Eaton pringle bolted pressure contact switch CB2533T1204805 - UL Listed
Part Number: CB2533T1204805
Quick Summary
Eaton pringle bolted pressure contact switch is a high-capacity switching device designed for main distribution and control panels. Engineers often face reliability gaps, protection coordination challenges, and retrofit compatibility hurdles in demanding industrial environments. UL Listed certification, NEMA ratings (NEMA 1, 3R, 4, 12), and fuse protection provide essential safety and enclosure compatibility, while optional ground fault relay and auxiliary contact provisions offer added protection and visibility. With 2500A capacity, 480V system voltage, and a top-feed, three-pole footprint, this switch supports scalable power distribution and reduces panel complexity. Designed for rugged operations, it integrates with standard control circuits and minimizes downtime through proven performance and lifecycle value.
Product Information
Extended Description
CB2533T1204805 Eaton: Eaton pringle bolted pressure contact switch,2500A,1NO-1NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T1204805
UPC
782116952526
Product Length/Depth
17 in
Product Height
28 in
Product Width
28 in
Product Weight
205 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.
Contact configuration
1 NO-1 NC
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 - CB2533T1204805
Feature → Business Impact → Application: The device delivers a 2500A amperage rating, enabling direct switching of heavy loads and reducing reliance on external fusing. This streamlines protection coordination across feeders and shortens design cycles for large manufacturing and processing environments; Application: main distribution panels, switchgear, and processing facilities. Feature → Business Impact → Application: Top feed with top fuse configuration simplifies wiring, reduces installation time, and lowers field modification risk. This enables cleaner panel layouts and easier service access; Application: new builds and retrofit projects where wiring density matters. Feature → Business Impact → Application: The 1 NO-1 NC contact arrangement provides precise control paths for interlocks and safety circuits, improving fail-safe operation. It supports straightforward integration with programmable controllers and safety relays; Application: motor control centers and automation panels. Feature → Business Impact → Application: NEMA ratings of 1, 3R, 4, and 12 enable enclosure compatibility in indoor, damp, and outdoor conditions, reducing enclosure upgrade costs. This translates to higher uptime in dusty or wash-down environments; Application: harsh industrial environments and equipment rooms. Feature → Business Impact → Application: Optional ground fault relay, blown fuse detection, auxiliary contacts, and provisions extend protection and monitoring without rework. This enhances fault detection, maintenance planning, and regulatory compliance; Application: electrical switchboards needing enhanced reliability. Feature → Business Impact → Application: 120V control voltage with 480V system voltage compatibility supports universal control schemes and scalable deployment. It simplifies control wiring, stock management, and cross-site standardization; Application: panel builders and systems integrators deploying mixed-volt systems.
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FAQs
CB2533T1204805 is designed for main distribution panels and switchgear in industrial facilities. Its top-feed and fusible protection support direct installation in clean or rugged enclosures, reducing the need for external feeders. It is compatible with 480 V three-phase systems and 120 V control circuits, making it suitable for mixed-voltage control schemes in manufacturing, processing, and facility power distribution.
Key ratings include a 2500A amperage rating, 120 V control voltage, 480 V system voltage, 3-pole, and 3-wire configuration with a 1 NO-1 NC contact arrangement. It uses fusible protection and supports NEMA-rated enclosures suitable for industrial environments, providing robust protection for high-current applications and ease of integration with standard control circuits.
Yes, the CB2533T1204805 is UL Listed, and it carries NEMA ratings including 1, 3R, 4, and 12, which support operation in indoor, damp, wash-down, and outdoor conditions when installed in appropriate enclosures. Optional features such as ground fault relay and auxiliary contacts further enhance reliability in challenging environments.
Eaton provides a warranty aligned with policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This covers manufacturing defects and ensures support through authorized service channels. For extended service or replacement parts beyond the warranty window, contact Eaton for options and pricing.
Begin by ensuring proper de-energization and isolation of the panel. Verify the top-feed wiring, fusible protection configuration, and space for a three-pole, three-wire switch. Install the CB2533T1204805 with correct torque on lugs and ground conductors, connect the control circuit to 120 V, and test interlocks and protection functions in accordance with Eaton guidelines.