Eaton CB1633B120208CT Bolted Pressure Switch - UL Listed
Part Number: CB1633B120208CT
Quick Summary
The Eaton CB1633B120208CT bolted pressure switch delivers high-current control for industrial power distribution. This design addresses the common challenge of reliable protection in bottom-feed, three-wire circuits where grounding and fuse coordination can complicate startup. UL Listed certification supports safety and regulatory compliance, while enclosure compatibility is reinforced by NEMA ratings such as NEMA 1, 3R, 4, and 12. By pairing a 1600A current rating with a 208V system and 120V control voltage, this switch offers robust protection and dependable operation for critical applications, aligning with procurement goals for durable, standards-aligned equipment. In addition, it supports essential business outcomes like reduced downtime, easier maintenance, and scalable integration into existing switchgear configurations.
Product Information
Extended Description
CB1633B120208CT Eaton: Eaton pringle bolted pressure contact switch,Control power transformer,1600A,120V,Bottom feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120208CT
UPC
782116958917
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
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
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 - CB1633B120208CT
Feature → Business Impact → Application: High-current capability at 1600A supports large motor loads and feeders, reducing the risk of nuisance trips and enabling smoother startup sequences in demanding industrial environments; this translates to higher line reliability and lower maintenance overhead in heavy-duty applications. The three-pole, three-wire configuration simplifies wiring schemes in centralized control panels, reducing installation time and minimizing wiring errors during panel construction or retrofit projects. Bottom-feed and bottom fuse configuration streamline enclosure wiring, enabling faster serviceability and safer, cleaner cable management in tight switchgear footprints. Fusible protection delivers arc- and fault-current limiting benefits, improving overall safety and facilitating compliance with arc-flash reduction practices in metal-mechanic plants and processing facilities. Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contacts provide tailored protection and additional signaling paths, supporting upgrades without full replacement of existing gear. The Control Power Transformer option ensures stable control power independent of load fluctuations, which reduces nuisance trips and simplifies coordination with upstream protective devices. Compatibility with UL Listed certification and various NEMA enclosures (1, 3R, 4, 12) makes the CB1633B120208CT a versatile choice for both new builds and modernization projects in switchgear rooms, paint shops, and material handling facilities. Industry context shows that robust, compliant protection at the device level translates to measurable uptime improvements, lower energy waste through optimized switching, and a clearer path to regulatory compliance for electrical installations.
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FAQs
CB1633B120208CT is designed for three-pole, bottom-feed configurations and is compatible with enclosures rated to NEMA 1, 3R, 4, and 12. Its bottom fuse arrangement and standard control voltage of 120V simplify retrofit into common industrial switchgear footprints, reducing panel redesign and wiring complexity. Optional accessories (ground fault relay, auxiliary contact provisions) support seamless integration without replacing existing gear.
Key ratings include an amperage of 1600A, system voltage of 208V, and a control voltage of 120V. The device is fusible with an electrical trip mechanism and supports a three-pole, three-wire configuration. It is designed for NEMA-rated enclosures (1, 3R, 4, 12) and provides a robust protection scheme suitable for high-demand switchgear environments.
Yes. With 1600A capacity, 208V system voltage, and 120V control, this bolted pressure switch excels as a main feeder or control-circuit protection device in motor-control centers, switchgear rooms, and industrial processing facilities. Its fusible protection and trip-with-charge-before-close mechanism help manage inrush, reduce arc energy, and support reliable startup sequences in demanding applications.
Optional features include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. These options enable enhanced fault detection, selective coordination, and signaling capabilities, reducing downtime and allowing tailored protection schemes without wholesale hardware changes to existing systems.
The product carries Eaton's warranty policy 25-000, offering one year from the date of installation or eighteen months from shipment, whichever comes first. This provides protection against manufacturing defects and ensures access to Eaton technical support, product updates, and recommended service intervals to maximize uptime and long-term reliability.