Eaton CB2533T120480GR Valves & Flow Control - UL Listed
Part Number: CB2533T120480GR
Quick Summary
Eaton CB2533T120480GR pressure contact switch protects large motors in industrial control panels. This single-phase relay with capacitor trip device (SPVR) helps prevent nuisance trips that disrupt production and compromise safety. UL Listed certification ensures rigorous safety compliance, and the unit offers NEMA ratings for rugged enclosures in demanding environments. The combination of a three-pole, top-feed design with a 2500A rating and 120 V control voltage supports reliable, scalable motor protection across 480 V systems. For panel builders and maintenance teams, this switch provides straightforward installation, consistent performance, and improved uptime in mid- to high-current applications.
Product Information
Extended Description
CB2533T120480GR Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR),2500A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480GR
UPC
782116899210
Product Length/Depth
17 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
Ground fault with control power transformer
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
Special features
Single-phase voltage relay with capacitor trip device (SPVR)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533T120480GR
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: 2500A amperage rating enables handling heavy motor loads without cascading devices, reducing component count and installation time while improving overall system reliability for large drives and conveyors. Application: high-current motor protection in manufacturing lines and processing plants. Feature → Business Impact → Application: Three-pole, three-wire configuration simplifies wiring and reduces wiring errors, accelerating panel assembly and maintenance. Application: switchgear and control panels with top feed configuration. Feature → Business Impact → Application: Capacitor trip device (SPVR) delivers fast, reliable trip performance and charge-before-close logic, minimizing fault duration and protecting downstream equipment. Application: single-phase protection in critical motor circuits. Feature → Business Impact → Application: UL Listed safety certification and NEMA 1, 3R, 4, 12 compatibility, ensuring compliance and enclosure integrity across diverse environments. Application: industrial facilities requiring rugged protection and regulatory alignment. Feature → Business Impact → Application: Ground fault protection options and auxiliary provisions improve diagnostics and fault reporting, enabling proactive maintenance. Application: integrated protection in high-availability systems. Feature → Business Impact → Application: Top feed fuse configuration and optional enhancements support flexible installation and future-proofing. Application: retrofit projects and new builds. These features collectively reduce downtime, lower maintenance costs, and streamline procurement for panel builders and OEMs in automotive, water treatment, and packaging industries.
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FAQs
CB2533T120480GR uses a top-feed fuse configuration and a three-pole, three-wire setup, which simplifies wiring and reduces potential misconnections. Ensure compatibility with 480 V systems, confirm enclosure ratings (NEMA 1, 3R, 4, 12), and verify the control voltage is 120 V to match your control circuitry.
The switch is rated for 2500A with 120 V control voltage and 480 V system voltage. It employs fusible protection and a single-phase SPVR (capacitor trip device) to provide a reliable trip mechanism. It is UL Listed and supports three-pole operation for robust motor protection in panel assemblies.
Yes. With a 2500A amperage rating and a three-pole configuration, the device is designed for high-current motor protection. The capacitor trip device (SPVR) enhances trip speed and reliability, while top-feed architecture simplifies integration in standard switchgear and control panels.
The CB2533T120480GR is UL Listed, ensuring safety compliance. It also carries NEMA ratings for enclosure compatibility, including NEMA 1, 3R, 4, and 12, which guides appropriate installation environments and protection levels for rugged industrial settings.
By consolidating protection in a single high-current device with SPVR, you reduce spare parts, simplify wiring, and lower downtime due to nuisance trips. UL listing and robust NEMA compatibility also minimize retrofit costs and support longer panel life, delivering tangible lifecycle cost savings for OEMs and maintenance teams.