Eaton CT-SP-2031-500-5 Current Sensor - UL & CSA Certified
Part Number: CT-SP-2031-500-5
Quick Summary
The Eaton 5A split core current sensor measures AC current in switchgear, panels, and metering assemblies. Its clamp-on design minimizes service interruptions and simplifies retrofits in crowded electrical spaces. UL Recognized and CSA Certified provide robust safety and reliability across industrial installations. By delivering a precise 5A secondary from a 500A primary, it enables accurate energy monitoring, compliance reporting, and reduced wiring complexity for power distribution projects.
Product Information
Extended Description
CT-SP-2031-500-5 Eaton: Split Core CT 500A, 1.2% ACCY, 1.97 x 3.15 inch window
Product Name
Eaton 5A split core current sensor
Catalog Number
CT-SP-2031-500-5
UPC
786689884628
Product Length/Depth
5.71 in
Product Height
1.97 in
Product Width
4.49 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
Feature: 500A primary rating with 5A secondary output → Business Impact: Enables direct integration with standard 5A meters and control systems, reducing the need for extra scaling transformers and speeding up commissioning. Application: Panel metering and protection in distribution centers, warehouses, and manufacturing lines. Feature: Split-core design → Business Impact: Non-invasive installation that minimizes downtime and avoids disconnecting main feeders. Application: Retrofit projects in existing switchgear where space is at a premium. Feature: Compact, rugged form factor (5.71 in x 4.49 in x 1.97 in) → Business Impact: Easier mounting in crowded panels and gateways with stable, vibration-resistant operation. Application: Front-access metering panels and protective relays where space is limited. Feature: Weight of 1.5 lb and ergonomic handling → Business Impact: Simplifies field installation and reduces mounting effort, lowering labor costs. Application: Field service teams performing quick installs or replacements. Feature: Certifications UL Recognized, CSA Certified → Business Impact: Meets strict safety and reliability standards, supporting regulatory compliance and system audits. Application: Industrial facilities requiring certified current sensing for metering and protection. Feature: 5A secondary output compatibility → Business Impact: Supports direct connection to most energy meters and monitoring modules, minimizing wiring complexity. Application: Energy management systems and panel-level monitoring across manufacturing and data centers.
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FAQs
CT-SP-2031-500-5 uses a split-core design that clamps around an existing conductor, enabling non-invasive installation. Ensure the conductor is within the 500A primary range, mount the sensor in a suitable enclosure, and connect the 5A secondary wiring to the monitoring instrument or meter input with proper isolation and safety practices.
The sensor has a 500A primary rating and a 5A secondary output. This configuration supports direct connection to standard energy meters and control devices, delivering accurate current readings without additional external transformers.
Yes. With a 5A secondary output, it is compatible with most meters and monitoring modules designed for 5A current inputs. Verify the meter’s input specification and ensure proper wiring and polarity for accurate readings.
The CT-SP-2031-500-5 is UL Recognized and CSA Certified, providing validated safety and reliability for industrial electrical installations and compliance reporting.
By enabling accurate energy monitoring with a 5A secondary, reducing installation downtime through split-core design, and simplifying retrofits in crowded panels, it lowers labor costs, improves metering accuracy, and supports faster compliance audits and energy management initiatives.