Eaton CB3033B120480GAX5 Bolted Pressure Switch - UL Listed
Part Number: CB3033B120480GAX5
Quick Summary
Eaton CB3033B120480GAX5 bolted pressure contact switch delivers fast protection for three-pole, three-wire power systems in industrial controls. This design minimizes nuisance trips and ground-fault events by supporting optional ground-fault relay, fuse detection, and auxiliary contacts. UL Listed and compatible with NEMA 1, 3R, 4, and 12 enclosures help meet safety and installation standards. Designers can leverage Eaton Switching Devices and the CB3033B120480GAX5 data sheet to expedite commissioning and maximize uptime. In practice, engineers value the robust enclosure compatibility and clear documentation, which reduces field adjustments during panel assembly. With a 430 lb footprint and a 22.5x32x40 in profile, it is designed for large switchgear applications where reliability matters.
Product Information
Extended Description
CB3033B120480GAX5 Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),3000A,1NO-1NC,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033B120480GAX5
UPC
782116951710
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.
Contact configuration
1 NO-1 NC
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 no lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB3033B120480GAX5
Feature: Amperage Rating of 3000A and system voltage of 480V enables handling large feeders and motor circuits within a single device. Business Impact: Reduces device count, simplifies wiring, and speeds fault-clearance, which lowers downtime and enhances safety. Application: Central distribution panels and high-current motor control centers in manufacturing facilities. Paragraph 2: Feature: Bottom feed, three-pole configuration with 1 NO-1 NC contacts and fusible protection. Business Impact: Streamlines installation and ensures predictable trip behavior, improving protection coordination. Application: Industrial control panels requiring reliable fault isolation. Paragraph 3: Feature: Optional Ground Fault Relay, Blown Fuse Detection, Auxiliary Contact Provisions, Kirk provisions. Business Impact: Enables tailored safety schemes, improved fault signaling, and compliance with utility or site requirements. Application: Panels with enhanced monitoring and interlock needs. Paragraph 4: Feature: UL Listed and NEMA compatibility (1, 3R, 4, 12). Business Impact: Facilitates regulatory approval and safe operation in harsh environments, reducing validation time. Application: Outdoor or harsh-site installations and enclosed switchgear. Paragraph 5: Feature: Rugged footprint (22.5 in depth, 32 in height, 40 in width) and weight (430 lb). Business Impact: Provides solid mechanical support and predictable mounting, lowering vibration-related wear. Application: Large MCCs, switchgear banks, and high-capacity feeders. Paragraph 6: Feature: Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions are AVAILABLE. Business Impact: Allows proactive maintenance and fast fault diagnosis, driving ROI through reduced downtime. Application: Customizable protection schemes for diverse industrial environments.
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FAQs
The CB3033B120480GAX5 uses a bottom feed configuration with three poles and 1 NO-1 NC contacts. Its bottom-fed fuse arrangement simplifies wiring and reduces panel depth requirements. For installations requiring signaling or interlocks, auxiliary contact provisions and Kirk provisions are available, enabling seamless integration with existing Eaton Switching Devices and control circuits.
The device is rated for 3000A with a 480V system, and a 120V control voltage. It is UL Listed and compatible with NEMA 1, 3R, 4, and 12 enclosures, supporting safe operation in diverse environments. Fusible protection provides coordinated overcurrent protection, while optional ground fault features enhance safety in panel installations.
Yes. The CB3033B120480GAX5 is designed to integrate with Eaton Switching Devices, benefiting from unified cataloging and the CB3033B120480GAX5 data sheet. This ensures consistent protection schemes, shared mounting footprints, and streamlined commissioning across Eaton’s low-voltage protection products.
The device occupies a large footprint with dimensions of 22.5 in depth, 32 in height, and 40 in width, and weighs approximately 430 lb. This informs enclosure sizing and mounting hardware decisions. Bottom feed and fusible configurations influence wiring runs and panel layout, so plan for adequate clearance and service access during installation.
Warranty coverage follows Eaton policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. Eaton provides technical support and access to the specification sheet, ensuring alignment with safety standards and facilitating post-install maintenance and upgrades over the product lifecycle.