Marstek CT003 – P1 3-phase smart meter

The Marstek CT003 is a compact smart meter that communicates directly with digital electricity meters via a P1 or infrared interface. Ideal for users who want to integrate their existing grid meters with Marstek energy storage systems.

Key Features:

✔ Plug-and-play installation via P1 port or IR (no electrician required)

✔ Magnetic mounting for easy installation

✔ Real-time monitoring and zero-injection support

✔ Wi-Fi and Bluetooth 5.2 connectivity

✔ Compatible with Marstek Venus

Technical specifications:

• Power supply voltage: 5V via USB-C

• Communication: Wi-Fi (802.11b/g/n), Bluetooth 5.2

• Interfaces: P1 (USART), infrared

• Dimensions: 53.7 × 52 × 25.5 mm

• Weight: 0.3 kg

• Power consumption: <2W

• Operating temperature: -20°C to 45°C