Eaton CB2033B120480KPC Pringle bolted pressure contact switch - UL Listed
Part Number: CB2033B120480KPC
Quick Summary
Eaton CB2033B120480KPC bolted pressure contact switch is designed for robust single-phase protection in large motor control and power-distribution panels. Many engineers struggle with reliable trip reliability and timely fault detection in bottom-feed, three-pole configurations, especially where space and maintenance impact are critical. Certifications and safety ratings include UL Listed and compatible NEMA configurations (NEMA 1, 3R, 4, 12), supporting safe operation in harsh industrial environments. This solution also aligns with industrial control needs, offering clear integration with interlock systems and capacitor-trip devices, while delivering dependable protection within modern control architectures and OEM panel builds.
Product Information
Extended Description
CB2033B120480KPC Eaton: Eaton pringle bolted pressure contact switch,Interlock, single-phase relay with capacitor trip device (Taylor),2000A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120480KPC
UPC
782116957682
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
190 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
Bottom
Fuse configuration
Bottom 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
2000A
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
Interlock, single-phase voltage relay with capacitor trip device (Taylor)
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - CB2033B120480KPC
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The pringle bolted pressure contact switch provides high-current switching with a 2000A amperage rating, enabling reliable motor protection and reduced downtime in heavy equipment applications. This translates to improved equipment uptime and safer shutdown sequences in main distribution panels and motor control centers. Application: use in industrial plants with high-load machinery and where bottom-feed fuse configurations are preferred for compact, protected installations. Feature → Business Impact → Application: The capacitor trip device (Taylor) adds fast, predictable interruption during fault conditions, reducing fault duration and electrical stress on downstream components. Application: essential for systems requiring quick trip coordination and reduced arc energy in high-current circuits. Feature → Business Impact → Application: Interlock and auxiliary contact provisions enhance safety interlocking and control logic, enabling safe maintenance practices and easier integration with PLCs and safety relays. Application: suitable for multi-access panels and applications needing enhanced operator safety. Feature → Business Impact → Application: Optional Ground Fault Relay and Blown Fuse Detection support proactive protection and diagnostic insights, lowering service calls and improving preventive maintenance programs. Application: recommended for critical processes in food & beverage, chemical, and manufacturing environments where uptime and fault visibility matter. Feature → Business Impact → Application: Three-pole, bottom-feed configuration with Fusible protection provides a compact footprint and straightforward installation in constrained spaces. Application: ideal for compact switchgear, low-profile panel boards, and retrofit projects where space is at a premium.
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FAQs
When wiring CB2033B120480KPC in bottom-feed configurations, ensure correct fuse wiring and terminal torque per Eaton guidelines. Use three-pole termination with three wires and verify compatibility with optional auxiliary and ground fault provisions. Plan for space to accommodate the interlock mechanism and capacitor trip device while maintaining clearances for safe maintenance.
Key specs include 2000A amperage rating, 120V control voltage, and 480V system voltage across three poles. Use fusible protection and ensure NEMA-rated enclosure compatibility (NEMA 1, 3R, 4, 12). Design protection to coordinate with upstream breakers and include the capacitor trip device for rapid fault clearance in high-current circuits.
Yes. Optional Ground Fault Relay, Blown Fuse Detection, Kirk provisions, and auxiliary contact provisions are available. These enhancements improve fault detection, interlocking capability, and control-system integration, making it easier to meet safety standards and maintenance requirements in complex control panels.
The CB2033B120480KPC is UL Listed, ensuring compliance with recognized safety standards. It supports NEMA-rated enclosures (NEMA 1, 3R, 4, 12), enabling safe operation in diverse industrial environments and aiding OEMs in meeting enclosure and protection requirements.
The device's robust construction and interlock/capacitor-trip features reduce nuisance trips and downtime, improving system availability. The optional fault-detection accessories simplify maintenance planning and diagnostics, while the one-year Eaton warranty provides assurance during early operation and commissioning phases, contributing to lower total cost of ownership.