Eaton CB3033B120480GA Pringle bolted switch - UL Listed
Part Number: CB3033B120480GA
Quick Summary
Eaton CB3033B120480GA pringle bolted pressure contact switch is a high-capacity protective device for industrial switchgear applications. Many users struggle with unreliable protection and trip delays that disrupt production, especially in high-current, 480 V environments. UL Listed certification and robust NEMA ratings for indoor and outdoor service help meet safety programs, maintenance plans, and operator expectations. Beyond protection, options for ground fault, blown fuse detection, auxiliary contacts, and Kirk provisions enable configurable protection without multiple devices. In practice, engineers gain reliable protection, faster fault isolation, and reduced downtime, translating to lower total cost of ownership in power-distribution systems.
Product Information
Extended Description
CB3033B120480GA Eaton: Eaton pringle bolted pressure contact switch,BFD with three on lights (does not trip),3000A,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033B120480GA
UPC
782116951703
Product Length/Depth
22.5 in
Product Height
32 in
Product Width
40 in
Product Weight
430 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
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
3000A
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 (does not trip)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB3033B120480GA
Feature: Amperage rating of 3000A enables direct protection of high-current feeders without paralleling devices. This reduces equipment footprint, simplifies maintenance planning, and speeds fault clearance in mission-critical lines. In practice, it supports heavy equipment and large motors common in metal fabrication, mining, and process facilities. Feature: System voltage of 480V with a 120V control circuit provides cohesive protection for three-phase power. The arrangement minimizes wiring complexity and inventory needs by aligning control and power inside a single device. Engineers experience faster commissioning and fewer field modification surprises. Feature: Bottom feed fuse configuration and three-pole construction simplify installation in existing switchgear enclosures. Bottom-feed design reduces conduit runs and helps maintain clean, organized terminations. Ground fault options and a control power transformer enable selective protection and improved fault tracing. Feature: UL Listed certification and NEMA ratings of 1, 3R, 4, and 12 ensure reliability across indoor and outdoor environments. These standards support regulatory compliance, maintenance planning, and predictable performance under dust, moisture, or vibration. The fusible protection type offers standard overcurrent protection compatible with typical distribution panels. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, and auxiliary provisions increase configurability. Engineers can tailor protection schemes to critical loads, reducing nuisance trips and extending equipment life. Kirk Provisions and Auxiliary Contacts simplify interlocking with existing systems. Feature: The enclosure footprint is 22.5 in deep, 32 in high, and 40 in wide, weighing 430 lb. This size supports secure mounting, clearance for wiring, and straightforward installation. Warranty follows Eaton policy: one year from installation or eighteen months from shipment, whichever comes first.
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FAQs
Installation requires matching the bottom-feed configuration with the switchgear enclosure and confirming three-pole, 480V feeders and 120V control circuits. Verify fuse configuration is bottom-feed and that the ground fault or auxiliary provisions align with your control interlocks. Ensure the enclosure space accommodates 22.5 in depth, 32 in height, 40 in width, and a 430 lb weight for safe handling. Use standard field wiring practices and follow Eaton’s installation notes to minimize commissioning time.
The device provides 3000A amperage protection with a 480V system voltage and a 120V control circuit. It is a three-pole, three-wire configuration with fusible protection. It is suitable for large motor feeders and heavy-duty distribution panels in three-phase, 480V networks, and supports ground fault relay options for enhanced safety. The product is UL Listed and rated across NEMA 1, 3R, 4, and 12 environments.
Yes. It carries UL Listed certification and NEMA ratings for indoor and outdoor service, including NEMA 1, 3R, 4, and 12. These certifications support regulatory compliance, safe operation under dust, moisture, and vibration, and maintenance planning. The fusible protection type provides standard overcurrent protection compatible with common distribution panels in demanding industrial facilities.
Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions let you tailor protection to critical loads. This configurability reduces nuisance trips, minimizes unplanned downtime, and extends equipment life, delivering a lower total cost of ownership. The alignment with UL and NEMA standards also supports quicker regulatory audits and maintenance planning.
Warranty follows Eaton’s policy: one year from date of installation or eighteen months from shipment, whichever occurs first. Eaton provides documentation and service resources to support commissioning, preventive maintenance, and spare parts planning, helping maintenance teams secure long-term reliability for power distribution systems.