Eaton CB2533B120480E Bolted Pressure Switch - UL Listed
Part Number: CB2533B120480E
Quick Summary
Eaton CB2533B120480E bolted pressure contact switch is designed to rapidly interrupt fault currents in large industrial switchgear. This robust, fusible device helps reduce downtime by providing reliable protection with a bottom-feed configuration and built-in protection features. The unit includes a control power transformer and an arc energy reduction relay with matched current transformers to enhance safety and coordination. While UL Listed, current specifications reflect standard industry practice for high-current protection in harsh environments; other certifications such as SIL, CE, or IP ratings are not listed here. This combination of safety, reliability, and compatibility supports your high-demand power distribution and motor-control applications while simplifying integration with existing CTs and protection schemes.
Product Information
Extended Description
CB2533B120480E Eaton: Eaton pringle bolted pressure contact switch, With control power transformer,2500A,120V,Bottom feed,480V,Three-pole,Three-wire,Fusible. Includes Arc Energy Reduction Relay and matched CT's.
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120480E
UPC
786689526467
Product Length/Depth
17 in
Product Height
28 in
Product Width
28 in
Product Weight
215 lb
Certifications
UL Listed
Feed type
Bottom
Number Of Poles
Three-pole
Number of wires
Three-wire
Type
Contact Switch
Amperage Rating
2500A
Control voltage
120 V
Protection
FUSIBLE
Voltage rating
480 V
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533B120480E
Feature → Business Impact → Application: The CB2533B120480E delivers 2500A protection with a 120V control voltage and a 480V rating, enabling immediate fault clearance while keeping control circuitry within safe voltage levels; business impact includes reduced downtime and improved personnel safety in heavy-industrial switchgear environments; application includes power distribution panels and motor control centers requiring rapid, high-current disconnection. Feature → Business Impact → Application: Bottom feed and three-pole, three-wire construction simplify wiring and installation, reducing cabling errors and installation time; practical outcome is faster commissioning and easier field service in complex switchgear. Feature → Business Impact → Application: Fusible protection paired with an Arc Energy Reduction Relay minimizes arc energy during faults, lowering collateral damage risk and extending equipment life; ideal for upgrading legacy gear in energy-intensive facilities. Feature → Business Impact → Application: Included matched CTs ensure accurate protection coordination and relaying compatibility, decreasing nuisance trips and improving system stability across multiple feeders in large facilities. Feature → Business Impact → Application: UL Listed certification and robust Eaton engineering support provide compliance confidence and easier procurement, supporting long-term maintenance planning and ROI justification in manufacturing environments.
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FAQs
CB2533B120480E is designed for bottom-feed wiring with three-pole, three-wire configuration and fusible protection. It ships with matched current transformers and an integrated control power transformer, simplifying field wiring and ensuring proper coordination with protection relays. Ensure your panel supports a 480V system and accounts for space for the unit’s 17 by 28 by 28 inch footprint; verify clearance for safe operation and arc energy reduction features.
The switch is rated for 2500A amperage, with a 120V control voltage and a 480V system rating. Its fusible design supports fast fault interruption, while the arc energy reduction relay mitigates arc energy during faults. The unit is designed for three-pole, three-wire configurations and includes matched CTs to ensure accurate protection signaling in coordinating relays.
This model excels in motor control centers, large power distribution panels, and heavy-duty switchgear where high-current protection is essential. Its bottom-feed arrangement and three-pole design enable compact integration in existing gear, while arc energy reduction and matched CTs improve safety and protection coordination for demanding manufacturing and processing environments.
CB2533B120480E is UL Listed, providing recognized safety compliance for industrial electrical assemblies. While the provided data does not specify CE, IP, or SIL ratings, UL Listing supports regulatory acceptance in many regions and helps streamline procurement and maintenance planning for safety-critical systems.
The integrated Arc Energy Reduction Relay and matched CTs simplify protection coordination, reducing nuisance trips and maintenance calls. With its durable fusible design and Eaton’s engineering support, you can expect longer intervals between service interventions, lower downtime, and a favorable ROI through improved reliability and safer operation in high-current applications.