Eaton CB1633B120208GAX Pringle bolted pressure contact switch - UL Listed
Part Number: CB1633B120208GAX
Quick Summary
Eaton CB1633B120208GAX is a bolted pressure contact switch for high-current machine protection and panel safety. Engineers often contend with nuisance trips, mis-wiring, and inconsistent fault protection in multi-pole control panels, which can drive downtime and maintenance costs. UL Listed certification supports safety compliance for industrial switchgear, with compatible NEMA configurations including 1, 3R, 4, and 12. This model delivers reliable protection in demanding environments, while its bottom-feed design and optional ground fault features help simplify installation and integration with existing safety interlocks, auxiliary contacts, and control circuits, delivering measurable business value through reduced downtime and improved protection efficacy.
Product Information
Extended Description
CB1633B120208GAX Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),1600A,120V,Bottom feed,Ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120208GAX
UPC
782116958689
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
200 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
Bottom
Fuse configuration
Bottom 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
BFD with no lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633B120208GAX
The CB1633B120208GAX is designed to handle 1600A at 208V with a three-pole configuration, fusible protection, and bottom feed. Feature → Business Impact → Application: High current capacity allows protection of large feeders and motor starters, reducing the need for multiple devices and simplifying panel design; this translates to lower capital and installation costs in switchgear or MCCs. Feature → Business Impact → Application: Charge-before-close mechanism (electrical trip with charge-before-close) minimizes inrush and prevents closing under fault conditions, reducing arc flash exposure and unplanned downtime in critical lines. Feature → Business Impact → Application: Ground fault with control power transformer, with optional ground fault relay and auxiliary provisions, enhances personnel safety and enables fast fault isolation in manufacturing environments. Feature → Business Impact → Application: NEMA 1, 3R, 4, 12 capability supports indoor and harsh environments, improving uptime across production floors and service entrances. Feature → Business Impact → Application: Optional auxiliary contacts and single-phase protection provide flexible control wiring and PLC integration, enabling scalable protection schemes without rewiring. Feature → Business Impact → Application: Long-term reliability with UL Listed certification and a robust 1600A rating reduces maintenance costs and extends service life in heavy-use applications.
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FAQs
This model uses a bottom feed configuration and is designed for three-wire, three-pole circuits with fusible protection. Plan for proper panel clearance, secure mounting, and compatible enclosure for UL compliance. Ensure wiring follows the 120 V control circuit and 208 V power connections, and verify availability of optional ground fault and auxiliary contact provisions for extended functionality.
Key specs include 1600A amperage rating, 208V system voltage, three-pole configuration, fusible protection, bottom feed, and ground fault with control power transformer. It is UL Listed and supports NEMA 1, 3R, 4, 12 configurations, with optional auxiliary contacts and fault-detection options to tailor protection to the application.
CB1633B120208GAX offers NEMA ratings that support indoor and certain protected outdoor environments when installed with appropriate enclosures. Its fusible protection and robust construction are intended for industrial panels, switchgear, and plant electrical rooms, where protection against dust, moisture, and physical impact is a consideration in selecting an enclosure.
UL Listed means the product has been tested for safety and meets established standards for electrical switches used in industrial environments. This certification supports compliance with national safety requirements, reduces risk during commissioning, and enhances reliability in high-current panel protection applications.
The product is backed by Eaton’s standard warranty policy, providing coverage for one year from the date of installation or eighteen months from shipment, whichever occurs first. This warranty supports parts availability, replacement options, and access to Eaton technical support for installation and field service considerations.