Eaton CB1633T120480CT Bolted Pressure Switch - UL Listed
Part Number: CB1633T120480CT
Quick Summary
Eaton CB1633T120480CT bolted pressure switch provides reliable high-current protection for industrial switchgear. Engineers often struggle with nuisance trips, grounding faults, and wiring complexity in large control panels. This unit is UL Listed and supports NEMA 1, 3R, 4, and 12 enclosures, enhancing reliability in demanding environments. In practice, it reduces downtime by delivering precise protection coordination and fast fault isolation. The design features a control power transformer and fusible protection, enabling safer, simpler installation and maintenance. By aligning with Eaton switching devices, it offers improved compatibility, faster commissioning, and scalable protection for growing electrical systems.
Product Information
Extended Description
CB1633T120480CT Eaton: Eaton pringle bolted pressure contact switch,With control power transformer,1600A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480CT
UPC
782116957224
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
180 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
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
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
With control power transformer
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633T120480CT
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: High amperage rating of 1600A and 480V system voltage. Business impact: supports large load feeders without frequent fuse changes, reducing maintenance costs and downtime. Application: main feeders in industrial switchgear and control panels. Feature: Top feed fuse configuration and three-pole, three-wire design. Business impact: simplifies wiring, improves phasing accuracy, and enhances protection coordination across phases. Application: panel-mounted control centers and machine supervisory circuits. Feature: Fusible protection with charge-before-close switching. Business impact: enhances safety during startup, lowers fault energy, and simplifies compliance with protection standards. Application: high-growth automation installations and critical machinery. Feature: Control power transformer included. Business impact: reduces control wiring complexity, enables self-contained control and faster commissioning. Application: integrated control circuits in compact switchgear and distributed control panels. Feature: Optional catalog notes including Ground Fault Relay, Blown Fuse Detection, and Auxiliary/ Kirk Provisions. Business impact: provides modular safety features and expandable control options without redesign. Application: customizable protection schemes for diverse industrial environments. Feature: UL Listed with NEMA ratings 1, 3R, 4, and 12. Business impact: verified safety and environmental resilience, aiding regulatory compliance and warranty confidence. Application: harsh industrial settings, wet or dusty environments, and enclosure-equipped systems.
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FAQs
CB1633T120480CT is a top-feed, three-pole, fusible switch designed for straightforward integration in industrial control panels. Ensure enclosure compatibility with NEMA 1, 3R, 4, or 12 ratings and provide space for the 16 x 28 x 24 inch footprint. Use the included control power transformer to simplify control wiring and align with existing Eaton switching devices for faster commissioning.
This unit provides a 1600A amperage rating with a 480V system voltage and a 120V control voltage. It uses fusible protection and supports three-pole, three-wire configurations with a top-feed fuse arrangement. It is UL Listed and compatible with NEMA 1, 3R, 4, and 12 enclosures, offering robust protection in varied environments.
Yes. The device is specified with a top-feed fuse configuration and offers optional features such as Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk provisions, and auxiliary contacts. This enables tailored protection schemes and straightforward upgrades without major redesigns.
CB1633T120480CT is UL Listed and rated for NEMA 1, 3R, 4, and 12 enclosures. These certifications support safety compliance, reliability in harsh environments, and smoother procurement processes for regulated industries seeking proven protection devices.
The fusible protection combined with a control power transformer reduces wiring complexity and potential fault energy, translating to lower maintenance costs and faster fault isolation. The UL Listed rating and broad NEMA compatibility also minimize downtime and warranty risks, delivering tangible ROI in high-current applications like switchgear and industrial panels.