Eaton CT-SP-3135-500-5 Current Sensor - UL/CSA Certified
Part Number: CT-SP-3135-500-5
Quick Summary
Eaton CT-SP-3135-500-5 current sensor delivers precise monitoring for metering and protection in industrial power systems. This split-core design simplifies installation in crowded panels without downtime, addressing a common industry challenge. UL Recognized and CSA Certified provide safety and regulatory assurance, while a compact form supports tight spaces. In addition to metering accuracy, its 500A primary, 5A secondary rating and robust panel-fit enable reliable energy management and protection workflows across industrial facilities.
Product Information
Extended Description
CT-SP-3135-500-5 Eaton: Split Core CT 500A, .6% ACCY, 3.10 x 3.50 inch window
Product Name
Eaton 5A split core current sensor
Catalog Number
CT-SP-3135-500-5
UPC
786689884901
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
500A
Quantity
1
Current transformer type
Split Core
Application current (primary rating)
500A
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
High-current accuracy with split-core CT design delivers reliable measurements for energy management and protection systems, reducing calibration time and improving reporting quality. The 500A primary and 5A secondary output enable seamless integration with existing meters and protection relays, supporting efficient utility-grade metering and plant monitoring. The 3.10 x 3.50 inch window and 7 inch length fit standard panel openings, while the 1.5 lb weight simplifies mounting in compact MCCs and switchgear configurations. The compact footprint, combined with UL Recognized and CSA Certified status, reduces audit risk and accelerates commissioning in regulated environments. This sensor is designed for quick snap-on installation, minimizing wiring complexity and downtime, and providing a dependable data source for energy dashboards and demand response initiatives. Compatibility with Eaton and third-party metering ecosystems enhances deployment flexibility in modern power management architectures. The durable construction supports long-term operation in demanding industrial settings, delivering measurable cost savings through improved measurement fidelity and reduced maintenance.
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FAQs
The CT-SP-3135-500-5 uses a split-core design that clamps around a conductor without disconnecting power, enabling quick installation in existing panels. With a 500A primary rating and a 5A secondary output, it provides immediate, accurate sensing for metering and protection relays. Ensure correct conductor orientation and close the clamp securely for accurate readings.
Key specs include a 500A primary rating, 5A secondary current, and 0.6% accuracy at rated load. It is a split-core current transformer with a 7 inch length and 3.10 x 3.50 inch window, weighing 1.5 lb. Certifications include UL Recognized and CSA Certified, supporting reliable regulatory compliance in industrial settings.
Yes. The CT-SP-3135-500-5 is designed for metering and protection applications in power distribution and motor control centers. Its split-core design allows rapid installation in MCCs, while the 500A primary/5A secondary output and 0.6% accuracy deliver precise measurement data for energy management, fault detection, and protection relays.
The CT-SP-3135-500-5 carries UL Recognized and CSA Certified designations, signaling compliance with safety and electrical standards. These certifications help pass regulatory audits, reduce supplier risk, and increase confidence in long-term performance in demanding environments where safety and reliability are essential.
ROI comes from faster installations, reduced panel downtime, and improved measurement accuracy for energy reporting. The split-core design minimizes commissioning time, while reliable 0.6% accuracy improves billing and efficiency analytics, supporting demand-management initiatives and potential energy cost reductions over the equipment lifecycle.