Eaton CT-SP-3135-750-5 current sensor - UL Recognized
Part Number: CT-SP-3135-750-5
Quick Summary
The Eaton CT-SP-3135-750-5 current sensor delivers precise panel metering for industrial systems. The split-core design reduces downtime by eliminating the need to disconnect conductors during installation, addressing a common pain point for retrofit projects. UL Recognized and CSA Certified ensure electrical safety and compliance in North American installations. This 5A secondary transformer is ideal for energy metering and protection relays, while integrating with Eaton CT-SP family devices to streamline procurement and maintenance.
Product Information
Extended Description
CT-SP-3135-750-5 Eaton: Split Core CT 750A, .6% ACCY, 3.10 x 3.50 inch window
Product Name
Eaton 5A split core current sensor
Catalog Number
CT-SP-3135-750-5
UPC
786689884925
Product Length/Depth
7 in
Product Height
1.25 in
Product Width
6.1 in
Product Weight
1.5 lb
Certifications
UL Recognized CSA Certified
Amperage Rating
750A
Quantity
1
Current transformer type
Split Core
Application current (primary rating)
750A
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
Feature: 750A primary rating paired with a 5A secondary output provides precise measurement for high-load electrical circuits. This combination yields accurate energy data feeding meters and relays, enabling tighter energy management and reduced billing variances. Application: Retrofit and new installations in motor drives and feeders in manufacturing plants. Feature: Split-core design enables installation without disconnecting conductors, reducing commissioning time and plant downtime. Business impact: faster project turnover, lower labor costs, and safer fieldwork. Application: Panel upgrades and energy-management retrofits in existing switchgear. Feature: 0.6% accuracy ensures stable readings across varying load profiles. Business impact: improves meter performance, protection coordination, and energy accounting. Application: Data centers, process lines, and critical infrastructure. Feature: Manageable footprint with 7 in length, 6.1 in width, 1.25 in height, and a 3.10 x 3.50 in window. Business impact: easier installation in tight panels and reduced cabling complexity. Application: Control cabinets with limited clearance. Feature: Certifications UL Recognized and CSA Certified provide regulatory compliance and supplier confidence. Business impact: simplifies procurement and reduces qualification risk. Application: North American industrial deployments requiring certified metering sensors.
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FAQs
CT-SP-3135-750-5 is a split-core current transformer designed for accurate metering in industrial panels, switchgear, and energy-management installations. With a 750A primary rating and a 5A secondary output, it feeds precise signals to meters, relays, and protection systems while supporting retrofit and new-build projects.
To install, place the split-core CT around the conductor to be measured without disconnecting it. Secure the halves, ensure proper orientation, and connect the 5A secondary leads to the metering or relaying input. Verify insulation and tight connections before restoring power, and perform a brief functional check with the meter.
Key specs include a 750A primary rating, 5A secondary output, 0.6% accuracy, 7 in length, 6.1 in width, 1.25 in height, and a 3.10 x 3.50 in window. Weight is listed at 1.5 lb, with UL Recognized and CSA Certified safety qualifications.
Yes. The CT-SP-3135-750-5 is UL Recognized and CSA Certified, meeting North American electrical safety and performance standards for metering and control applications.
This sensor delivers accurate 0.6% readings with a fast, retrofit-friendly installation. It improves energy accounting, supports reliable protection schemes, reduces commissioning time, and simplifies procurement within Eaton's CT-SP family for consistent performance across facilities.