Eaton CB1633B120208RARCT Pringle bolted pressure contact switch - UL Listed
Part Number: CB1633B120208RARCT
Quick Summary
Eaton pringle bolted pressure contact switch is a heavy-duty relay for protection in industrial power panels. Engineers often struggle with reliable trip coordination and space constraints in low- and medium-voltage switchgear, especially when wiring and maintenance overhead rise. This model carries UL Listed safety certification and aligns with demanding NEMA enclosure expectations, supporting rugged environments with optional ground fault relay and a capacitor trip device (SPVR). Its 208 V system, 1600 A amperage rating, and 120 V control voltage deliver robust protection with predictable coordination. For value-focused buyers, the combination of compact scheduling within a large footprint, optional features, and Eaton’s warranty translates to minimized downtime and improved panel performance in industrial automation environments.
Product Information
Extended Description
CB1633B120208RARCT Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three off lights (trips switch),,1600A,120V,Bottom feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120208RARCT
UPC
782116958856
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
Single-phase voltage relay with capacitor trip device (SPVR), BFD with three normally off lights (trips switch), with control power transformer
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633B120208RARCT
Three-pole bolted pressure switch with an electrical trip and charge-before-close mechanism delivers rapid, reliable protection for high-current feeders, reducing unplanned outages and extending motor life in distribution panels. This capability translates to tangible uptime gains and safer shutdowns in demanding facilities, including manufacturing floors and data-center coexistence rooms. The SPVR capacitor trip device, paired with the BFD status indicators, provides clear fault signaling and faster fault isolation, enabling maintenance teams to pinpoint issues without exhaustive troubleshooting. Bottom feed configuration and fusible protection simplify wiring, shorten installation time, and reduce cabinet footprint while improving fault containment in tight Electrical Rooms. Optional Ground Fault Relay and auxiliary contact provisions offer scalable protection and easier integration with remote monitoring and interlocking schemes, supporting compliant, modernized switchgear. The enclosure-rated protection (NEMA 1, 3R, 4, 12) ensures dependable performance in varied environments, from clean plant spaces to outdoor-rated installations, with UL Listed safety certification reinforcing compliance and ongoing vendor support for lifecycle maintenance. With a 16 in long, 24 in wide, and 32 in high footprint and a 200 lb weight, this unit is engineered for rigorous utility-scale protection without compromising reliability or serviceability in industrial power distribution.
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FAQs
Installation follows the bottom feed, three-pole configuration designed for fusible protection. Ensure the panel enclosure supports NEMA ratings up to 4 or 12 as required, mount the unit on a sturdy base, and route conductors to match the three-wire, three-pole arrangement. Verify the auxiliary provisions and, if used, connect the ground fault relay circuit per the wiring diagram to maintain proper protection and signaling.
The SPVR capacitor trip device enables faster, more reliable tripping during abnormal conditions, improving fault clearance without manual intervention. It provides a predictable and coordinated response for high-current feeders, reducing mechanical wear and improving plant safety. When combined with the BFD status lights, technicians can quickly confirm trips and diagnose protection status on site.
Yes. The unit is designed for 208 V system voltage with a 120 V control voltage, aligning with common industrial power distribution schemes. Its three-pole, bottom-feed configuration supports high-current applications up to 1600 A, making it appropriate for large motors and feeders while allowing standard low-voltage control circuits to operate reliably.
This switch is UL Listed, providing safety certification for electrical devices. It also supports diverse enclosures rated by NEMA standards (1, 3R, 4, 12), ensuring suitable protection for indoor and outdoor installation environments where rugged electrical protection is required.
Expect reduced downtime due to faster fault isolation and reliable trip coordination, which lowers maintenance costs and extends asset life. The optional Ground Fault Relay and auxiliary provisions enable scalable protection and easier integration with building management or remote monitoring systems. The long-term warranty and Eaton’s support network further reduce lifecycle risk and ensure predictable operational performance.