Eaton CB2533T120480G7 Bolted pressure contact switch - UL
Part Number: CB2533T120480G7
Quick Summary
Eaton CB2533T120480G7 bolted pressure contact switch delivers high-current protection for large switchgear and distribution panels. This design helps minimize downtime by providing reliable fault protection and dependable control power during startup. UL Listed certification supports safety compliance while the unit’s NEMA-compatible enclosure options (NEMA 1, 3R, 4, 12) enable installation across diverse indoor environments. With a 2500A rating at 480V system voltage and a 120V control circuit, it integrates smoothly with standard industrial control architectures. This combination delivers dependable protection, improved asset uptime, and a scalable solution that aligns with maintenance and procurement strategies in demanding facilities.
Product Information
Extended Description
CB2533T120480G7 Eaton: Eaton pringle bolted pressure contact switch,With control power transformer,2500A,2NO-2NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480G7
UPC
782116952267
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
2 NO-2 NC
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
With control power transformer
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533T120480G7
Feature → Business Impact → Application: High amperage rating of 2500A enables the switch to handle large fault currents without nuisance tripping, reducing unplanned downtime in heavy-load feeders and main switchgear. Application: suitable for distribution panels and plant feeders where reliability under fault conditions is critical. Feature → Business Impact → Application: 2 NO-2 NC contact configuration provides flexible signaling for alarms and interlocks, enabling coordinated protection schemes and safer startup sequences. Application: control circuits and safety interlock logic in industrial automation lines. Feature → Business Impact → Application: Top feed with fusible configuration simplifies wiring, shortens installation time, and enhances protection coordination in confined switchgear spaces. Application: retrofit and new-build switchgear installations with limited finger access. Feature → Business Impact → Application: Ground fault with control power transformer improves safety and ensures control power remain stable during fault events, reducing mis-trips and control loss. Application: critical process lines requiring continuous control during protection events. Feature → Business Impact → Application: System voltage of 480V with a 120V control circuit supports standard industrial power distribution, enabling straightforward integration with existing electrical infrastructure. Application: factories and processing facilities utilizing common low- and medium-voltage architectures. Feature → Business Impact → Application: UL Listed certification streamlines regulatory compliance and procurement, while optional Ground Fault Relay and auxiliary provisions expand protection options. Application: compliance-driven installations in regulated industries and scalable safety upgrades.
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FAQs
CB2533T120480G7 is designed for top-feed installation in three-pole switchgear with a 2NO-2NC configuration. It supports 480V system voltage and 120V control circuits, and the unit’s dimensions fit standard enclosures. Optional provisions (auxiliary contacts, single-phase protection, ground fault options) simplify retrofits and minimize wiring changes while preserving control power reliability.
The switch is rated for 2500A and 480V system voltage with 120V control. It offers fusible protection and NEMA-rated enclosure compatibility (NEMA 1, 3R, 4, 12). The ground fault with control power transformer enhances safety, and the three-pole design with 2NO-2NC contacts supports coordinated shutdowns and status signaling in complex systems.
Yes. The CB2533T120480G7 is intended for high-demand environments, including large switchgear and distribution panels. Its UL Listed status, rugged NEMA compatibility, and heavy-current capability make it appropriate for manufacturing lines, processing facilities, and other industrial processes requiring dependable protection and long service life.
This Eaton switch carries UL Listed certification, confirming safety compliance for industrial electrical equipment. It is rated for multiple NEMA configurations (1, 3R, 4, 12) to withstand indoor and harsh environments. Optional features like Ground Fault Relay expand protective coverage and support broader regulatory requirements.
Warranty for this unit follows Eaton policy 25-000, offering one year from installation or eighteen months from shipment, whichever comes first. Regular maintenance should focus on contact inspection, fuse condition, and transformer health. The device’s robust construction and compatibility with existing Eaton switching devices contribute to lower downtime and longer asset life.