Eaton CB1633T120208KG Pringle bolted switch - UL Listed
Part Number: CB1633T120208KG
Quick Summary
Eaton CB1633T120208KG Pringle bolted pressure switch provides high-current interlock protection for industrial power distribution. Operators often face nuisance trips and unplanned downtime when high-amperage feeders aren't properly protected; this unit offers robust fusible protection and configurable ground fault options to minimize that risk. UL Listed certification and enclosure readiness with NEMA ratings 1, 3R, 4, and 12 ensure reliability across harsh environments. In practice, this translates to safer installations, easier regulatory compliance, and predictable maintenance cycles, supporting uptime in critical power systems. The design supports seamless integration with auxiliary contacts and protection schemes for modern switchgear environments.
Product Information
Extended Description
CB1633T120208KG Eaton: Eaton pringle bolted pressure contact switch,Interlock,1600A,120V,Top feed,Ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120208KG
UPC
782116956821
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
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
208 V
Voltage - max
208 V
Voltage rating
208 V
Special features
Interlock
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 - CB1633T120208KG
Feature: High-current capability — 1600A with a three-pole, three-wire configuration and a 208V system. Business Impact: Reduces device count in the power path and improves fault isolation speed, delivering more dependable protection for large feeders. Application: Ideal for main feeders in switchgear and industrial cabinets where reliability under heavy load is critical. Feature: Interlock and charge-before-close mechanism. Business Impact: Safer switching of high-energy circuits, minimizing arcing and inadvertent closure. Application: Critical in top-feed arrangements and systems with interlocking safety requirements in control rooms and equipment rooms. Feature: Optional Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection; Auxiliary provisions. Business Impact: Early fault detection and containment reduce unplanned downtime and support compliance with protection schemes. Application: Panels requiring enhanced fault sensing and flexible interconnectivity with auxiliary contacts. Feature: UL Listed certification and NEMA-rated enclosure readiness. Business Impact: Eases regulatory compliance and ensures reliable operation in harsh environments. Application: Enclosures in industrial spaces demanding robust protection. Feature: Top feed and fuse configuration; Ground fault with control power transformer. Business Impact: Enables integrated protection and simpler wiring in centralized protection schemes. Application: Plant mains and switchgear layouts where streamlined wiring is advantageous.
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FAQs
Yes. The CB1633T120208KG is designed for three-pole operation at 208V system voltage with top-feed fuse configuration, providing reliable protection for high-current feeders while accommodating top-fed switchgear layouts.
The unit supports fusible protection with an interlock-enabled, charge-before-close mechanism and optional ground fault relay, blown fuse detection, single-phase protection, and auxiliary contact provisions for expanded control and signaling.
UL Listed confirms compliance with recognized safety standards for electrical devices, simplifying approvals, installation planning, and ongoing maintenance by ensuring consistent performance in industrial environments.
The switch measures 16 in (L) × 24 in (W) × 28 in (H) and weighs approximately 180 lb, guiding cabinet space planning, mounting, and handling during retrofits or new installs.
With 1600A capacity, robust interlock, and optional fault-detection features, the unit reduces downtime, minimizes unplanned outages, and simplifies compliance—leading to lower maintenance costs and improved plant uptime over the equipment lifecycle.