# Blue Sea Systems m-Series ON/OFF Battery Switch with Knob | Ignition Protected, 300A Continuous **Brand:** Blue Sea Systems **SKU:** mgp7903 **ASIN:** B00558LSJE **Canonical URL:** https://crowcrowcrow.com/p/blue-sea-systems-off-battery-switch-knob-black-6006200/mgp7903 **Category:** health-supplement **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹4,695 **Discount:** 25% **Customer rating:** 4.60/5 from 2,328 ratings ## Description Blue Sea Systems m-Series ON/OFF Battery Switch (300A) offers ignition protection for gasoline engine compartments. Compact, with flexible mounting and tin-plated copper studs, it safely manages single battery to single load systems. Ideal for marine use in India. ## Highlights - Ignition Protected for Gasoline Engines — Safe for installation in engine rooms of gasoline-powered boats, meeting critical safety standards for protected components and preventing accidental ignition sources. - Compact & Versatile Mounting — Fits into limited spaces with surface, front, or rear panel mounting options, allowing flexible placement to suit various boat panel layouts and configurations. - Secure Tin-Plated Copper Terminals — One-piece studs accept multiple cables for a durable, corrosion-resistant connection, ensuring reliable power transfer for your marine electrical system. - Removable Knob Safety — Prevents accidental current flow during electrical system service, enhancing safety and control when working on your boat's DC power. ## Key features - COMPACT DESIGN: Supports installation in tight spaces; helps fit the unit into limited mounting areas - MOUNTING OPTIONS: Offers surface, rear, or front mounting choices; allows flexible placement to suit various panel layouts - ON OFF SWITCH: Features a removable knob to help prevent accidental current flow in the DC system; supports safer handling during electrical system service - IGNITION PROTECTION: Suitable for installation in engine rooms of gasoline powered boats; helps meet location requirements for protected components - COPPER STUDS: One piece tin plated copper studs measure 7/8 in and accept multiple cables; provide a durable connection point - Switches a single battery to a single load group (on/off) - Ignition protected-safe for installation aboard gasoline powered boats - Case design allows surface, front panel, or rear panel mounting - Isolating cover with snap-on sections protects rear contacts ## Why choose this product **Engineered for Marine Safety & Reliability** — Blue Sea Systems is renowned for its robust electrical components. This m-Series switch is ignition-protected, meaning it's safe for gasoline engine compartments, a critical safety feature for any boat. The IP66 rating ensures it withstands harsh marine conditions, including dust and water spray. Its compact design and flexible mounting make it a practical choice for optimizing space on board, while the tin-plated copper studs provide a durable, corrosion-resistant connection point essential for the humid Indian climate. Trust in a brand that prioritizes safety and longevity for your vessel's electrical integrity. **Ideal for Single Battery Setups, Skip if You Need More** — This switch is perfect for boats with a single battery bank powering a single load group, offering straightforward ON/OFF control. It's ideal for smaller vessels or those with simpler electrical needs. However, if your boat has multiple battery banks (e.g., a start battery and a house battery) or requires complex switching between loads, you will need a dual-battery selector switch with more positions. This unit is designed for DC systems and is not suitable for AC power applications. ## How to use 1. Choose a suitable location on your boat's panel or engine room, considering the compact design and flexible mounting options (surface, front, or rear panel). Ensure it's accessible and safe, especially if near a gasoline engine compartment due to ignition protection. — Select Mounting Location 2. Attach your single battery's positive cable and the positive cable for your single load group to the two 7/8 inch tin-plated copper terminal studs. Ensure cables are properly sized and secured tightly for a reliable, corrosion-resistant connection. — Connect Battery and Load Cables 3. To control power, insert and turn the removable knob. Turn to 'ON' to supply power to your load group from the battery, and to 'OFF' to disconnect power. Remove the knob when not in use to prevent accidental switching. — Operate the Switch ## Product details | Field | Value | |---|---| | Terminal Material | Tin-plated Copper | | Actuator Type | Rotary Knob | | Switch Type | ON/OFF (Single Pole, Single Throw) | | System Compatibility | Single Battery to Single Load Group | | Voltage Rating | 48V DC (Supports 12V/24V systems) | | Continuous Current Rating | 300 Amps | | Cranking Current Rating | 14400 Watts (approx. 300A at 48V) | | Ignition Protection | Yes (Safe for gasoline engine compartments) | | Operating Temperature | 1°C to 1°C (Note: Source data shows identical lower/upper bounds; actual range likely wider, consult manufacturer for specifics) | | Cost per use | This switch is a durable component, not a consumable. Its value is in long-term system reliability and safety, preventing costly repairs from electrical faults or battery drain. | | Brand | Blue Sea Systems | | Model | m-Series 6006200 | | Color | Black | | Material | Plastic, Tin-plated Copper | | Mounting Type | Surface, Front Panel, or Rear Panel Mount | | Dimensions | 7 inches (L) x 4 inches (W) x 3 inches (H) | | Weight | 0.7 lbs (0.3 kg) | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | | IP Rating | IP66 | ## Frequently asked questions ### What is the difference between a battery disconnect switch and a dual-battery selector switch? A disconnect switch simply turns a single battery bank on or off to cut power and prevent drain when the boat is idle. A dual-battery selector (1-2-BOTH-OFF) lets you choose between two banks or combine them, which is useful for separating a starting battery from a house battery. Choose based on whether your boat runs one or two battery banks. ### How do I pick the right amperage rating for a marine battery switch? Match the switch's continuous amperage rating to your total electrical load and its cranking rating to your engine's starter draw. Check the switch spec against your motor's cranking amps and your accessory load, and allow headroom above your peak demand so the switch runs cool. ### Is this Blue Sea Systems battery switch safe for gasoline engine compartments in India? Yes, this switch features ignition protection, making it safe for installation in engine rooms of gasoline-powered boats. This is a critical safety feature for marine applications, especially in humid Indian conditions where reliable electrical systems are paramount. ### Can I use this battery switch with 12V or 24V systems in India? Yes, while rated for 48V DC, this switch is compatible with standard 12V and 24V DC marine electrical systems commonly found in India. Ensure your cable lugs match the 7/8 inch stud size for a secure connection. ### How do I install this battery switch on my boat in India? The switch offers flexible mounting options: surface, front panel, or rear panel. It connects a single battery to a single load group. Ensure you use appropriate marine-grade wiring and cable lugs that fit the 7/8 inch tin-plated copper studs for a secure and corrosion-resistant connection. ### What is the IP rating of this marine battery switch? This Blue Sea Systems battery switch has an IP66 rating, meaning it is protected against dust ingress and strong water jets. This makes it suitable for the demanding and often humid marine environment encountered in India. ### How do I buy an original Blue Sea Systems battery switch in India? Purchase directly from crowcrowcrow.com to ensure you receive an original, factory-sealed product sourced from authorized US retailers. All customs duties and GST are included in the price, and shipping is via ExpressBox tracked service to your Indian pincode. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B00558LSJE-0.webp 2. https://images.crowcrowcrow.com/B00558LSJE-3.webp 3. https://images.crowcrowcrow.com/B00558LSJE-6.webp 4. https://images.crowcrowcrow.com/B00558LSJE-9.webp 5. https://images.crowcrowcrow.com/B00558LSJE-12.webp 6. https://images.crowcrowcrow.com/B00558LSJE-15.webp --- Source: https://crowcrowcrow.com/p/blue-sea-systems-off-battery-switch-knob-black-6006200/mgp7903 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 6-8 days. Prices are all-inclusive (duties + GST).