Eaton CB1633T120480GAR Pringle bolted pressure switch UL
Part Number: CB1633T120480GAR
Quick Summary
Eaton CB1633T120480GAR Pringle bolted pressure switch is designed for heavy-duty electrical protection in industrial switchgear. Engineers often struggle with reliable trip coordination and ground-fault detection in complex feeders under fluctuating loads. This unit carries UL Listed certification and robust NEMA compatibility (NEMA 1, 3R, 4, 12), helping ensure safe operation across diverse environments. With top-feed wiring, fusible protection, and optional ground fault relay, it simplifies installation, reduces downtime, and lowers total cost of ownership while delivering dependable protection for demanding power distributions.
Product Information
Extended Description
CB1633T120480GAR Eaton: Eaton pringle bolted pressure contact switch,BFD with three off lights (trip switch),1600A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480GAR
UPC
782116898862
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
175 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
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
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 three normally off lights (trip 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 - CB1633T120480GAR
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 1600A amperage rating and 480V system voltage provide robust protection for large motor feeders and high-load circuits. Business Impact: Supports safe, reliable operation of critical equipment while minimizing overload risk and maintenance events. Application: Large manufacturing lines, compressors, and pumps in industrial facilities. Feature: Three-pole, three-wire configuration with top feed simplifies wiring and control integration. Business Impact: Reduces installation time and wiring errors, improving commissioning efficiency. Application: Switchgear and distribution panels with standardized control circuits. Feature: Charge-before-close mechanism enhances operator safety by reducing arc energy during switching. Business Impact: Improves protection quality and personnel safety, lowering incident potential. Application: Motor control centers and critical feeders. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Auxiliary Contact Provisions improve monitoring and fault diagnosis. Business Impact: Expands safety coverage and allows faster maintenance responses. Application: Safety-critical circuits in process plants and utilities. Feature: UL Listed certification and NEMA rated compatibility (1, 3R, 4, 12). Business Impact: Streamlines compliance across environments, supporting audits and quality programs. Application: Industrial facilities requiring versatile environmental protection. Feature: Top-feed design and available Kirk provisions facilitate retrofit and serviceability. Business Impact: Eases upgrade paths and reduces downtime during maintenance. Application: Modernization projects and new builds in harsh environments.
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FAQs
CB1633T120480GAR is designed for top-feed wiring and three-pole, three-wire configurations. Plan for a roomy installation envelope due to its 16 in length, 24 in width, and 28 in height. Ensure compatibility with fusible protection options and space for optional ground fault relay and auxiliary contact provisions. Follow Eaton’s catalog notes for ground-fault capabilities and auxiliary wiring guidelines to optimize protective coordination.
Key specs include a 1600A amperage rating and a 480V system voltage with a 120V control voltage. The switch is fusible with a top-feeder configuration and three-pole, three-wire arrangement. It is UL Listed and supports multiple NEMA environments (1, 3R, 4, 12), making it suitable for rugged industrial applications and critical power distribution.
Yes. Its high current rating (1600A) and 480V system voltage, combined with a robust trip mechanism and top-feed design, make it ideal for large motor feeders and switchgear distribution panels. Optional features like ground fault detection and auxiliary contacts further enhance reliability for motors, pumps, and compressors in manufacturing and process industries.
This Eaton switch is UL Listed, providing recognized safety certification for electrical devices. It also carries NEMA ratings: 1, 3R, 4, 12, indicating suitability for a range of indoor and outdoor environments. These certifications support compliance with safety and performance standards in industrial facilities and electrical installations.
Plan for periodic inspection of fusible protection and any optional ground fault relay components, plus routine verification of auxiliary contacts and overall control wiring. The unit’s durable construction and Eaton warranty support long service life, reducing unplanned downtime and improving return on investment for mission-critical switching in switchgear and power distribution systems.