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Current Transformer 100A:50mA – is a high-precision current transformer designed for use with Victron Energy MultiPlus-II and Quattro-II series inverters that support the “external current sensing” function. It measures the current drawn from the grid and transmits this information to the MultiPlus-II, allowing the system to optimally manage power using the PowerControl and PowerAssist functions to prevent overloads.
These transformers are essential when MultiPlus-II or Quattro-II inverters are part of a hybrid solar power plant. By installing a current measurement transformer, the ESS (Energy Saving System) will be able to utilize the energy generated by the sun much more effectively and distribute it throughout your home.
Key benefits of the current transformer for MultiPlus-II and Quattro-II
- Provides accurate current measurement up to 100 A
- Optimizes PowerAssist and PowerControl functionality
- Enables the MultiPlus-II to accurately determine the grid load
- Ensures safe, galvanically isolated data transmission
- Easy to install: no calibration required
- Passive component – no power supply required
- 20-meter cable length – optimal for standard installation
Technical Specifications
- Compatibility: only with MultiPlus-II and Quattro-II (models with current sense input support)
- Primary current: up to 100 A
- Output current: 50 mA
- Connection type: jack connector
- Cable length: 20 m
- Cable entry hole: ≈13 mm
- Installation type: Plug-in, no conductor break
- Galvanic isolation: Yes
- Housing material: Heat-resistant plastic
Application scenarios
- Home hybrid power systems with limited grid connection
- Victron Energy ESS systems with consumption measurement
- Overload protection on a weak grid or generator
- Mobile solutions with a generator and input power limitation
- Industrial systems with multiple loads on a single line
Compatible Victron Energy products
- MultiPlus-II 24/3000/70-32, 48/3000/35-32, 48/5000/70-50, 48/5000/70-100
- Quattro-II 48/5000/70-50/50, 48/8000/110-100/100, 48/10000/140-100/100
- EasySolar-II GX – all models
- MultiPlus-II GX – all models
- ESS systems with grid consumption limit support