Eaton CB2533T120208R Pringle bolted pressure contact switch - UL Listed
Part Number: CB2533T120208R
Quick Summary
Eaton pringle bolted pressure contact switch protects industrial control circuits by delivering a capacitor-assisted trip in demanding environments. Engineers struggle with nuisance trips and downtime when protection devices are mis-sized or poorly specified. UL Listed and designed for NEMA 1, 3R, 4, and 12 enclosures, this device aligns with safety and installation standards. UL-listed compliance plus robust top-feed, 208 V operation supports reliable, cost-efficient protection in critical automation applications. This model also offers optional ground fault relay, blown fuse detection, and auxiliary contact provisions to tailor protection to specific equipment and safety requirements. Its three-pole, three-wire design with top feed simplifies installation in space-constrained panels while supporting future upgrades.
Product Information
Extended Description
CB2533T120208R Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capactior trip device (SPVR),2500A,120V,Top feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120208R
UPC
782116952557
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
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
208 V
Voltage - max
208 V
Voltage rating
208 V
Special features
Single-phase voltage relay with capactior trip device (SPVR)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB2533T120208R
Feature → The CB2533T120208R uses a capacitor trip device (SPVR) and an electrical trip mechanism to provide fast, controlled isolation of single-phase circuits. Business Impact → Reduces nuisance trips, minimizes downtime, and improves overall panel reliability, especially in motor-start applications, resulting in lower maintenance costs and safer startup sequences. Application → Suitable for industrial control panels requiring dependable protection for 208 V systems with capacitive trip characteristics. Feature → Top feed fuse configuration and three-pole design deliver robust protection with straightforward wiring. Business Impact → Simplifies installation, reduces wiring errors, and supports clean, serviceable panel layouts in retrofit and new builds. Application → Ideal for top-feed, fusible configurations in large machines and process lines where space and accessibility matter.Feature → UL Listed certification and broad NEMA ratings (1, 3R, 4, 12) provide compliance across multiple enclosures and environments. Business Impact → Facilitates regulatory adherence and safer inventory management for maintenance teams while enabling faster QA sign-offs. Application → Common in food & beverage, chemical processing, and general manufacturing where enclosure versatility is needed.Feature → Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contacts enable tailored protection. Business Impact → Improves fault diagnosis, reduces unplanned outages, and supports advanced interlocking and signaling in automated lines. Application → Critical for safety interlocks and remote monitoring in complex control systems.Feature → Heavy-duty build with three-pole, top-feed design, 17 in depth and 28 in width/height, supports durable installations in busy panels. Business Impact → Handles high-current demands (up to 2500 A) with predictable performance, lowering replacement frequency and downtime. Application → Fits large industrial panels and controller enclosures requiring robust protection hardware.
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FAQs
CB2533T120208R is a three-pole, three-wire switch designed for 208 V systems with a 120 V control circuit. It uses a top-feed, fusible configuration and is suitable for single-phase protection in industrial control panels. This makes it compatible with standard 208 V electrical distributions in factory environments.
The SPVR capacitor trip device provides a capacitor-assisted trip, enabling rapid and reliable isolation of single-phase circuits. When a protection event is detected, the capacitor discharge helps drive the trip mechanism quickly, reducing arc energy and downtime while maintaining selectivity with the three-pole configuration.
Yes. The device is UL Listed and rated for several NEMA enclosures, including NEMA 1, 3R, 4, and 12. This makes it suitable for a wide range of industrial settings—from clean rooms to harsher manufacturing floors—providing compliance and safer installations.
Optional accessories include Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions. These options enhance fault detection, improve diagnostic capabilities, and enable signaling or interlocking for more complex automation systems, helping to reduce unplanned outages and support regulatory compliance.
The product falls under Eaton’s policy 25-000, offering a one-year warranty from installation or eighteen months from shipment, whichever occurs first. This coverage supports maintenance planning and provides assurance for reliability, with access to Eaton support and documentation as needed.