Eaton CB4033B120480RA9 Pringle bolted pressure contact switch - UL Listed
Part Number: CB4033B120480RA9
Quick Summary
The Eaton pringle bolted pressure contact switch provides high-capacity electrical protection for industrial control panels and power systems. Engineers often struggle with reliable tripping, downtime, and fuse management in space-constrained switchgear environments. Key certifications and ratings include UL Listed and broad NEMA protection ratings (NEMA 1, NEMA 3R, NEMA 4, NEMA 12) that support installation in harsh environments. Designed for industrial automation and power distribution, this solution helps reduce downtime and simplify compliance across panels, enclosures, and MCCs.
Product Information
Extended Description
CB4033B120480RA9 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three on lights (trips switch),4000A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033B120480RA9
UPC
782116950737
Product Length/Depth
17 in
Product Height
32 in
Product Width
40 in
Product Weight
415 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
4000A
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 - CB4033B120480RA9
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: High amperage rating of 4000A enables protection against large fault currents. Business impact: Improves system reliability, reduces bus fault risk, and supports safe coordination with upstream breakers. Application: Data centers, large motor control centers, and heavy industrial automation. Feature: System voltage 480 V with 120 V control voltage offers flexible control and compatibility with standard control gear. Business impact: Simplifies integration with existing low-voltage control circuits, lowering installation time and wiring complexity. Application: 480 V distribution networks in manufacturing facilities and process plants. Feature: Three-pole, bottom feed, fusible protection reduces wiring length and simplifies enclosure design. Business impact: Cuts install time, improves enclosure footprint planning, and enhances protection coordination. Application: Panelboards and switchgear in compact installations. Feature: SPVR single-phase voltage relay with capacitor trip device enhances reliability and minimizes nuisance trips. Business impact: Improves protection accuracy, reduces maintenance cycles, and supports predictable downtime planning. Application: Single-phase feeders and critical process lines. Feature: UL Listed with broad NEMA ratings (1, 3R, 4, 12) provides regulatory confidence and rugged enclosure suitability. Business impact: Eases compliance audits, supports operation in varied environments, and reduces aftermarket risk. Application: Harsh industrial environments, outdoor or moisture-prone spaces. Feature: Optional accessories and provisions (Ground Fault Relay, Auxiliary Contacts, Kirk provisions) extend compatibility and lifecycle management. Business impact: Enables tailored protection schemes and future-proofing for evolving control architectures. Application: Control panels requiring extended monitoring and signaling options.
Get a Quick Quote for a Eaton CB4033B120480RA9
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 CB4033B120480RA9?
Enquire Now
FAQs
CB4033B120480RA9 is designed for bottom-feed configurations with three-pole, three-wire wiring. It supports fusible protection and offers optional ground fault, auxiliary contact provisions, and Kirk provisions. This combination simplifies wiring, reduces panel depth, and enables straightforward integration with standard MCCs and switchgear enclosures.
The device provides a 4000A amperage rating, a 480 V system voltage, and a 120 V control voltage. It is a three-pole, fusible unit with a capacitor trip device (SPVR). These ratings support high-current protection for harsh industrial environments and align with common 480 V distribution architectures.
Yes, CB4033B120480RA9 is UL Listed, indicating compliance with recognized safety standards. It also carries broad NEMA ratings (1, 3R, 4, 12), which confirms suitability for a range of rugged enclosures and environmental conditions typical in industrial facilities.
Ideal for large industrial power distribution and motor control centers, the CB4033B120480RA9 supports single-phase protection with a capacitor trip device, making it well-suited for critical feeders, process lines, and automation panels that demand reliable tripping and robust enclosure protection.
The integrated SPVR trip device provides precise protection with fewer nuisance trips, reducing maintenance interventions. Its rugged build and UL/NEMA compatibility support longer service life, lower replacement costs, and improved overall uptime, delivering a favorable total cost of ownership for demanding industrial environments.