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title: "Buy Sigen Sensor TP-CT120-DH"
description: "Sigen Sensor TP-CT120-DH: 3-phase 120A meter with external CTs. Real-time monitoring. Log in for B2B pricing and order online today!"

type: product_page

---

# Sigenergy Sigen Smart Power Sensor TP-CT120-DH (120A, 3-phase) - Art.No.: 1426000007

## Specifications

- **Brand**: Sigenergy
- **Manufactor**: Sigenergy
- **Net Height**: 94.5 MILLIMETER
- **Net Length**: 65 MILLIMETER
- **Net Weight**: 0.2 KILOGRAM
- **Net Width**: 72 MILLIMETER
- **Origin**: China
- **Warranty in Years**: 2

## Sigen Power Sensor TP-CT120-DH


The Sigen Power Sensor TP-CT120-DH is an accurate three-phase energy meter designed for optimal energy monitoring in solar power and storage systems. This device provides real-time insight into power consumption and production and is essential for advanced energy management, export limitation, and the optimal operation of linked systems.


### Key Features


- **Measurement Accuracy**: High precision with 0.5% for voltage/current, 1% for power, and 0.2% for frequency.
- **Communication Interface:** RS485 interface with Modbus RTU protocol for reliable data transfer. Wi-Fi and data transfer up to 200m possible via the **[Sigen Sensor Sub1G kit](https://www.estg.eu/en-gb/p/14370003)**.
- **Current Transformers (CTs)**: Includes 3 external current transformers with a nominal current of 120A and an inner diameter of 16 mm.
- **Display**: Integrated LCD display for real-time viewing of key parameters.
- **Mounting**: Suitable for easy mounting on a 35 mm DIN rail.
- **Compatibility**: Designed for seamless integration with Sigenergy systems, such as the SigenStor.
- **Dimensions:** 72 x 94.6 x 65 mm (W x H x D)
- **Weight:** 0.2 kg (excluding CTs)
- **Max. operational current CT:** 120A
- **Operating Temperature:** -25 °C to 60 °C


### Main Benefits


- **Accurate Measurement**: Provides very precise measurements essential for optimized energy generation and consumption.
- **System Integration**: Integrates effortlessly and without extra configuration into existing Sigenergy ecosystems.
- **Intelligent Management**: Enables advanced features such as import/export limitation and is prepared for AI-driven energy management.
- **Real-time Monitoring**: The built-in LCD screen and fast data updates provide immediate feedback on system performance.
- **Safe and Reliable**: Compact and robust design with an IP20 rating for indoor installations in electrical cabinets.


### Applications


The Sigen Power Sensor TP-CT120-DH is ideally suited for projects in both the residential and commercial sectors. The device is indispensable for installations with three-phase inverters or battery systems, where accurate measurement of grid current is crucial for functions such as feed-in limitation and controlling linked battery systems.


### Warranty and Durability


This product is designed for a long lifespan and reliable performance. The robust housing and high accuracy guarantee constant functionality within an operating temperature range of -25°C to 60°C.

## Downloads

- [Sigenergy Sigen Power Sensor Datasheet](https://cdn.estg.eu/p/b/2/a/4/b2a440aefead6d71f020b4ae3b57724c3dd9b163_Sigenergy_Sigen_Power_Sensor_Datasheet.pdf)
- [Sigenery TP CT120 DH user manual](https://cdn.estg.eu/p/0/4/d/3/04d367cd6d6d61ff29240d31ed760cf321fba80b_Sigenery_TP_CT120_DH_user_manual.pdf)