Current Transformer

Key Features & Benefits of Wilmall Current Sense Transformers Wilmall Current Sense Transformers (CST) deliver precise, reliable current measurement for demanding power electronics and industrial applications. Here’s what sets our Current Sensing Transformers apart: High Saturation Current Low Phase Shift Compact SMT & Through-Hole Mounting UL-Rated Materials Wide Turns Ratios (1:20 to 1:200+) Superior EMI […]

Product Overview: Core Balance Current Transformer (CBCT) A core balance current transformer (CBCT) is a specialized ring-type current transformer designed to detect residual (zero-sequence) currents in three-phase systems. Its primary purpose is to identify earth leakage or ground faults, which can pose safety hazards and cause equipment damage. Unlike traditional CTs, the CBCT provides highly […]

Current Pricing Overview Current transformer cost varies widely depending on type, accuracy, and application. Entry-level CT transformers typically start at affordable prices, suitable for basic monitoring and general use. Premium models, including revenue grade current transformers and high accuracy CT transformers, command higher prices due to advanced materials, stricter accuracy classes, and enhanced safety features. […]

Ring Current Transformer | Wilmall Toroidal Current Transformer Key Specs: Specification Details Product Type Ring Type Current Transformer Core Material Precision Toroidal Core Accuracy Classes Metering Class, Protection Class (0.2, 0.5, 1.0) Current Range 1 A to 6000 A Insulation Voltage Up to 3.6 kV Frequency 50/60 Hz Dimensions Customizable per busbar/cable diameter Mounting Options […]

Understanding Instrument Transformers Instrument transformers are critical components in power systems, serving essential roles in metering, protection, and electrical isolation. They enable the measurement and monitoring of high currents and voltages safely and accurately without exposing personnel or equipment to dangerous levels directly. Direct measurement of high currents or voltages in power networks is unsafe […]

Wilmall Low Voltage Current Transformers: Precision and Safety You Can Trust Wilmall low voltage current transformers (LV CTs) are expertly engineered to convert high primary currents into safe, manageable secondary currents. Designed for low-voltage networks up to 0.72 kV (720V), these high-precision devices are ideal for a wide range of applications including power metering, energy […]

Product Overview: Introduction, Core Application, Key Features Current transformers (CTs) are essential instrument transformers used to measure alternating current (AC) in electrical systems. They step down high primary currents to manageable secondary currents for metering and protection devices, ensuring safety and accuracy. Core Application Key Features Feature Description CT Ratio Converts high primary current (e.g., […]

When it comes to electrical design and industrial procurement, few components are as essential as current transformers (CTs). But if you’ve ever looked at an electrical schematic filled with mysterious lines, dots, and triangles, you might have wondered — what exactly do those current transformer symbols mean? In this article, we’ll unpack the meaning behind current transformer symbols, […]

A current transformers (CT) is a device used to safely measure alternating current in power systems by stepping a large line current down to a much smaller, manageable value in its secondary winding, while keeping the ratio proportional between primary and secondary currents for accurate calculation of the original current. This reduced current can then […]

Product Overview Wilmall Split Core Series for Fast, Non-Invasive Installation Wilmall’s Split Core Current Transformer range is engineered for quick, non-invasive installation in existing electrical systems. These hinged split core CTs enable installers to clamp directly around live conductors or busbars without disconnecting cables, minimizing downtime during retrofit projects. Core Value Proposition: Hinged Design for […]

I. Product Overview & Engineering Design Introduction Solid core current transformers (CTs) are essential instrument transformers designed to provide accurate current measurement and reliable electrical protection. Featuring a robust toroidal core, these through-hole current transformers are widely used in low voltage CT applications to monitor and control electrical systems effectively. The solid core design ensures […]