The Fluke I40S-EL3X/3PK Clamp-on Current Transformer 3-Pack provides precise current measurement for industrial, commercial, and laboratory electrical systems. These CTs allow technicians, engineers, and electricians to measure AC currents safely without direct contact with high-voltage conductors, making them ideal for power quality analysis, load monitoring, and energy auditing.
This 3-pack set ensures convenient simultaneous measurement of three-phase systems, improving efficiency and reducing setup time. Compatible with standard power meters and analyzers, the I40S-EL3X CTs deliver reliable and repeatable measurements, even in confined spaces or complex wiring environments. Durable construction ensures long-term reliability for field, workshop, or laboratory use.
Key Features
3-pack of clamp-on current transformers for three-phase measurement
Safe, non-intrusive AC current measurement
Compact and lightweight design for easy handling
Compatible with standard multimeters and power analyzers
Accurate and repeatable measurements in industrial and laboratory applications
Durable construction for field, lab, or workshop use
Included accessories: Three clamp-on CTs, protective carrying case, and user manual.
Compliance: Meets international electrical safety standards for current measurement.
Benefits for Lab and Field Users
Enables simultaneous three-phase current monitoring
Reduces setup time and simplifies multi-phase measurements
Safe and reliable operation without disconnecting circuits
Durable and portable for repeated use in various environments



