Simarine DC POWER UNIT SPU303

Reliable Power Distribution with the Simarine DC POWER UNIT SPU303 12 V

The Simarine SPU303 12 V is a powerful DC distribution unit, specially designed for electrical systems with an operating voltage of 12 V. It is ideal for small to medium-sized vehicles or boats with a 12-volt on-board power supply. The unit features 31 individually configurable outputs, including 30 switching channels with integrated mini-fuses and manual relay override, as well as a main power output with a load capacity of up to 30 A.

Efficient Control and Easy Integration

• 30 switching channels, each with 20 A load capacity
• 1 main switching channel (ON/OFF) with 30 A
• Maximum total load: 100 A
• Manual override switches for each channel

Optimized for Simple and Safe Installation

Wiring is done via standardized WAGO® connectors, which significantly simplifies installation and ensures a secure connection. Multiple SPU303 devices can be easily connected in series, ideal for larger systems with increased power requirements.

Technically Robust – Even Under Demanding Conditions

• Operating voltage: 8 – 22 V DC
• Temperature range: -20 °C to +70 °C
• Power consumption at 12 V: SiCAN 10 mA, NMEA 2K 0.6 mA

The SPU303 is fully compatible with the Simarine SiCAN bus and is ideal for integration into complex energy management systems. It was developed to ensure reliable power distribution even under extreme environmental conditions.

Documents & Downloads

• Datasheet SPU303 eng.
• Manual SPU303 eng.