€ 43,76
1-2 weeks delivery time
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The Victron BCD 402 is a 2-battery diode-based battery combiner designed for mission-critical DC systems. Rated for up to 40 A, it ensures uninterrupted power delivery by allowing two power sources to supply a single load in parallel. Utilizing Schottky diodes for minimal voltage drop (0.3–0.45 V), this unit is ideal for engine controls, navigation systems, and other essential electronics. It supports both 12V and 24V systems and features M6 bolt terminals in a 60 x 120 x 75 mm housing.
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Victron Energy BCD 402 Diode Battery Combiner, 2 Batteries, 40A, 12/24V
The Victron BCD 402 Battery Combiner is designed to deliver uninterrupted power to sensitive and mission-critical systems by connecting two independent DC power sources in parallel. Should one battery or power source fail, the other will continue to supply power through high-efficiency Schottky diodes. This architecture is essential for electronic engine control systems, emergency lighting, and navigation electronics in marine and industrial environments.
Parameter Specification Model BCD 402 Number of Battery Inputs 2 Nominal Battery Voltage 12V / 24V Maximum Continuous Current 40 A Voltage Drop ~0.3 V (low load), ~0.45 V (full load) Connection Type M6 Bolts Dimensions (H x W x D) 60 x 120 x 75 mm Weight 0.8 kg (1.8 lbs)
Key Features:
- Ensures continuous power to mission-critical systems using two parallel battery sources.
- Schottky diode technology minimizes voltage drop and heat generation.
- Supports both 12V and 24V DC systems without configuration changes.
- Compact and lightweight for easy installation in control panels or enclosures.
- Warning: hot surface — must be mounted on non-flammable surfaces.
Applications:
- Marine engine control systems
- Backup power for DC electronics
- Safety-critical lighting and communication systems
- Redundant power supply systems in industrial control environments
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