Eaton CT-SP-0812-100-5 Current Sensor - CSA UL Recognized
Part Number: CT-SP-0812-100-5
Quick Summary
The Eaton CT-SP-0812-100-5 current sensor provides accurate measurement for panel metering and motor protection. Engineers replacing legacy meters or upgrading automation panels often face space constraints, lengthy wiring, and inconsistent readings that erode efficiency and uptime. CSA Certified and UL Recognized provide safety and reliability assurances, while the 100A primary / 5A secondary rating enables accurate, scalable monitoring across commercial and industrial sites. With a compact 4.13 in length, 3.5 in width, and 1.57 in height, it fits tight panels and reduces wiring complexity, delivering measurable business value. This role is ideal for energy management systems, metering modules, and motor control centers.
Product Information
Extended Description
CT-SP-0812-100-5 Eaton: Split Core CT 100A, 3% ACCY, .83 x 1.22 inch window
Product Name
Eaton 5A split core current sensor
Catalog Number
CT-SP-0812-100-5
UPC
786689884659
Product Length/Depth
4.13 in
Product Height
1.57 in
Product Width
3.5 in
Product Weight
1.5 lb
Certifications
CSA Certified UL Recognized
Amperage Rating
100A
Quantity
1
Current transformer type
Split Core
Application current (primary rating)
100A
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 construction lets you snap the sensor around an existing conductor without disconnecting power, cutting installation time and minimizing panel downtime. This directly reduces field labor costs and accelerates commissioning in new builds or retrofits. In panel metering and energy monitoring, the ability to measure current without a break is a clear competitive advantage. Amperage rating of 100A with a 5A secondary output aligns with standard metering inputs, enabling compatibility with a wide range of energy meters and controllers. This reduces the need for custom interfaces and lowers project risk during integration into motor control centers and switchgear. The design supports quick wiring and clean panel layouts. 3% accuracy ensures reliable measurements for billing and power quality, boosting confidence in energy reporting. Certifications CSA Certified and UL Recognized provide safety validation necessary for electrical installations in commercial and industrial environments. Physical dimensions and form factor—4.13 in length, 3.5 in width, 1.57 in height—facilitate installation in tight panels and retrofit scenarios, reducing enclosure size requirements in energy management systems.
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FAQs
To install, open the split-core CT, place the conductor through the window so a single turn passes, close the core to secure it, and then connect the 5A secondary leads to the metering or control input. Verify orientation and ensure no secondary turns are left open to avoid overvoltage. This process minimizes panel downtime and enables quick retrofits.
The device provides a 100A primary rating with a 5A secondary output and an accuracy of 3%. The window size is approximately 0.83 by 1.22 inches, with overall dimensions around 4.13 in (length) by 3.5 in (width) by 1.57 in (height). Certifications include CSA Certified and UL Recognized.
Yes. The CT-SP-0812-100-5 is CSA Certified and UL Recognized, ensuring compliance with electrical safety standards and reliability requirements for panel metering and energy monitoring in commercial and industrial environments.
This split-core current sensor is ideal for panel metering, energy management systems, motor control centers, and general electrical distribution monitoring. Its 100A/5A configuration and compact form factor make it a practical choice for retrofit projects and new installations where precise current measurement and fast installation are priorities.
Routine maintenance is minimal due to the solid-state construction and lack of moving parts. The main ROI drivers are faster installation, reduced wiring complexity, and accurate measurements that improve billing accuracy and energy reporting. The CSA UL certifications further reduce procurement risk and support smoother supplier audits.