Secure Meters MCT 104‑80(45) Ring-Type Current Transformer – Class 1 Accuracy | 800A/5A
For safe and reliable current measurement in low-voltage switchboards, the Secure Meters MCT 104‑80(45) offers a compact, high-accuracy ring-type CT solution. Built for through-busbar mounting, this model converts 800 A to 5 A with Class 1 precision. Its rugged, flame-retardant resin encapsulation ensures long-term durability even in demanding industrial environments. Designed to meet IEC 61869‑2 standards, it's ideal for accurate metering and protection systems.
Primary Current: 800 A
Secondary Current: 5 A
Accuracy Class: Class 1 (IEC 61869‑2 compliant)
Rated Burden: 15 VA
Core Type: Ring (toroidal) core
Aperture Dimensions: ~80 × 45 mm
Mounting Type: Through-busbar (aperture ~80×12 mm)
Encapsulation: UL94V‑0 flame-retardant resin
Safety: Hinged, sealable terminal covers; high insulation
Overload Tolerance: 1.2× rated continuous current
Test Voltage: Typically 3 kV
The Secure Meters MCT 104‑80(45) offers dependable Class 1 current measurement performance in a robust, space-saving design. Whether you're building a new power distribution panel or retrofitting existing systems, this CT ensures precision with minimal hassle. It’s pre-molded with fire-retardant UL94V‑0 resin for long-term safety and performance. The hinged terminal cover adds an extra layer of protection, making this unit both secure and easy to maintain.
Power Distribution Panels
Low Voltage Switchboards
Energy Metering Systems
Industrial Automation Panels
Electrical Utilities & Substations
Q1: Can this CT be used for protection as well as metering?
Yes, it provides Class 1 accuracy suitable for both metering and general protection applications.
Q2: Is the enclosure flame retardant?
Yes, the transformer is encapsulated in UL94V‑0 rated flame-retardant resin.
Q3: What is the continuous overload tolerance?
It can handle up to 1.2× its rated current continuously.
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