Eaton CT-SP-5-800-5A Split Core CT - C12.20 Spec
Part Number: CT-SP-5-800-5A
Quick Summary
The Eaton CT-SP-5-800-5A split-core current transformer is a compact, high-accuracy sensor built for metering in power panels. Engineers often struggle with retrofit sensors that require service interruptions or deliver inconsistent readings. This device is ANSI/IEEE C12.20 certified and RoHS compliant, supporting regulatory alignment and safe, sustainable use. With an 800 A primary and 5 A secondary, it delivers 0.50% accuracy across a 600 V input range, ideal for energy management, panel metering, and load monitoring. Operating from -10 to 60°C, its split-core design enables fast, non-invasive installation in existing installations, reducing downtime and wiring complexity while improving data reliability for utility-grade metering and control systems.
Product Information
Extended Description
CT-SP-5-800-5A Eaton: Split-core Current Transformer 800/5A, 0.5% accuracy, Input: 600V, 2, Operating: -10°C to 60°C, 5A, CT-SP-5 series
Product Name
Eaton 5A split core current sensor
Catalog Number
CT-SP-5-800-5A
UPC
786685873497
Product Length/Depth
4.37 in
Product Height
5.83 in
Product Width
1.24 in
Product Weight
1.7 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
RoHS Compliant
Certifications
ANSI/IEEE Std C12.20
Catalog Notes
3.75 Burden VA ±0.5%
Special features
3.75 Burden VA ±0.5%
Operating Temperature
-10° to 60°C
Quantity
1
Current transformer type
Split Core
Application current (primary rating)
800A
Window size
3.50" x 2.00"
Output Current (Secondary)
5A
Output
5 A
Accuracy
0.50%
Input voltage
600 V
Number of wires
2
Series
CT-SP-5
Power Systems Experience Center Tour – Metering Focus
Eaton Specification Sheet - CT-SP-5-800-5A
5A split (M0) and solid (S0) core current transformers technical data
5A split (M0) and solid (S0) core current transformers technical data
Feature: Split-core design enables fast, non-invasive installation. Business Impact: Reduces downtime and avoids conductor disconnection, lowering labor costs during retrofit projects. Application: Ideal for retrofit metering in service panels and motor control centers where quick, safe installation matters. Feature: 800 A primary / 5 A secondary with 0.50% accuracy. Business Impact: Delivers reliable, high-accuracy readings for energy management and protected equipment, supporting accurate billing and reporting. Application: Scales with large loads in data centers, manufacturing lines, and utility panels. Feature: 600 V input rating and 3.50" x 2.00" window size. Business Impact: Enables safe operation in medium-voltage environments with compatible busbar access and compact form factor. Application: Panel integration in space-constrained control rooms and switchgear assemblies. Feature: 3.75 VA burden (±0.5%) and RoHS/ANSI compliance. Business Impact: Ensures compatibility with standard meters and regulatory requirements, reducing integration risk and improving overall compliance. Application: Metering sensors in compliant power management systems across industries. Feature: Wide operating temperature (-10°C to 60°C) and robust construction. Business Impact: Maintains performance in harsh environments, reducing maintenance and replacement costs. Application: Industrial facilities, data centers, and process plants where ambient conditions vary.
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FAQs
This unit features a 3.50" x 2.00" window and a split-core design that allows clamp-on installation around existing conductors without disconnecting equipment. Plan for a single primary conductor per transformer core, ensure the conductor is within the 800 A primary rating, and verify the 600 V input rating is suitable for the panel. Proper orientation and clearance improve measurement accuracy and ease future maintenance.
Yes. The CT-SP-5-800-5A provides a 5 A secondary output and 0.50% accuracy, which aligns with standard metering inputs found in Eaton and third-party power management systems. Its ANSI/IEEE C12.20 certification and RoHS compliance further support compatibility and regulatory alignment for modern energy-management architectures.
Key factors include the 0.50% accuracy rating, 800 A primary with a 5 A secondary output, and a 3.75 VA burden. Maintaining the specified burden, ensuring the 600 V input rating is respected, and keeping operating temperature within -10°C to 60°C are essential for preserving measurement integrity across load conditions in industrial panels.
The transformer is ANSI/IEEE Std C12.20 certified, confirming metering accuracy and performance for energy systems. It is RoHS compliant, ensuring materials and manufacturing meet environmental and safety standards. These certifications support reliability, end-user safety, and regulatory compliance in industrial environments.
Split-core design allows non-invasive retrofits, meaning you can install the sensor without removing power or disconnecting conductors. This reduces downtime and risk, simplifies site commissioning, and enables rapid deployment across multiple panels. It’s particularly beneficial for upgrading legacy metering or expanding monitoring in data centers and manufacturing lines.