings.

Installation Instructions

Dimensions Diagram