Eaton CB4033T120480GAX5 Pringle Bolted Pressure Switch - UL
Part Number: CB4033T120480GAX5
Quick Summary
The Eaton CB4033T120480GAX5 is a high-capacity pressure contact switch used for three-pole protection in industrial power distribution. In practice, engineers face costly downtime from nuisance trips and complex wiring in large switchgear, especially with top-feed configurations. UL Listed protection paired with robust NEMA enclosure compatibility helps ensure compliance and safer operation in demanding environments. This solution also supports optional ground fault relay and auxiliary contact provisions, delivering reliable protection while simplifying installation and maintenance. For buyers, the combination of rugged construction and scalable protection features translates into reduced maintenance costs and improved system uptime, with emphasis on safety and reliability in industrial control architectures.
Product Information
Extended Description
CB4033T120480GAX5 Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips wtich),4000A,1NO-1NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480GAX5
UPC
782116950096
Product Length/Depth
17 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.
Contact configuration
1 NO-1 NC
Feed type
Top
Fuse configuration
Top 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
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
BFD with no lights (trips wtich)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB4033T120480GAX5
Feature: 4000A amperage rating and 480V system voltage with 120V control voltage. Business impact: Enables safe switching of high-current feeders, reducing fault energy and protecting downstream equipment. Application: Ideal for large-capacity switchgear and MCC feeders in industrial plants. Feature: 1NO-1NC contact configuration in a three-pole design. Business impact: Flexible interlocking and monitoring options with straightforward wiring. Application: Municipal power distribution and manufacturing lines requiring precise on/off control. Feature: Top feed and fusible protection with ground fault capability. Business impact: Simplified installation, improved fault detection, and enhanced personnel safety. Application: Enclosures requiring top-entry wiring and fuse protection in harsh environments. Feature: UL Listed and NEMA-rated enclosure compatibility (NEMA 1, 3R, 4, 12). Business impact: Regulatory compliance and durable protection across indoor and outdoor locations. Application: Industrial control rooms, outdoor substations, and rugged plant floors. Feature: Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions. Business impact: Reduces unplanned downtime and enables advanced safety interlock strategies. Application: Safety-critical systems and automated protection schemes in manufacturing. Feature: Robust dimensions and weight (17 in L, 28 in H, 40 in W; 390 lb). Business impact: Stable, vibration-resistant installation with space planning clarity. Application: Equipment rooms and restricted-space installations where mounting footprint matters. Feature: 25-000 warranty and UL-listed safety assurance. Business impact: Predictable maintenance budgeting and long-term support. Application: OEMs and integrators seeking proven, serviceable protection components.
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FAQs
For proper installation, plan for a three-pole, top-feed configuration with a 1NO-1NC contact arrangement and fusible protection. Ensure 120 V control voltage and 480 V system voltage are wired correctly, and verify compatibility with optional ground fault relay and auxiliary contacts. Space the unit to accommodate its 17x28x40 inch footprint and 390 lb weight, and mount in a compliant enclosure (NEMA 1, 3R, 4, 12).
The CB4033T120480GAX5 is UL Listed, providing safety compliance for industrial environments. It supports NEMA-rated enclosures including 1, 3R, 4, and 12, enabling reliable operation across indoor and outdoor installations. While SIL/CE specifics are not listed here, the UL Listing combined with NEMA compatibility delivers robust protection in harsh manufacturing settings.
Yes. Catalog notes indicate optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions are AVAILABLE. This means you can add fault-detection and monitoring features to enhance safety interlocks and diagnostics, while maintaining existing control wiring and protection schemes.
Key specs include a 4000A amperage rating, 480V system voltage, 480V voltage max and rating, and a 120V control voltage. The device uses a three-pole, three-wire configuration with a 1NO-1NC contact setup, top-feed, and fusible protection. These figures guide protection coordination, bus design, and control circuit sizing.
The product carries Eaton's warranty policy of one year from installation or eighteen months from shipment, whichever occurs first. Maintenance considerations include inspecting fusible protection and ground fault provisions, ensuring enclosure seals remain intact, and stocking optional components like ground fault relays and auxiliary contacts to minimize downtime.