Shelly 50A CT Clamp for EM Gen3 current transformer

Shelly 50A CT Clamp for Shelly EM Gen3

R399,00

Add a second monitoring channel or replace your existing clamp with this genuine Shelly 50A CT Clamp. Split-core design clips easily around cables up to 10-11mm diameter without disconnecting wires. Ideal for monitoring individual circuits, solar production, geysers, or pool pumps.

Available on backorder

SKU: shelly-split-core50a Categories: , Tag:

Description

Official Current Transformer for Accurate Energy Monitoring with Shelly EM Devices

Expand the capabilities of your energy monitoring system with the Shelly 50A CT Clamp, the official current transformer accessory designed for seamless compatibility with the Shelly EM Gen3 1x50A CT Smart Energy Meter and other compatible Shelly energy meters.

Whether you’re adding a second monitoring channel, replacing an existing clamp, or installing a new measurement point, this genuine Shelly CT clamp delivers precise, reliable readings in a safe, easy-to-install format. Built with high-quality ferrite components and engineered specifically for Shelly devices, it ensures long-term accuracy and dependable performance in residential and light commercial environments.

Why Choose the Shelly 50A CT Clamp?

Energy monitoring accuracy depends heavily on the quality of the current transformer used. The Shelly 50A CT Clamp is designed by Shelly Group to deliver stable and consistent measurements across a wide range of applications.

Using a genuine accessory ensures:

  • Reliable measurement accuracy
  • Stable long-term performance
  • Seamless compatibility
  • Simplified installation
  • Reduced risk of incorrect readings

This makes it an ideal choice for expanding or maintaining your Shelly energy monitoring system.

Key Features & Benefits

50A Rated Current Capacity

Designed to measure electrical current loads up to 50 Amps, this CT clamp is well-suited for:

  • Residential circuits
  • Appliance monitoring
  • Solar production measurement
  • Sub-circuit tracking

It provides dependable readings across typical household and small business electrical loads.

Split-Core Clamp Design — Non-Invasive Installation

The split-core (clamp-on) design allows quick installation without cutting or disconnecting existing wiring.

Simply open the clamp and place it around the live conductor to begin monitoring.

Benefits include:

  • Fast installation
  • No cable cutting required
  • Minimal disruption to existing wiring
  • Reduced installation time
  • Ideal for retrofit applications

This makes it suitable for both professional electricians and experienced DIY installers.

High Measurement Accuracy (±1%)

Built with a high-quality ferrite core, the Shelly 50A CT Clamp delivers ±1% accuracy, ensuring dependable measurement data for:

  • Energy usage tracking
  • Appliance load analysis
  • Solar monitoring
  • Automation triggers
  • Power management systems

Accurate data is essential when making energy-saving decisions or diagnosing electrical consumption patterns.

Optimised Internal Diameter for Residential Wiring

The clamp features an internal diameter of approximately 10–11 mm, making it suitable for most residential and small commercial electrical conductors.

Typical supported cables include:

  • Standard household wiring
  • Sub-circuit supply cables
  • Appliance feed lines
  • Solar inverter outputs

This ensures wide compatibility across common electrical installations.

Plug-and-Play Connectivity

The Shelly 50A CT Clamp connects directly to compatible Shelly energy meters using the standard connector format.

No calibration or special configuration is required.

Simply:

  1. Connect the CT clamp to the meter
  2. Place the clamp around the conductor
  3. Begin monitoring immediately

This reduces setup time and simplifies installation.

Safe & Fully Insulated Construction

Safety is a critical consideration when working inside distribution boards and electrical panels.

This CT clamp features:

  • Fully insulated housing
  • Durable cable insulation
  • Reliable connector design
  • Safe operation inside electrical enclosures

These features help ensure dependable operation in demanding environments.

Perfect Applications

The Shelly 50A CT Clamp is designed to support a wide range of monitoring scenarios in residential, commercial, and solar installations.

Add a Second Monitoring Channel

When used with the Shelly EM Gen3 1x50A CT Smart Energy Meter, this clamp enables dual-channel monitoring, allowing you to measure:

  • Two separate circuits
  • Dual-phase systems
  • Solar production and grid consumption simultaneously

This greatly expands the flexibility of your energy monitoring setup.

Monitor High-Load Appliances

Track power usage from energy-intensive devices such as:

  • Electric geysers
  • Electric stoves
  • Air conditioning units
  • Pool pumps
  • Workshop equipment
  • EV chargers

Monitoring large loads helps identify inefficiencies and optimise electricity usage.

Solar PV Production Monitoring

Perfect for solar installations, this CT clamp allows accurate tracking of:

  • Solar generation output
  • Inverter performance
  • Energy export levels
  • Self-consumption patterns

This provides valuable insight into system performance and return on investment.

Sub-Circuit Energy Monitoring

Track individual circuits inside your distribution board to better understand energy consumption across different areas of your property.

Common sub-circuit uses include:

  • Kitchen circuits
  • Lighting circuits
  • Workshop equipment
  • Rental unit monitoring
  • Office energy usage

Sub-circuit monitoring helps pinpoint energy-heavy areas.

Replacement for Lost or Damaged Clamps

This genuine Shelly CT clamp serves as an exact replacement for:

  • Lost CT clamps
  • Damaged cables
  • Faulty transformers

Using the official replacement ensures consistent accuracy and compatibility.

Compatible Devices

The Shelly 50A CT Clamp is specifically designed to work with the following Shelly energy monitoring devices:

Using genuine accessories helps maintain accuracy and long-term system reliability.

Designed for South African Installations

This CT clamp is well-suited for the electrical environments commonly found in South African homes and small businesses.

Typical use environments include:

  • Residential distribution boards
  • Solar inverter systems
  • Smart home installations
  • Commercial sub-metering
  • Workshop and small business setups

Its compact size and flexible cable length allow easy routing inside standard electrical enclosures.

Technical Specifications

Product Type: Current Transformer (CT Clamp)
Rated Primary Current: 50A
Measurement Accuracy: ±1%

Internal Diameter:
Approximately 10–11 mm

Cable Length:
Approximately 60 cm

Connector Type:
Standard Shelly EM-compatible connector

Core Material:
High-quality ferrite

Installation Type:
Split-core clamp-on

What’s Included in the Box

 

  • 1 × Shelly 50A CT Clamp
  • Attached connection cable

Why Use Genuine Shelly Accessories?

Using original accessories designed by Shelly Group ensures your monitoring system performs as expected.

Benefits include:

  • Guaranteed compatibility
  • Reliable measurement accuracy
  • Reduced installation issues
  • Longer service life
  • Consistent performance

This makes the Shelly 50A CT Clamp a dependable choice for expanding or maintaining your energy monitoring system.

Expand Your Energy Monitoring System with Confidence

Whether you’re building a smart energy monitoring system from scratch or expanding an existing installation, the Shelly 50A CT Clamp delivers the precision, safety, and reliability needed for accurate electrical measurement.

Add additional monitoring capability to your setup and gain deeper visibility into your electricity usage—ideal for modern homes, solar systems, and smart energy environments.

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