Eaton CB1633T120208KCT Pringle bolted pressure switch - Fusible
Part Number: CB1633T120208KCT
Quick Summary
The Eaton CB1633T120208KCT bolted pressure contact switch provides high-current protection for industrial switchgear. Engineers often struggle with reliable trip coordination and top-feed access in large enclosures, especially when space is tight. UL Listed, NEMA 1/3R/4/12 compatibility, and fusible protection ensure safety and rugged performance in demanding environments. This model supports a 1600 A rating at 208 V with a 120 V control circuit, while interlock and control power transformer options streamline maintenance and enhance operator safety. For buyers, the combination of high current capability and robust protection translates to reduced downtime and improved system reliability.
Product Information
Extended Description
CB1633T120208KCT Eaton: Eaton pringle bolted pressure contact switch,Interlock,,1600A,120V,Top feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120208KCT
UPC
782116956920
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
208 V
Voltage - max
208 V
Voltage rating
208 V
Special features
Interlock, 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 - CB1633T120208KCT
Feature: 1600 A amperage rating provides capacity for large motor loads and feeder applications. Business Impact: reduces the need for multiple smaller switches, improving reliability and lowering cabinet space usage. Application: main feeders in switchgear, MCCs, and industrial distribution networks. Feature: Top feed and fuse configuration simplifies wiring and enables straightforward installation in crowded enclosures. Business Impact: minimizes wiring errors and installation time, cutting total project costs. Application: straight-through wiring in control panels and industrial enclosures. Feature: System voltage 208 V with a 208 V maximum, and control voltage 120 V supports standard plant power and control circuits. Business Impact: ensures compatibility with common facility electrical systems, reducing modification needs. Application: panel boards and protective interlock schemes for 208 V networks. Feature: Three-pole, three-wire configuration with fusible protection and electrical trip with charge-before-close. Business Impact: enhances circuit protection and predictable tripping behavior, improving fault isolation. Application: high-power distribution and motor control centers in harsh environments. Feature: Special features include Interlock, optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions. Business Impact: boosts maintenance safety, fault diagnostics, and scheme flexibility. Application: safety interlocks and protective relay schemes for complex power distribution. Feature: UL Listed certification and broad NEMA ratings (1, 3R, 4, 12) support compliance and versatile installation across indoor and outdoor environments. Business Impact: helps meet regulatory requirements and reduces redesign risk in multi-site deployments. Application: industrial facilities requiring reliable, code-compliant protection with rugged enclosure suitability.
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FAQs
CB1633T120208KCT is designed for top-feed, three-pole installations with fusible protection. For best results, mount in a compliant enclosure, use the interlock option where safe maintenance is required, and follow UL-listed wiring diagrams. Verify conductor sizing for 1600 A and ensure proper torque on terminal connections to minimize arcing and heat buildup.
Key specs include 1600 A amperage rating, 208 V system voltage, 120 V control voltage, three-pole arrangement, fusible protection, and NEMA compatibility for 1/3R/4/12 enclosures. The switch supports top feed with control power transformer options and interlock features to ensure safe operation and reliable tripping.
Yes. The CB1633T120208KCT is specified for 208 V system voltage and a 120 V control circuit, making it compatible with typical plant power and control wiring. Its fusible protection and electrical trip with charge-before-close support safe power distribution and rapid fault clearance in 208 V installations.
CB1633T120208KCT is UL Listed and compatible with multiple NEMA ratings (NEMA 1, 3R, 4, 12). These certifications confirm safety and reliability across indoor and outdoor applications, reducing compliance risk and enabling use in a wide range of industrial environments with confidence in protective performance.
With interlock options, optional ground fault relay, blown fuse detection, and auxiliary contact provisions, CB1633T120208KCT simplifies maintenance and fault diagnostics. The high-current capacity and robust protection minimize unplanned downtime, while regulatory-compliant construction supports longer service life and lower total cost of ownership in heavy-use facilities.