Eaton CB1633T120480KG14 Pringle bolted switch - UL Listed

Part Number: CB1633T120480KG14
Manufacturer
Eaton
Part number
CB1633T120480KG14

Quick Summary

Eaton CB1633T120480KG14 is a high-capacity bolted pressure switch for industrial control panels. It addresses downtime and reliability challenges by delivering interlock, top-feed wiring, and fusible protection in a single robust package. UL Listed certification and strong enclosure ratings provide assurance in rugged environments, while the three-pole, 1600A design supports demanding panel duties. With a 120 V control and 480 V system voltage, this switch aligns with common OEM control architectures and retrofit projects. In addition to safety interlock advantages, its compatibility with ground fault options and auxiliary provisions helps streamline panel design, reducing time-to-commission and total cost of ownership for engineers and procurement teams.

Product Information

Extended Description

CB1633T120480KG14 Eaton: Eaton pringle bolted pressure contact switch,Interlock,1600A,3NO-3NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480KG14
UPC
782116956807
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.
Contact configuration
3 NO-3 NC
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
Interlock
Feature → Business Impact → Application: 1600A amperage rating enables safe, reliable switching for large motor loads and high-current feeders, reducing trip events and unplanned downtime in OEM panels and MCCs. This translates to improved equipment uptime and predictable maintenance intervals in steel, mining, and processing facilities. Feature → Business Impact → Application: 3 NO-3 NC contact configuration provides flexible signaling and control in multi-channel safety circuits, enabling safer start sequences and easier integration with programmable logic controllers in complex automation tasks. Feature → Business Impact → Application: Top feed and fusible protection simplify field wiring and enclosure layout, enabling faster installations and more compact panel designs suitable for limited-space installations in offshore platforms and food and beverage plants. Feature → Business Impact → Application: Ground fault with control power transformer and optional ground fault relay deliver enhanced fault detection and selective protection, minimizing nuisance trips and protecting operators in high-humidity or dusty environments common to industrial environments. Feature → Business Impact → Application: Interlock with charge-before-close mechanism improves startup safety and reduces arc-flash risk, particularly in heavy machinery and conveyor systems where multiple interlocks govern safe operation. Feature → Business Impact → Application: Optional auxiliary contacts, Kirk provisions, and single-phase protection provide tailored protection schemes, easing commissioning, improving regulatory compliance, and supporting retrofit projects with varying protection requirements. Feature → Business Impact → Application: NEMA ratings 1, 3R, 4, and 12 extend enclosure compatibility for indoor and outdoor environments, ensuring reliable performance in harsh factory floors or protected outdoor installations. Feature → Business Impact → Application: UL Listed certification and robust construction contribute to long service life and lower total cost of ownership across OEM builds and service contracts, aiding procurement in risk-averse, standards-driven environments.

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FAQs

CB1633T120480KG14 is designed for top-feed wiring and fusible protection, with a three-pole, 3 NO-3 NC contact arrangement. Its 16 x 28 x 24 inch enclosure footprint and 180 lb weight support robust panel mounting, while the charge-before-close mechanism simplifies safe startup. Its UL Listed status and optional ground fault and auxiliary provisions aid integration into existing control architectures and Kirk provisions-ready panels.
The switch offers interlock capability, 3 NO-3 NC contacts, and fusible protection for 1600A loads. It supports ground fault with a transformer and optional ground fault relay, single-phase protection, and auxiliary/contact provisions. This combination enables safe, reliable operation in motor control centers and safety-critical circuits, reducing nuisance trips and facilitating compliant control sequences.
Ideal for heavy electrical switchgear, motor control centers, and power-distribution panels in manufacturing, mining, and process industries. The three-pole, top-feed design is well-suited for high-current motor feeders, while the interlock and fault-protection features support safe, compliant operation in environments with limited space and demanding uptime requirements.
This product is UL Listed and rated for multiple environments per its NEMA classifications: 1, 3R, 4, and 12. These ratings support indoor and outdoor installations with varying degrees of exposure. Optional features like ground fault relay and auxiliary provisions enhance protection and regulatory compliance in complex control systems.
The CB1633T120480KG14 consolidates high-current switching, interlock, fault protection, and wiring into a single unit, reducing panel complexity and installation time. The UL Listing and rugged NEMA ratings promote longer service life, lower downtime, and predictable maintenance costs, delivering strong ROI for OEMs and service providers in uptime-focused industries.