Eaton CB2033B120480G5 Pressure Switch - UL Listed
Part Number: CB2033B120480G5
Quick Summary
Eaton CB2033B120480G5 pressure switch provides high-capacity control for industrial power distribution. This solution helps prevent nuisance trips and simplifies protection in challenging motor-control environments. UL Listed certification reinforces safety and reliability, while NEMA ratings 1, 3R, 4, 12 support rugged enclosure compatibility. With a control power transformer and optional guard features, it reduces component count and installation time, delivering measurable uptime and cost savings for your facility.
Product Information
Extended Description
CB2033B120480G5 Eaton: Eaton pringle bolted pressure contact switch,With control power transformer,2000A,1NO-1NC,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120480G5
UPC
782116957903
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
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
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
With control power transformer
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2033B120480G5
Feature: High amperage, three-pole configuration. Business Impact: Supports 2000A service while reducing panel footprint and wiring complexity. Application: Large motor feeders and switchgear. Feature: 1NO-1NC contacts. Business Impact: Simplified interlocking and reliable signaling in safety circuits. Application: Machine control deployments. Feature: Integrated control power transformer. Business Impact: Fewer external components, cleaner installations, more stable control power. Application: Control circuits for automatic startup. Feature: Bottom feed, fusible protection. Business Impact: Easier integration into existing enclosures with compliant overcurrent protection. Application: Heavy-duty control panels. Feature: Optional ground fault relay and auxiliary provisions. Business Impact: Configurable protection schemes for critical loads with reduced maintenance. Application: Power distribution with enhanced safety and diagnostics.
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FAQs
For retrofit or new builds, plan bottom-feed, three-wire connections to the three poles, and connect 480V feeders to the main lines with the 120V control circuit powered by the built-in control transformer. Ensure proper grounding and referenced neutral where required. The UL Listed unit fits standard switchgear footprints and supports optional ground fault and auxiliary contact provisions.
The CB2033B120480G5 is rated for 2000A with a 1NO-1NC contact configuration across three poles. This arrangement supports reliable switching, improved safety interlocks, and straightforward wiring for control circuits in large distribution panels.
Yes. With three-pole, bottom-feed design and rugged NEMA protection up to 12, the device is well-suited for MCCs and large switchgear. The fused protection and control power transformer simplify integration, reducing panel space and installation time while meeting common industrial protection standards.
This Eaton switch carries UL Listed certification and supports multiple enclosure protections (NEMA 1, 3R, 4, 12), making it suitable for indoor and harsh environments. Optional features like ground fault protection and auxiliary contacts enhance compliance with electrical safety codes.
Integrating a control power transformer and optional protection modules reduces external components and maintenance points. Fewer wiring connections mean quicker installation, lower labor costs, and improved uptime, delivering a favorable return on investment in facilities with high motor loads and frequent protection checks.