Marstek CT003 Smart Meter (P1 & IR Interface)

The Marstek CT003 smart meter is a compact and sophisticated module that collects real-time data from your electricity meter via the P1 port or infrared (IR) and transmits it wirelessly to your Marstek energy system. Thanks to its magnetic mounting, installation is quick and elegant, with no cable clutter. The smart app and reliable connectivity make energy management simple and time-saving, suitable for both residential and commercial applications.

Key Features

• Supports both P1 communication and infrared (IR) – flexible in use
• Magnetic mounting for quick, tidy setup without cables
• Real-time energy data visible via the Marstek app
• Wi-Fi (802.11 b/g/n) and Bluetooth 5.2 for wireless data transfer
• 10-year warranty – for long-term reliability

Technical specifications

• Model: CT003, magnetic mounting
• Wi-Fi: 802.11 b/g/n (2.4 GHz) / Bluetooth: 5.2
• Power supply: USB-C (5 V), consumption
• Connections: P1 port (USART) and IR interface
• Dimensions: approx. 53.7 × 52 × 25.5 mm – Weight: approx. 0.3 kg
• Housing: black plastic; Operating temperature: –20 °C to +45 °C

Benefits in your energy system

The CT003 supports smart energy management: excess solar energy is automatically stored, and your system aims for net zero by automatically controlling it using real-time meter data. This results in lower electricity costs and greater self-sufficiency with a user-friendly interface.

Compatibility and installation

The CT003 is fully compatible with Marstek energy systems such as VENUS, JUPITER, and SATURN. Installation is easy: simply connect the CT003 via the P1 port or IR interface and connect to your energy system using the Marstek app. Communication will then take place automatically.

Choose the Marstek CT003 smart meter for a future-proof, user-friendly, and efficient solution for your energy system. Ideal for installers and end users who want to optimize with confidence.