Eaton CB2033B120480A9 Pringle bolted pressure switch - UL Listed
Part Number: CB2033B120480A9
Quick Summary
Eaton CB2033B120480A9 bolted pressure contact switch provides high-current protection for heavy-duty switchgear and motor control centers. This solution tackles the challenge of reliably interrupting 2000A loads in 480V systems while minimizing nuisance trips. UL Listed safety certification and NEMA 1, 3R, 4, 12 compatibility reinforce installation compliance across industrial sites. With bottom feed, fusible protection, and optional ground fault relay, it enables straightforward wiring and scalable protection. For procurement teams, this device offers proven reliability, reduced maintenance, and a clear upgrade path within Eaton’s protection portfolio. Its robust construction supports long service intervals in harsh environments and helps meet uptime targets.
Product Information
Extended Description
CB2033B120480A9 Eaton: Eaton pringle bolted pressure contact switch,BFD with three on lights (trips switch),2000A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120480A9
UPC
782116958061
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
BFD with three normally on 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 - CB2033B120480A9
Feature: High current and voltage compatibility (2000A, 480V system) → Business Impact: Protects large feeders and motors with reliable fault interruption, reducing unplanned downtime and safeguarding equipment → Application: Heavy-duty switchgear, motor control centers, and bus distributions. Feature: Bottom feed and fusible configuration → Business Impact: Simplifies installation, minimizes panel routing, and lowers wiring errors → Application: Retrofit and new builds in constrained switchgear spaces. Feature: Three-pole, three-wire design with BFD indicator → Business Impact: Clear fault signaling reduces maintenance cycle time and speeds fault diagnosis → Application: Industrial power distribution cabinets and control panels. Feature: NEMA compatibility (1, 3R, 4, 12) and UL Listed → Business Impact: Broad enclosure compatibility and safety compliance across environments → Application: Harsh indoor/outdoor industrial settings. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Auxiliary Contact Provisions → Business Impact: Flexible protection schemes and future-proofing for evolving plant protection requirements → Application: Safety-critical circuits and scalable protection architectures. Feature: Robust, weighty construction and Eaton warranty → Business Impact: Lower total cost of ownership through durability and predictable service life → Application: Long-term investments in critical power distribution infrastructure.
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FAQs
For reliable installation, verify enclosure compatibility with NEMA ratings 1, 3R, 4, 12 and ensure bottom feed wiring aligns with the panel routing. Use the fusible configuration as specified and plan space for the three-pole arrangement. Confirm UL Listed compliance and maintain clear labeling for control voltage 120V alongside the 480V system voltage. Consider optional ground fault relay integration during retrofits to enhance safety.
The device supports up to 2000A and 480V system voltage, enabling reliable isolation of large feeders and motors. Its three-pole, three-wire design provides balanced, robust switching, while the charge-before-close mechanism improves operability under fault conditions. The UL Listed certification further ensures safety compliance in demanding industrial settings.
Industries such as metals processing, chemical plants, and large machine OEMs benefit from bottom feed for streamlined wiring and reduced clearance requirements in switchgear cabinets. The three-pole configuration supports three-phase protection for heavy electrical loads, while fusible protection enhances selective coordination and fault isolation within robust enclosures.
The CB2033B120480A9 is UL Listed and offers NEMA compatibility across ratings 1, 3R, 4, and 12, making it suitable for a wide range of indoor and outdoor installations. Optional features like ground fault relay and auxiliary contacts enable compliance with evolving plant protection standards and single-phase protections when required.
Schedule periodic inspections of the fusible protection path, verify wiring integrity in bottom-fed configurations, and maintain spare loaders for three-pole assemblies. The 190 lb weight and robust build support longer service intervals, while the availability of optional provisions reduces future retrofitting costs and extends protection coverage without complete subsystem replacement.