Eaton CB1633B120480GAX5 Bolted Pressure Switch - UL Listed
Part Number: CB1633B120480GAX5
Quick Summary
Eaton CB1633B120480GAX5 bolted pressure contact switch provides reliable trip protection for industrial switchgear and MCCs. Nuisance trips and slow fault detection can disrupt production and escalate maintenance costs, making dependable protection essential. UL Listed certification and strong enclosure compatibility across NEMA 1, 3R, 4, and 12 help ensure regulatory compliance in demanding facilities. Designed for bottom-feed, three-pole operation with fusible protection and optional ground fault features, it reduces wiring complexity and downtime while supporting scalable protection for high-current power networks. With a 1600A amperage rating, 480V system voltage, and 120V control, this switch delivers robust performance in harsh environments and aligns with Eaton’s proven reliability standards.
Product Information
Extended Description
CB1633B120480GAX5 Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),1600A,1NO-1NC,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120480GAX5
UPC
782116958603
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
200 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
1600A
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
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB1633B120480GAX5
Feature: High-current, multi-voltage capability (1600A, 480V system voltage, 120V control) → Business Impact: Enables single-device protection for large equipment, reducing the need for multiple protective devices and improving fault clearance times → Application: Ideal for switchgear, motor control centers, and heavy-duty panels in manufacturing and processing facilities. Feature: Bottom-feed, three-pole, 3-wire design with fusible protection → Business Impact: Simplifies installation, lowers wiring errors, and provides coordinated fault isolation → Application: Suited for compact enclosures and retrofit projects in industrial plants. Feature: Optional Ground Fault Relay and auxiliary provisions → Business Impact: Improves safety and fault detection without sacrificing uptime → Application: Critical facilities such as data centers, chemical plants, and continuous-process lines. Feature: 1 NO-1 NC contact configuration with charge-before-close mechanism → Business Impact: Reduces misoperation risk during startup and sequencing → Application: feeders and protective interlocks in high-current distributions. Feature: UL Listed certification and NEMA-rated enclosure compatibility → Business Impact: Streamlines compliance and protects assets in rugged environments → Application: Industrial environments requiring reliable protection within compliant switchgear.
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FAQs
CB1633B120480GAX5 is a three-pole, bottom-feed bolted switch designed for 480V systems with 1600A capacity and 120V control. It supports NEMA 1, 3R, 4, and 12 enclosures and is UL Listed, making it suitable for standard switchgear and MCC installations in harsh industrial environments.
Key ratings include 1600A amperage, 480V system voltage, and 120V control voltage, with 1 NO-1 NC contact arrangement and fusible protection. Optional ground fault relay and auxiliary provisions are available to enhance safety and fault detection within industrial power distributions.
Best suited for heavy-duty switchgear, motor control centers, and critical power distribution panels in manufacturing, processing, and data-intensive facilities. Its bottom-feed design and three-pole configuration support compact installations while maintaining robust fault protection and safe startup sequencing.
The device is UL Listed and supports protection in NEMA-rated enclosures (1, 3R, 4, 12). While CE and SIL ratings are not specified in the data, UL Listing and NEMA compatibility provide strong regulatory alignment for industrial environments.
The product carries Eaton’s warranty policy of one year from installation or eighteen months from shipment, whichever occurs first. Eaton provides detailed specifications and datasheets to support maintenance planning and lifecycle cost optimization, helping minimize downtime and extend asset life.