Eaton CB3033B120480GRA9 bolted pressure switch - UL Listed
Part Number: CB3033B120480GRA9
Quick Summary
The Eaton CB3033B120480GRA9 bolted pressure switch provides high-capacity protection for industrial power distribution. This solution addresses nuisance trips and unreliable protection in demanding environments by combining a capacitor trip device with a reliable ground-fault option. It carries UL Listed certification and offers robust enclosure compatibility through its multi-NEMA ratings, supporting installation in a variety of industrial settings. Designed for heavy-duty control in MCCs and switchgear, this model delivers dependable performance with a compact footprint relative to its protection level, while aligning with modern maintenance practices and lifecycle cost considerations.
Product Information
Extended Description
CB3033B120480GRA9 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three on lights (trips switch),3000A,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033B120480GRA9
UPC
782116951628
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
Single-phase voltage relay with capacitor trip device (SPVR), BFD with three normally on lights (trips switch)
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 - CB3033B120480GRA9
Feature: High amperage rating of 3000A supports large motor and load protection. Impact: Enables safe, reliable protection for high-current feeders, reducing fuse replacements and downtime. Application: Heavy-duty motor control centers and feeder sections in industrial plants. Feature: Three-pole, three-wire configuration with bottom feed and fusible protection. Impact: Simplifies wiring, improves fault isolation, and minimizes wiring errors during installation. Application: 480V distribution panels and switchgear where space is constrained. Feature: SPVR capacitor trip device with ground fault and three on-lights feedback. Impact: Improves selectivity and visibility of tripping events, reducing nuisance trips and speeding fault diagnosis. Application: Power distribution that requires clear trip indicators and quick reset. Feature: Ground fault with control power transformer. Impact: Enhanced personnel safety through improved fault detection and reliable control power. Application: Systems with shared control circuits and protective relays. Feature: UL Listed with available optional Ground Fault Relay and auxiliary provisions. Impact: Compliance assurance and expandable protection options for evolving safety standards. Application: Regulated environments and growing automation facilities that require scalable protection. Feature: NEMA 1, 3R, 4, 12 enclosure compatibility. Impact: Broad environmental suitability, simplifying enclosure selection and installation. Application: Harsh industrial environments including washdown and outdoor installations.
Get a Quick Quote for a Eaton CB3033B120480GRA9
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton CB3033B120480GRA9?
Enquire Now
FAQs
CB3033B120480GRA9 is designed for bottom feed and fusible configurations, with three-pole, three-wire construction. Its enclosure compatibility spans common industrial enclosures rated for NEMA 1, 3R, 4, and 12, enabling straightforward mounting in motor control centers and switchgear without extensive rewiring.
This model carries a 3000A amperage rating, system voltage of 480V, and a 120V control voltage. It uses fusible protection and includes a single-phase voltage relay with capacitor trip device (SPVR), along with ground fault protection options for enhanced safety and reliability in high-current environments.
Yes. With three-pole operation, bottom feed, and 480V system compatibility, this unit is well suited for motor control centers and switchgear where robust protection, clear trip indication (three on-lights), and reliable fault handling are required.
The product is UL Listed, providing recognized safety compliance for electrical equipment. The accessory notes indicate compatibility with standard enclosures and protection options, helping meet regulatory requirements in industrial facilities.
Key benefits include reduced nuisance trips due to SPVR with capacitor trip device, improved fault visibility via BFD indicators, and optional ground fault relay for enhanced protection. These translate into lower maintenance costs, reduced downtime, and longer service life for switchgear assemblies.