Shelly Split Core Current Transformer 400 A, opened for installation around a cable

Shelly Split Core Current Transformer 400 A

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Shelly Split Core Current Transformer 400 A

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CHF 22.80
Shelly Split Core Current Transformer 400 A for Shelly Pro 3 EM measures AC currents accurately up to 400 A without cable cutting.
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Shelly Split Core Current Transformer 400 A – Precise Current Measurement for Your Smart Home

The Shelly Split Core Current Transformer 400 A is a current transformer for measuring alternating current. It is specifically designed for the Shelly Pro 3 EM energy monitor and enables contactless recording of electricity consumption for individual circuits.

  • Rated current up to 400 A – covers main lines and large consumers
  • Split-core design – easy installation around existing cables without interrupting power supply
  • Specifically for Shelly Pro 3 EM – seamless integration into the energy monitoring system
  • 36-month manufacturer warranty provides long-term investment security

What sets the Shelly Current Transformer apart

Unlike fixed current transformers, this split-core model can be retrofitted without any electrical installation. This saves time and costs during upgrades. The high measurement accuracy ensures reliable consumption data for energy optimization.

Ideal for...

This current transformer is ideal for electricians, facility managers, and smart home enthusiasts who want to monitor the energy consumption of individual circuits in detail. It is particularly suitable for commercial and residential applications where retrofitting without intervention in the existing electrical installation is desired.

How to use the Shelly Split Core Current Transformer

  1. Open the transformer and place it around the conductor to be measured.
  2. Close the transformer until it clicks.
  3. Connect the supplied cable to the Shelly Pro 3 EM.
  4. Configure the current measurement in the Shelly Pro 3 EM.
Shelly is a manufacturer of smart home devices with a focus on energy monitoring and building automation. The products are characterized by open interfaces, easy integration, and high reliability. Shelly enables precise energy consumption measurement and control.
Rated current400 A
CompatibilityShelly Pro 3 EM
Weight0.321 kg
EAN3800235266496

Frequently Asked Questions

A split-core current transformer (also known as a current clamp) can be placed around a live conductor without cutting it. It measures the alternating current inductively and outputs a proportional signal.

No, this current transformer is specifically designed for the Shelly Pro 3 EM. It is not compatible with other Shelly models such as the Shelly 3EM or Shelly EM.

The split-core transformer is simply placed around the conductor to be measured and clicked shut. No interruption of the power supply is required. Connection to the Shelly Pro 3 EM is made via the designated terminals.

The rated current is 400 A, suitable for monitoring main lines or large consumers.

Shelly offers a 36-month manufacturer warranty on this current transformer.