Eaton CB3033T120480 Bolted Pressure Switch - UL Listed
Part Number: CB3033T120480
Quick Summary
CB3033T120480 is an electrical trip switch that provides high-current protection for industrial switchgear and motor control centers. Engineers often face nuisance trips and slow fault isolation when large, three-pole protective devices are mismatched to system voltage. UL Listed certification supports safety compliance, while the device’s NEMA 1, 3R, 4, and 12 ratings extend protection across indoor enclosures and harsher environments. Designed for 480 V systems with a 3000 A amperage rating and 120 V control voltage, this solution delivers robust protection while enabling straightforward integration with existing top-feed wiring and fused configurations, helping reduce downtime and maintenance costs.
Product Information
Extended Description
CB3033T120480 Eaton: Eaton pringle bolted pressure contact switch,3000A,120V,Top feed,No ground fault,Three-pole,480V,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033T120480
UPC
782116899333
Product Length/Depth
22.5 in
Product Height
28 in
Product Width
40 in
Product Weight
390 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
Top
Fuse configuration
Top 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
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
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB3033T120480
Feature: 3000 A amperage rating enables safe switching for large motors and feeders. Business Impact: reduces wiring complexity and improves fault isolation in high-demand applications. Application: motor control centers and distribution panels in heavy-industrial environments. Feature: 120 V control voltage simplifies integration with automation circuitry and protection schemes. Business Impact: accelerates commissioning and enhances control reliability. Application: control circuits in centralized protection schemes for 480 V networks. Feature: 480 V system voltage compatibility ensures broad plant applicability. Business Impact: expands deployment across multiple processes without custom solutions. Application: switchgear and large feeder assemblies in manufacturing plants. Feature: Top feed with fusible protection and three-pole design improves enclosure safety. Business Impact: minimizes arc exposure and simplifies installation in compact spaces. Application: rugged outdoor or indoor enclosures requiring reliable phase protection. Feature: Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary/ Kirk provisions. Business Impact: improves fault diagnosis, reduces downtime, and supports advanced interlocking. Application: safety-critical lines and systems with remote monitoring needs. Feature: UL Listed with broad NEMA ratings (1, 3R, 4, 12). Business Impact: ensures regulatory compliance and durable performance in varied environments. Application: official plant safety programs and industrial code adherence.
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FAQs
CB3033T120480 weighs about 390 lb and measures 22.5 in (L) by 28 in (H) by 40 in (W), requiring proper rigging and mounting in a secure enclosure. It features top feed and three-wire configuration for straightforward integration with standard switchgear footprints and existing fused circuits. Plan for adequate clearance and lifting capabilities during installation.
Key specs include a 3000 A amperage rating, 120 V control voltage, and 480 V system voltage with a fusible protection scheme. The device is three-pole with three wires, designed for NEMA 1, 3R, 4, and 12 enclosures, and is UL Listed. This combination supports high-current protection in demanding industrial environments.
Yes. The 3000 A rating and three-pole design are ideal for motor control centers and large feeders. Its top-feed/fuse configuration simplifies wiring, while the charge-before-close mechanism provides controlled switching. For best results, pair with compatible enclosure ratings and consider optional features like blown fuse detection for rapid fault diagnosis.
CB3033T120480 carries UL Listed certification, ensuring adherence to recognized safety standards. It also supports multiple NEMA ratings (1, 3R, 4, 12), indicating suitability for various indoor and outdoor environments. These certifications help streamline plant safety audits and meet common industrial codes during procurement and installation.
Maintenance is simplified by fusible protection and optional features such as ground fault relay, blown fuse detection, and auxiliary provisions, which aid rapid fault identification and reduce unplanned downtime. The robust 3000 A rating and UL/NEMA compliance contribute to longer service life and lower lifecycle costs, delivering measurable ROI through improved reliability and reduced maintenance intervals.