Eaton CB2533T120208GAX Bolted Pressure Contact Switch - UL Listed
Part Number: CB2533T120208GAX
Quick Summary
Eaton pringle bolted pressure contact switch protects industrial power distribution by delivering rapid, reliable switching in control panels. Operators often struggle with nuisance trips and downtime when protection can’t keep pace with startup schedules or voltage fluctuations. This UL Listed device also aligns with key enclosure ratings (NEMA 1, 3R, 4, 12) and offers optional ground fault and auxiliary provisions, enhancing safety and fault detection. Designed for low-voltage switchgear environments, it pairs a 2500A amperage rating with 208V system voltage and 120V control power, delivering robust protection and streamlined maintenance for modern facilities.
Product Information
Extended Description
CB2533T120208GAX Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),2500A,120V,Top feed,Ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120208GAX
UPC
782116952328
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.
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
208 V
Voltage - max
208 V
Voltage rating
208 V
Special features
BFD with no lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533T120208GAX
The CB2533T120208GAX delivers a high-current, top-feed protection solution with a three-pole, fusible design. This configuration reduces arc exposure and enables precise protection coordination in large feeders, which translates to fewer unexpected outages and lower maintenance costs in manufacturing and processing facilities. The product’s ground fault with a control power transformer option improves personnel safety and fault visibility, while the ability to add auxiliary contacts supports expanded interlocking and sequencing in complex control schemes. Compatibility with various enclosure types (NEMA 1, 3R, 4, 12) and a top-feed fuse arrangement simplifies installation in existing switchgear, reducing retrofit time and risk. The 208V system voltage and 120V control voltage streamline integration with typical plant electrical architectures, enabling faster commissioning and predictable performance. Optional features noted in the catalog—such as ground fault relay, blown fuse detection, and auxiliary contacts—address common reliability and safety challenges faced by engineers in industrial environments.
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FAQs
For top-feed installations, ensure the fuse configuration matches the feeder rating and that mounting hardware supports the 205+ pound weight. Verify enclosure compatibility with NEMA 1, 3R, 4, and 12, and plan for proper cable routing to minimize voltage drop. Use the control voltage of 120 V to wire the control and signaling circuits as per the Eaton catalog notes.
The three-pole design provides balanced current interruption and avoids neutral imbalances, which improves protection coordination in 208V systems. Fusible protection helps contain fault energy, reducing arcing and equipment damage. This arrangement is especially beneficial for large feeders in switchgear, enabling reliable shutdown during faults and smoother reset sequences afterward.
UL Listed certification demonstrates safety compliance for electrical equipment, which is often a baseline requirement in many facilities. Depending on your industry, additional standards such as CE marking for European operations or SIL ratings for critical safety applications may be pursued. Always align with local codes, customer requirements, and plant safety programs when selecting protection devices.
Yes. Catalog notes indicate optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions are available. These options enhance fault detection, selectivity, and interlock capabilities, enabling safer start-up sequences and expanded control logic in complex control panels.
Deploying the CB2533T120208GAX can reduce downtime by improving fault detection, preventing cascading failures in high-current feeders, and lowering maintenance costs due to its robust fusible protection and optional ground fault features. With a 2500A rating and 208V system compatibility, facilities can achieve longer mean-time-between-repairs (MTBF) in critical feeders, accelerating project timelines and delivering lower total cost of ownership.