Eaton CB1633T120480KAX Pringle bolted switch - UL Listed

Part Number: CB1633T120480KAX
Manufacturer
Eaton
Part number
CB1633T120480KAX

Quick Summary

Eaton pringle bolted pressure contact switch is designed to reliably interrupt and protect high-current circuits in industrial switching applications. When protection is critical, unreliable trips or coordination gaps can lead to costly downtime. This UL Listed device supports robust performance with NEMA ratings for rugged enclosures and compatibility with 480V power systems and 120V control circuits. Its optional ground fault relay, blown fuse detection, and auxiliary provisions help streamline compliance and maintenance, reducing the burden on engineering teams. In practice, it improves safety and reliability in power-distribution panels while supporting efficient procurement and installation in industrial facilities.

Product Information

Extended Description

CB1633T120480KAX Eaton: Eaton pringle bolted pressure contact switch,Interlock, BFD with no lights (trips switch),1600A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480KAX
UPC
782116956869
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
Interlock, BFD with no lights (trips switch)
Feature: Amperage rating up to 1600A enables handling of high-load equipment without undersizing the protective device. Business Impact: Reduces the number of devices in a panel, lowers inventory complexity, and improves overall protection sequencing in motor control centers. Application: Suitable for large drives and process lines in manufacturing environments. The result is better uptime and predictable protection in power distribution layouts. Feature: Top feed fuse configuration with interlock and BFD (blown fuse detector) capability enhances fault handling. Business Impact: Ensures safe energization and rapid fault isolation, minimizing arc-flash exposure and downtime. Application: Ideal for switchgear assemblies requiring reliable trip-action before closing to protect personnel and equipment. Feature: Three-pole, three-wire design with 480V system voltage and 120V control voltage offers broad compatibility. Business Impact: Simplifies integration with existing 480V mains and standard control circuits, reducing engineering time and wiring errors. Application: Panel builders and machine builders configuring centralized protection across multiple feeders. Feature: NEMA ratings including 1, 3R, 4, and 12 provide enclosure protection against dust, water, and corrosion. Business Impact: Improves reliability in harsh environments and extends service life in industrial settings. Application: Outdoor or damp-location installations and industrial plant environments. Feature: Optional Ground Fault Relay, Single Phase Protection, and Auxiliary Contact Provisions address compliance and monitoring needs. Business Impact: Supports enhanced safety analytics, faster fault detection, and easier commissioning. Application: Critical projects requiring fault- and phase-monitoring within low- and medium-voltage distributions. Feature: UL Listed certification confirms adherence to recognized safety standards, with a 16-in length, 28-in height, and 24-in width footprint for planning in dense switchgear layouts. Business Impact: Improves audit readiness, accelerates procurement, and reduces risk during installation. Application: Standard practice for electrical distribution equipment in regulated industrial facilities.

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FAQs

This device uses a top-feed, three-pole, three-wire configuration with fusible protection. Plan for 480V mains and 120V control wiring, ensure adequate clearance for mounting, and verify UL Listed compliance. Use the interlock feature where required and confirm available optional features such as ground fault relay or blown fuse detection during commissioning.
The switch is rated for 1600A with a 480V system voltage and 120V control voltage. It supports NEMA ratings 1, 3R, 4, and 12, and uses a top feed, fusible configuration with an interlock mechanism. It is designed for high-current protection in industrial switchgear and power distribution panels.
Yes. Its three-pole, 1600A capability, 480V system support, and UL Listed certification make it well-suited for motor control centers and distribution panels. The device’s rugged enclosure ratings and compatibility with 120V control circuits support reliable protection, simplified wiring, and safer startup sequences in industrial environments.
The CB1633T120480KAX is UL Listed, indicating compliance with recognized safety standards. It also provides broad enclosure protection through NEMA ratings of 1, 3R, 4, and 12, ensuring suitability for a range of indoor and outdoor industrial applications.
The switch supports optional ground fault protection, blown fuse detection, and auxiliary contacts, facilitating proactive maintenance and fault analytics. Its high current rating and robust enclosure ratings reduce downtime, simplify spare-part inventories, and improve overall lifecycle costs for high-availability production lines.