Commodore CM-402S 4-Position Dual Battery Selector Switch, 300A

Gain unparalleled control over your vessel's power with the Commodore CM-402S 4-Position Compact Dual Battery Selector Switch. Engineered for both marine and RV electrical systems, this robust switch allows you to efficiently manage multiple battery banks by isolating, combining, or directing power to your loads with a simple turn. Its ignition-protected design, meeting ISO 8846 and ABYC safety standards, ensures secure operation in demanding environments. Upgrade your power management today for reliable and safe electrical distribution.

Key Benefits & Features:

• Flexible Power Management: Offers 4 distinct positions to isolate battery banks, combine them, or direct power to all loads, providing maximum versatility for your electrical system.
• High Current Capacity: Rated for a continuous 300A and a powerful 900A cranking current (30 seconds), making it suitable for high-power applications like engine starts and essential onboard systems.
• Corrosion-Resistant Construction: Features tin-plated copper studs and a durable one-piece terminal stud design for exceptional conductivity and long-term corrosion resistance in harsh marine or RV environments.
• All-Weather Reliability: IP66 water-resistant rating ensures the switch can withstand powerful water jets and exposure to moisture and dust, perfect for outdoor and marine use.
• Enhanced Safety: Ignition-protected and certified to ISO 8846 Marine Ignition Protection, ABYC, UL 1500, and SAE J1171, ensuring compliance with leading industry safety requirements.
• Versatile Installation: An isolating cover with three snap-off side pieces protects rear contacts and allows flexible wire access from any direction for quick and hassle-free setup.
• Broad Compatibility: Supports 12V to 32V DC systems, making it ideal for a wide range of boats, RVs, and other off-grid power applications.
• Optimal Cable Integration: Designed for 4/0 AWG (120mm2) cables to meet full ratings, with a terminal stud size of 3/8" - 16 (M10) for secure connections.

Specifications:

• Maximum Voltage: 32 VDC
• Continuous Rating: 300A
• Cranking Rating (30 seconds): 900A
• Intermittent Rating (5 minutes): 500A
• Weight: 0.77 lbs (0.35 kg)