Eaton CB2033B120480K5 Pringle bolted switch - UL Listed
Part Number: CB2033B120480K5
Quick Summary
Eaton CB2033B120480K5 is a bolted pressure contact switch for high-current motor control. Engineers often face the challenge of sourcing a reliable, space-efficient protection device that can handle heavy loads while meeting strict safety standards.UL Listed, wide NEMA compatibility (1, 3R, 4, 12), and fusible protection provide essential safeguards for mission-critical processes in demanding environments.This design supports scalable, code-compliant installations with low maintenance requirements, delivering predictable trip behavior and reduced downtime in modern switchgear and control panels. Its bottom-feed configuration and robust construction aid quick wiring and servicing, while the 1NO-1NC arrangement supports common motor-control schemes. For procurement teams, Eaton’s warranty policy and optional features streamline sourcing across multiple sites and applications.
Product Information
Extended Description
CB2033B120480K5 Eaton: Eaton pringle bolted pressure contact switch,Interlock,2000A,1NO-1NC,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120480K5
UPC
782116957743
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.
Contact configuration
1 NO-1 NC
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
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2033B120480K5
Feature: 2000A amperage rating with 480V system voltage. Business Impact: Enables direct high-current motor control without needing external step-down or soft-start devices, reducing panel complexity and wiring costs. Application: Large motors and conveyors in manufacturing lines where peak demand is high and reliability is critical. Feature: 1NO-1NC contact configuration in a three-pole assembly. Business Impact: Simplifies interlocking, control logic, and safety sequencing, cutting commissioning time and potential wiring errors. Application: Motor starters and power distribution panels requiring clear on/off and safety interlock behavior. Feature: Bottom feed with fusible protection and ground fault options. Business Impact: Facilitates neat, safe wiring in compact enclosures while providing protective redundancy against fault conditions, lowering maintenance interventions. Application: Enclosed switchgear in tight panels and retrofit projects with space constraints. Feature: Broad NEMA compatibility and UL Listed certification. Business Impact: Ensures compliance with industrial codes and protection against environmental exposure, reducing regulatory risk and field rework. Application: Harsh industrial environments, food and beverage, process, and material handling facilities. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, and Auxiliary Contact Provisions. Business Impact: Enables enhanced fault detection, safer startups, and scalable control architecture without replacing the core switch. Application: Safety interlocks, remote monitoring schemes, and customized protection schemes in complex lines. Feature: Rugged enclosure dimensions and weight support durable, long-term service in switchgear centers. Business Impact: Minimizes maintenance frequency and accelerates installation with predictable fit and form in existing cabinets. Application: Large-scale plant retrofits and new builds requiring dependable, high-capacity protection.
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FAQs
The CB2033B120480K5 features a bottom-feed configuration with a three-pole, 1NO-1NC contact arrangement for three wires. Its 16 x 32 x 24 inch enclosure and 190 lb weight support rugged mounting in switchgear. Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contacts can be added to tailor protection and interlock schemes for your panel layout.
This unit offers a 2000A amperage rating, 480V system voltage, 120V control voltage, and a 480V maximum voltage rating. It uses fusible protection and supports NEMA ratings 1, 3R, 4, and 12, delivering robust protection for high-current motor loads in industrial environments.
Yes. The combination of UL Listing, NEMA compatibility (1, 3R, 4, 12), and a durable bottom-feed, three-pole design makes it well-suited for harsh environments, heavy-duty conveyors, and process lines. The 1NO-1NC configuration enables reliable interlocking and safe energization in motor control centers.
The switch is UL Listed, with optional features including Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. These options support enhanced safety interlocks, fault detection, and customized protection configurations to meet regulatory and site-specific requirements.
Eaton provides a warranty policy referenced as 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. Regular inspections of the fusible protection path and interlock components are recommended. The unit’s rugged construction, UL certification, and optional safety features contribute to lower downtime and predictable maintenance costs over the equipment’s lifecycle.