Eaton CT-SP-0812-400-5 Current Sensor - UL Recognized
Part Number: CT-SP-0812-400-5
Quick Summary
The Eaton CT-SP-0812-400-5 current sensor provides precise 5A secondary output for high-current monitoring in panel metering. Engineers often need clamp-on solutions that minimize service disruption and maintain safety during installation. It carries UL Recognized and CSA Certified markings, aligning with essential electrical standards for critical installations. Designed for 400 A primary, with a compact footprint that fits standard meter enclosures, this device integrates smoothly with Eaton metering and power management systems. The result is accurate energy measurement, reduced wiring, and faster commissioning—delivering measurable improvements in reliability, compliance, and total cost of ownership. By combining proven accuracy with easy installation, it supports faster project timelines and predictable maintenance.
Product Information
Extended Description
CT-SP-0812-400-5 Eaton: Split Core CT 400A, .6% ACCY, .83 x 1.22 inch window
Product Name
Eaton 5A split core current sensor
Catalog Number
CT-SP-0812-400-5
UPC
786689884697
Product Length/Depth
4.13 in
Product Height
1.57 in
Product Width
3.5 in
Product Weight
1.5 lb
Certifications
UL Recognized CSA Certified
Amperage Rating
400A
Quantity
1
Current transformer type
Split Core
Application current (primary rating)
400A
Output Current (Secondary)
5A
Power Systems Experience Center Tour – Metering Focus
5A split (M0) and solid (S0) core current transformers technical data
5A split (M0) and solid (S0) core current transformers technical data
Feature Split Core design enables quick installation around live conductors without circuit shutdown. Business Impact This reduces downtime and lowers installation risk, accelerating commissioning in panel metering and distribution feeders. Application Perfect for retrofit metering in manufacturing cells and utility panels. Feature 5A secondary current output ensures compatibility with most metering devices and data loggers. Business Impact This minimizes secondary wiring complexity and reduces measurement error, improving data integrity for energy dashboards and power quality monitoring. Application Ideal for energy management systems in industrial facilities. Feature 400A primary rating accommodates large feeders and motor loads with a single sensor. Business Impact This eliminates multiple cores and simplifies inventory, cutting project lead times. Application Suitable for circuit feeders in switchgear and panel boards. Feature Compact 4.13 in L Ă— 3.5 in W Ă— 1.57 in H footprint and 1.5 lb weight. Business Impact This enables installation in crowded panels and tight enclosures, lowering enclosure modification costs. Application Useful in compact metering enclosures and mezzanine panels. Feature UL Recognized and CSA Certified. Business Impact This ensures procurement compliance and field credibility for regulated environments, simplifying supplier qualification. Application Supports industry standards in both North America and international projects. Feature 0.6% ACCY (Accuracy). Business Impact This delivers precise energy measurement for billing, audits, and efficiency programs, reducing over- or under-billing. Application Beneficial for energy analytics and performance reporting.
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FAQs
The CT-SP-0812-400-5 uses a split-core design that clamps around a live conductor, allowing installation without power-down in most cases. Ensure correct orientation, secure mounting, and follow standard safety practices; its compact 4.13 in length and 3.5 in width fit common panel spaces.
It provides a 0.6% accuracy rating with a 400A primary and 5A secondary output, delivering reliable metering data for energy analysis and power management.
Yes. The 400A primary rating, 5A secondary output, and UL Recognized/CSA Certified status make it ideal for panel metering, energy monitoring, and continuous power quality assessment in industrial environments.
The sensor is UL Recognized and CSA Certified, ensuring compliance with safety standards and simplifying supplier qualification and procurement for regulated industries.
It reduces installation downtime, improves measurement accuracy for billing and audits, and simplifies wiring and integration with Eaton metering systems, leading to faster commissioning and lower total cost of ownership.