Eaton CT-SP-3147-3000-5 Current Sensor - UL Recognized
Part Number: CT-SP-3147-3000-5
Quick Summary
Eaton 5A split core current sensor provides precise current monitoring for large feeders in industrial power distribution. This compact device enables reliable load measurement with minimal service interruption during retrofit or new installation. Engineers often struggle with retrofits that disrupt operations or deliver marginal accuracy; CT-SP-3147-3000-5 addresses these pain points with a split-core design that installs quickly around existing conductors. The unit carries UL Recognized and CSA Certified markings, reinforcing safety and compliance in critical environments, and its 3000A primary rating with a 5A secondary output suits metering and protection tasks. By enabling accurate energy data and fast fault detection, it supports energy management initiatives, panel optimization, and regulatory reporting across manufacturing, data centers, and facilities.
Product Information
Extended Description
CT-SP-3147-3000-5 Eaton: Split Core CT 3000A, .6% ACCY, 3.15 x 4.72 inch window
Product Name
Eaton 5A split core current sensor
Catalog Number
CT-SP-3147-3000-5
UPC
786689884970
Product Length/Depth
7.28 in
Product Height
1.97 in
Product Width
5.67 in
Product Weight
1.5 lb
Certifications
UL Recognized CSA Certified
Amperage Rating
3000A
Quantity
1
Current transformer type
Split Core
Application current (primary rating)
3000A
Output Current (Secondary)
5A
Power Systems Experience Center Tour – Metering Focus
5A split core current transformers (CT-SP) technical data
5A split core current transformers (CT-SP) technical data
Split-core design enables fast, tool-free installation around live conductors, minimizing downtime during retrofits. This translates to lower labor costs and reduced risk of arc-flash exposure for technicians. Typical applications include panel upgrades, feeders, and metering points in manufacturing facilities and data centers. High primary rating of 3000A allows direct monitoring of large feeders without multiple cores or oversized sensors, delivering improved asset visibility, better load balancing, and more accurate energy reporting for utility compliance and cost allocation. Common applications include main feeders and large distribution panels in industrial plants. The 5A secondary output provides compatibility with most meters and control systems, eliminating the need for complex signal conditioning, reducing integration time, and speeding up commissioning. This supports metering installations and relay interfaces in control rooms and switchgear enclosures. Compliance and safety are reinforced by UL Recognized and CSA Certified markings, helping you meet regulatory requirements and internal standards. The sensor’s compact footprint and standard 7.28 in length fit typical Eaton CT-SP form factors, simplifying retrofits and panel planning. These features deliver predictable, repeatable measurements across temperature and vibration conditions in harsh environments. Size and window dimensions — 3.15 x 4.72 inch window — enable clean installation around conductor bundles in tight spaces. The 1.5 lb weight and robust housing reduce mounting strain, while the 7.28 in length and 5.67 in width align with common panel cutouts. In practice, technicians gain faster project timelines and facility-wide energy visibility.
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FAQs
CT-SP-3147-3000-5 is a 5A split-core current transformer with a 3000A primary rating, designed to fit around conductors in typical Eaton metering and distribution setups. It accommodates standard panel openings and connects to metering inputs or protective relays that accept a 5A secondary signal. For retrofit projects, confirm conductor routing and ensure clearance around the window opening (3.15 x 4.72 in) to avoid interference. No conductor disconnection is required during installation, minimizing downtime.
The CT-SP-3147-3000-5 provides a 3000A primary current rating with a 5A secondary output, split-core design for quick installation, and a stated accuracy of 0.6% ACCY under specified conditions. It measures with a window size of 3.15 x 4.72 inches and overall dimensions of 7.28 inches in length, 5.67 inches in width, and 1.97 inches in height. Certifications include UL Recognized and CSA Certified, supporting safety and compliance in industrial environments.
Yes. With a 3000A primary rating, this split-core CT is well-suited for monitoring large feeders in industrial panels and main distribution setups. Its 5A secondary output integrates with meters, energy management systems, and protective relays without requiring complex signal conditioning. The split-core design simplifies retrofits around existing conductors, reducing downtime and enabling rapid commissioning in factories, data centers, and other facilities with demanding current measurement needs.
CT-SP-3147-3000-5 carries UL Recognized and CSA Certified markings, indicating compliance with essential safety and performance standards for electrical equipment. These certifications help validate safe operation in regulated environments and support customer validation during audits and system approvals. For electrical contractors and engineers, this means easier procurement, lower risk during installation, and alignment with industry best practices for reliable metering and protection.
The sensor enables accurate energy data and fault detection with a minimal maintenance footprint due to its solid-state construction and split-core design, which reduces downtime during installation. Fast retrofit capability lowers project labor costs and accelerates time-to-value for energy management and regulatory reporting. Over the system’s life, improved load visibility helps optimize energy use, reduce peak demand charges, and support continuous compliance with standards.