Eaton CT-SP-2031-2000-5 5A Split Core Current Sensor - CSA UL
Part Number: CT-SP-2031-2000-5
Quick Summary
Eaton 5A split core current sensor is a compact, high-accuracy device designed to monitor large electrical loads in panels and distributed automation systems. Engineers often face the challenge of measuring current without interrupting service or pulling feeders for testing, which can delay projects and increase risk. This CT-SP model delivers CSA Certified and UL Recognized reliability, with a 0.3% accuracy class that supports precise energy management and fast fault detection. With a primary rating up to 2000A and a 5A secondary output, it plugs into standard metering and smart panel systems, reducing wiring complexity. In busy facilities, that translates to faster commissioning, lower field labor costs, and clearer visibility into load profiles for safer, smarter operation.
Product Information
Extended Description
CT-SP-2031-2000-5 Eaton: Split Core CT 2000A, .3% ACCY, 1.97 x 3.15 inch window
Product Name
Eaton 5A split core current sensor
Catalog Number
CT-SP-2031-2000-5
UPC
786689884604
Product Length/Depth
5.71 in
Product Height
1.97 in
Product Width
4.49 in
Product Weight
1.5 lb
Certifications
CSA Certified UL Recognized
Amperage Rating
2000A
Quantity
1
Current transformer type
Split Core
Application current (primary rating)
2000A
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: Split-core design enables clamp-on installation without disconnecting wiring. Benefit → Business Impact → Application: minimizes downtime during retrofits and upgrades, accelerates commissioning in retrofit projects, ideal for panel metering in manufacturing lines. Application: quickly attach to conductor bundles to monitor real-time currents while minimizing service interruption. Feature: 2000A primary rating with 5A secondary output. Benefit → Business Impact → Application: supports high-load monitoring with standard 5A meters, enabling accurate energy accounting and protection schemes in large electrical rooms. Application: suitable for main feeders and subfeed monitoring in data centers and processing facilities. Feature: 0.3% ACCY class. Benefit → Business Impact → Application: improves measurement fidelity for energy management, demand response, and peak shaving programs, reducing billing risk and improving ROIs. Application: precise budgeting and performance analytics across industrial processes. Feature: CSA Certified and UL Recognized. Benefit → Business Impact → Application: ensures regulatory compliance and supplier reliability, smoothing procurement for safety-critical installations. Application: preferred in equipment rooms and panelboards with strict certification requirements. Feature: Compact footprint and weight (5.71 in L × 1.97 in H × 4.49 in W, ~1.5 lb). Benefit → Business Impact → Application: eases integration into crowded enclosures without compromising clearance or thermal management. Application: ideal for retrofit projects and new installations in space-constrained panels. Feature: Proven compatibility with Eaton metering products and standard power distribution controls. Benefit → Business Impact → Application: reduces engineering time, simplifies spare parts inventory, and enhances interoperability in mixed-brand ecosystems. Application: panel boards, submeters, and energy monitoring schemes.
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FAQs
The CT-SP-2031-2000-5 uses a split-core design that clamps around a conductor, eliminating the need to disconnect equipment. This enables rapid retrofits and minimizes downtime. For installation, align the sensor with the conductor opening, close the clamp securely, and connect the secondary to the metering or protection circuit per Eaton’s installation guide. Proper seating ensures accurate readings and repeatable performance in panelboard environments.
This device provides a 0.3% ACCY accuracy class across its rated range, with a 2000A primary rating and a 5A secondary output. Such performance supports precise energy measurement, fault detection, and reliable monitoring for large electrical loads. It is well suited for high-current panels, subfeed monitoring, and integration with Eaton metering systems.
Yes. The split-core design allows rapid deployment in panel boards and distribution panels without service interruption. Its 2000A primary rating matches large loads typical of industrial plants, while the 5A secondary output integrates with standard metering hardware. CSA Certified and UL Recognized certification further assures compliance, making it a dependable choice for energy management and demand analytics projects.
The sensor carries CSA Certified and UL Recognized certifications, signaling compliance with national safety standards and reliability expectations for electrical components. For procurement and QA processes, these certifications reduce supplier risk, simplify regulatory audits, and support safe operation in control cabinets, switchgear housings, and utility-grade metering installations.
ROI comes from faster commissioning, reduced field labor during retrofits, and improved visibility into load profiles for demand management. Maintenance needs are minimal since there are no winding connections to service; the split-core clamp remains secure with periodic inspection. For ongoing value, pair the sensor with Eaton metering or energy management platforms to optimize energy use and monitor critical loads in real time.