Eaton CB1633T120480RAR Bolted Pressure Switch - UL Listed
Part Number: CB1633T120480RAR
Quick Summary
Eaton CB1633T120480RAR bolted pressure switch provides single-phase protection for heavy electrical loads in industrial controls. Engineers often battle nuisance trips, delayed fault detection, and wiring complexity in top-fed, fusible switchgear. UL Listed safety certification, along with compatible NEMA 1, 3R, 4, and 12 enclosures, supports reliable operation in varied environments. This solution also integrates seamlessly with Eaton’s switching devices ecosystem, delivering dependable protection while enabling streamlined procurement and maintenance for industrial facilities.
Product Information
Extended Description
CB1633T120480RAR Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three off 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
CB1633T120480RAR
UPC
782116957156
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
Single-phase voltage relay with capacitor trip device (SPVR), BFD with three normally off lights (trips switch)
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 - CB1633T120480RAR
High-capacity protection directly translates to reduced downtime and lower service costs in demanding environments. Feature: 1600A amperage rating with 480V system voltage; Business impact: robust protection for large motors and equipment; Application: motor control centers and feeders in industrial plants. Feature: SPVR single-phase voltage relay with capacitor trip device; Business impact: faster, controlled trips to minimize damage and nuisance false trips; Application: pumps, conveyors, and compressors. Feature: Top feed and fusible configuration; Business impact: simplified installation, easier field wiring, and safer serviceability; Application: compact switchgear installations with clear fault indication (three-off lights). Feature: Three-pole, three-wire design with no ground fault; Business impact: enhanced reliability and reduced fault paths; Application: multi-line feeders in harsh industrial settings. Feature: Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions; Business impact: compliance with protection standards and extended monitoring; Application: enterprise-grade control panels and safety-critical circuits. Image-ready enclosure compatibility and UL Listed certification help simplify procurement, testing, and commissioning cycles, delivering measurable efficiency gains for maintainers and operators.
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FAQs
Installation requires mounting the three-pole switch in a suitable enclosure with top-feed wiring and a fusible configuration. Use the SPVR capacitor trip device for single-phase protection and connect to 480V supply and 3-wire loads. Verify enclosure ratings align with NEMA 1, 3R, 4, or 12 as appropriate, and consult the Eaton datasheet for wiring diagrams and auxiliary contact provisions.
The unit is rated for 1600A at a 480V system with 120V control voltage. It features a single-phase relay with capacitor trip (SPVR), three-pole operation, top-feed fuse configuration, and ‘no ground fault’ design. Optional protections include Ground Fault Relay and Blown Fuse Detection, enhancing safety and reliability in critical applications.
Yes. Designed as a three-pole, three-wire bolted pressure contact switch with a capacitor trip device, it provides robust protection for high-current motor circuits and critical loads, while supporting top-feed wiring and fusible configurations commonly found in motor control centers and switchgear assemblies.
CB1633T120480RAR is UL Listed, indicating safety compliance for electrical assemblies. It is compatible with standard enclosure ratings (NEMA 1, 3R, 4, 12). For other certifications such as CE or IP ratings, please consult Eaton’s datasheets or contact a distributor to confirm availability for your region and application.
This Eaton switch carries a warranty policy aligned with Eaton’s terms (one year from installation or eighteen months from shipment, whichever occurs first). Routine maintenance should focus on inspecting the fuse configuration, SPVR trip function, indicator lights (three off lights on trip), and ensuring ground fault options or auxiliary contacts are in proper working order.