Eaton CB1633B120480RAXCT Pringle bolted pressure switch-UL
Part Number: CB1633T120208ARCT
Quick Summary
Eaton CB1633B120480RAXCT is a bolted pressure contact switch engineered for heavy-duty motor protection in switchgear and control panels. Plant operators often grapple with nuisance trips and slow fault isolation that disrupt production, especially in high-current applications. UL Listed certification ensures safety and reliability, while the device supports rugged NEMA-rated enclosures (NEMA 1, 3R, 4, 12) for tough environments. In addition to core protection, optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions align with modern control architectures, delivering improved MTBF, reduced downtime, and simpler maintenance planning while supporting compliant installation across industrial facilities.
Product Information
Extended Description
CB1633T120208ARCT Eaton: Eaton pringle bolted pressure contact switch,BFD with three off lights (trips switch),,1600A,120V,Top feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120208ARCT
UPC
782116898893
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
175 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
BFD with three normally off lights (trips switch), with control power transformer
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 - CB1633T120208ARCT
Feature: Electrical trip with a charge-before-close mechanism (SPVR). Benefit: Reduces inrush, minimizes arc-flash risk, and delivers reliable, sequenced trips. Application: ideal for motor control centers and critical process lines where controlled startup and rapid fault isolation matter. Feature: 1600A amperage rating with 480V system voltage and a three-pole configuration. Benefit: supports large motor loads with fewer devices, simplifying panel design and reducing installation footprint. Application: heavy-duty manufacturing, steel mills, and process plants. Feature: 120V control voltage with fusible protection and bottom feed configuration. Benefit: aligns with standard control circuits and enables straightforward integration into existing switchgear. Application: mid- to large-scale electrical rooms. Feature: Optional Ground Fault Relay and auxiliary contact provisions. Benefit: enhanced fault detection and extended interlock capabilities for safer, code-compliant protection. Application: data centers, chemical plants, and facilities requiring advanced protective schemes. Feature: UL Listed certification and rugged NEMA compatibility. Benefit: regulatory compliance and reliable performance in harsh environments. Application: compliant, long-life protection for critical electrical infrastructure.
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FAQs
CB1633B120480RAXCT is designed for bottom-feed configurations, with a bottom feed fuse arrangement and three-pole construction. This enables straightforward retrofits in compatible switchgear racks and simplifies field wiring, reducing installation time and potential wiring errors. Its 480V system rating matches common industrial distribution, while the 1600A capacity supports large motor loads without compromising protection accuracy.
Key ratings include an amperage of 1600A, control voltage of 120V, system/voltage ratings of 480V, and a three-pole, three-wire configuration with fusible protection. The device is UL Listed and supports NEMA 1, 3R, 4, 12 enclosures, making it suitable for rugged environments. It is designed for single-phase protection via SPVR and capacitor trip functionality.
Yes. The catalog notes indicate an Optional Ground Fault Relay is available, along with other options such as Blown Fuse Detection and Auxiliary Contact Provisions. This allows enhanced protection and interlocking for complex systems, enabling designers to add ground fault protection without replacing the base switch.
The unit measures 16 inches in depth, 32 inches in height, and 24 inches in width, with an installed weight of approximately 200 pounds. This footprint is typical for high-current, three-pole bolted switches and should be accommodated in dedicated switchgear spaces or rated enclosures to ensure proper clearance for wiring, maintenance, and cooling.
The product carries UL Listed certification, confirming adherence to safety standards. Warranty terms are defined by Eaton policy 25-000, offering one year from date of installation or eighteen months from shipment, whichever occurs first. This combination supports reliability, service planning, and predictable ownership costs for mission-critical applications.