Heavy-Duty Battery Selector for Reliable Marine Power Management

The BEP Marine 721 Heavy Duty Battery Selector Switch is designed for robust and efficient battery management in marine applications. This high-performance switch allows users to select between two batteries, operate both simultaneously, or disconnect power entirely. Engineered for durability, the 721 model is housed in a modular unit with removable plates and a back cover for flexible installation. While it offers a cost-effective method for managing dual battery systems, it is important to note that selector switches do not isolate sensitive electronics from engine starting spikes.

High-Capacity Electrical Performance

Built to handle substantial power demands, the 721 Battery Selector Switch delivers impressive electrical ratings to support various marine systems:

• Continuous Rating: 350 Amps DC (between common B1 or B2)
• Continuous Rating: 500 Amps DC (between common B1 + B2)
• Intermittent Rating: 500 Amps DC
• Cranking Rating: 1500 Amps DC
• Voltage Rating: 48 Volts DC

Versatile Operation and Installation

The switch features a user-friendly Selector-Battery 1-2-Both-Off operation, offering seamless control over power distribution. It supports both recessed and surface mounting, ensuring compatibility with different marine setups. The tin-plated copper studs and nuts provide superior conductivity and corrosion resistance, essential for harsh marine environments.

Compact and Durable Design

• Dimensions: 102 x 102 x 90 mm (4 x 4 x 3.5 inches)
• Termination Stud Size: 3 x 10mm (3/8")
• Ignition Protected for enhanced safety in marine applications

Key Features at a Glance

• Heavy-duty battery selector switch for marine power systems
• Supports single or dual battery operation
• Rated for up to 1500 Amps DC cranking power
• Durable tin-plated copper terminals for corrosion resistance
• Flexible mounting options for different vessel configurations
• Modular design with removable plates and back cover for easy installation

Designed for reliability and ease of use, the BEP Marine 721 Heavy Duty Battery Selector Switch is an excellent choice for marine professionals and enthusiasts seeking efficient battery management solutions.