Description
Dometic Volt Sensitive Relay & Cable Kit | Boat Supply Store
Prevent accidental discharge of your primary cranking battery by automatically isolating secondary accessory batteries. This Dometic D210 Volt Sensitive Relay engages at 13.3V and disengages at 12.8V, ensuring your engine starts every time, even with multiple battery banks. It's engineered for reliable operation with alternators up to 210 amps, making it suitable for powering essential systems like navigation or bilge pumps without compromising engine starting power. Ideal for offshore fishing vessels or any boat with significant electrical loads beyond engine starting.
Key Features
- Automate battery isolation for optimal power management.
- Protect your cranking battery from accessory drain.
- Engage automatically at 13.3V to begin charging secondary batteries.
- Disengage at 12.8V to preserve cranking battery power.
- Support high-output alternators up to 210 amps.
- Simplify dual-battery installations.
- Include all necessary cabling for straightforward integration.
- Ensure reliable operation of critical marine electronics.
Specifications
| Product Specifications | |
|---|---|
| Voltage Rating | 12/24V DC |
| Continuous Current Rating | 210A |
| Engage Voltage | 13.3V |
| Disengage Voltage | 12.8V |
| Cable Length | 15 feet |
Who This Is For
Boaters seeking to optimize their dual-battery system by preventing accessory loads from depleting the starting battery. This kit is designed for those who understand the importance of reliable engine starting and want to manage power distribution effectively for their onboard electronics.
How It Compares
| Feature | Dometic Volt Sensitive Relay & Cable Kit | Blue Sea Systems |
|---|---|---|
| Continuous Current Rating | 210A | 200A |
| Engage Voltage | 13.3V | 13.2V |
| Disengage Voltage | 12.8V | 12.7V |
| Cable Length Included | 15 feet | 12 feet |
Common Concerns Answered
Will this drain my starting battery if I forget to turn off accessories?
No, the Volt Sensitive Relay is designed to automatically disengage at 12.8V, isolating your secondary batteries from the starting battery to ensure sufficient power for engine ignition.
Is this compatible with my boat's existing wiring?
This relay is designed for 12/24V DC systems and supports alternators up to 210 amps, making it highly compatible with most standard marine electrical configurations.
Do I need to manually switch between batteries?
The primary benefit is automatic operation; the relay engages and disengages based on voltage, eliminating the need for manual switching during normal operation.
Frequently Asked Questions
What is the primary function of a Volt Sensitive Relay?
It automatically isolates a secondary battery bank from the primary starting battery, preventing accessory loads from discharging the starting battery.
At what voltage does the Dometic relay engage and disengage?
It engages at 13.3V and disengages at 12.8V.
What is the maximum alternator current this relay can handle?
It is rated to handle alternators up to 210 amps.
What is included in the cable kit?
The kit includes all necessary cabling for integration into your boat's electrical system.
Can this be used in a 24-volt system?
Yes, the relay is designed for both 12V and 24V DC systems.
