Eaton CB2533T120480 Pringle bolted switch - UL Listed
Part Number: CB2533T120480
Quick Summary
Eaton CB2533T120480 is a bolted pressure contact switch designed for high-current protection in industrial power distribution. Engineers often struggle with reliable fault protection in large switchgear while meeting tight space and wiring constraints. This unit is UL Listed and provides NEMA 1, 3R, 4, and 12 enclosure protection, delivering dependable performance in varied environments. With a 2500A amperage rating, 480V system voltage, and top-feed configuration, it integrates smoothly with existing gear while enabling safer operation and longer equipment life. This combination supports compliant, efficient, and scalable power distribution for industrial facilities.
Product Information
Extended Description
CB2533T120480 Eaton: Eaton pringle bolted pressure contact switch,2500A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480
UPC
782116899180
Product Length/Depth
17.5 in
Product Height
28 in
Product Width
28 in
Product Weight
215 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.
Certifications
UL Listed
Catalog Notes
OPTIONAL Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, Auxiliary Contact Provisions, AVAILABLE.
Feed type
Top
Fuse configuration
Top feed
Ground
No ground fault
Number Of Poles
Three-pole
Number of wires
3
Switch type
Electrical trip with charge-before-close mechanism
Type
Pringle bolted pressure contact switch
Amperage Rating
2500A
Control voltage
120 V
NEMA rating
NEMA 1, NEMA 3R, NEMA 4, NEMA 12
Protection
Fusible
System voltage
480 V
Voltage - max
480 V
Voltage rating
480 V
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533T120480
Feature: Amperage rating of 2500A and system voltage of 480V enables true high-current protection against motor and feeder faults. Business Impact: Reduces system-wide fault escalation and equipment wear, improving uptime and lowering maintenance costs. Application: Large manufacturing lines and data centers that require robust switching devices for critical feeders. Feature: Top feed fuse configuration simplifies wiring and facilitates faster installation. Business Impact: Cuts installation time and minimizes wiring errors, improving project lead times and field reliability. Application: Switchgear feeders and panel boards with limited access or vertical installation constraints. Feature: Electrical trip with charge-before-close mechanism enhances operator safety and fault clearance speed. Business Impact: Delivers safer start-up sequences and more predictable interlock behavior, reducing incident risk. Application: High-load electrical circuits where controlled energization is essential. Feature: UL Listed and NEMA ratings (1, 3R, 4, 12) provide proven enclosure protection and regulatory compliance. Business Impact: Supports compliance audits and extends equipment life in diverse environments. Application: Harsh or enclosure-protected environments such as manufacturing floors, outdoor installations, and controlled environments. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contact Provisions. Business Impact: Improves fault diagnostics and protective interlocks, enabling faster maintenance and safer operation. Application: Protective schemes in complex switchgear with enhanced monitoring needs. Feature: Three-pole, three-wire configuration with ground-free operation simplifies integration with existing control circuits. Business Impact: Reduces wiring complexity and compatibility challenges, enabling smoother retrofit projects. Application: Modernization projects or new builds requiring dependable 3-phase protection. Insight: Beyond the specs, practitioners value the product's compatibility with Eaton switching devices catalogs and its proven performance in high-current environments, helping justify total cost of ownership through reduced downtime and clearer maintenance planning.
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FAQs
CB2533T120480 is designed for top-feed, three-pole, three-wire configurations and should be wired per the included Eaton engineering diagrams. Ensure 480V system connections match the top-feed configuration, verify fusible protection, and, if used, configure optional Ground Fault Relay and Auxiliary Contacts. Confirm enclosure compatibility with NEMA ratings and UL Listed requirements before commissioning.
The switch is rated for 2500A with a 480V system voltage and a 120V control voltage. It uses a charge-before-close electrical trip mechanism and supports three-pole, three-wire operation. This combination is suitable for high-current feeders and ensures coordinated protection with compatible control circuits.
Yes. The unit carries UL Listed certification and NEMA ratings including 1, 3R, 4, and 12, indicating robust enclosure protection against dust, moisture, and moderate environmental exposure. It is well-suited for industrial floors, outdoor-rated switchgear, and applications requiring reliable endurance in challenging conditions.
CB2533T120480 is UL Listed and supports multiple NEMA enclosure ratings (1, 3R, 4, 12). These certifications help satisfy regulatory requirements for industrial electrical equipment and provide assurance of enclosure protection and safe operation in a variety of environments.
The product carries Eaton’s warranty policy, including one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance should focus on inspecting fusible protection, monitoring auxiliary contact provisions if used, and validating ground fault or blown fuse diagnostic options. These steps help minimize unexpected downtime and extend overall equipment lifecycle.