Eaton CB1633T120480PC Pringle bolted pressure contact switch - UL
Part Number: CB1633T120480PC
Quick Summary
Eaton CB1633T120480PC pringle bolted pressure contact switch provides high-current protection for industrial power distribution. Many sites struggle with nuisance trips and slow fault clearance that disrupt production, so this unit uses a capacitor trip device to improve reliability without sacrificing selectivity. It carries UL Listed certification and supports rugged NEMA-rated enclosures (NEMA 1, 3R, 4, 12) for a range of indoor and outdoor applications. The design also aligns with top-feed fuse configurations and three-pole control, delivering robust protection while simplifying installation and maintenance. This combination supports scalable protection strategies and helps reduce downtime across critical processes.
Product Information
Extended Description
CB1633T120480PC Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (Taylor),1600A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480PC
UPC
782116957194
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 (Taylor)
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB1633T120480PC
Feature: 1600A amperage rating enables direct protection of large motors and feeders. Business impact: reduces the need for multiple protection devices and improves coordination, cutting downtime and maintenance costs. Application: well suited for switchgear and power distribution panels in manufacturing, mining, and process facilities where high inrush currents are common and reliability is non-negotiable. Feature: Top feed fuse configuration with three-pole design provides simple, compact installation. Business impact: minimizes wiring complexity and improves protection reach within crowded electrical rooms. Application: ideal for new builds or retrofits where a single assembly must cover multiple feeders with reliable fault isolation and straightforward field wiring. Feature: Single-phase relay with capacitor trip device (Taylor) delivers precise, fast tripping on phase faults while avoiding nuisance trips. Business impact: enhances uptime and safety in critical loads, reduces arc energy during fault clearance, and supports better coordination with upstream protective devices. Application: motor starters, furnaces, and heavy loads in continuous processes. Feature: UL Listed certification and broad NEMA ratings (NEMA 1, 3R, 4, 12) ensure compliance and enclosure compatibility across indoor and outdoor environments. Business impact: minimizes engineering risk, simplifies procurement, and supports regulatory adherence in sectors such as manufacturing and processing. Application: standard protection in utility rooms, outdoor enclosures, and environments requiring reliable enclosure compatibility. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Auxiliary Contact Provisions, and Kirk provisions offer flexibility for scalable protection schemes. Business impact: allows tailored protection profiles without replacing the entire assembly, reducing lifecycle costs. Application: retrofit projects and modular panel builds, with Eaton specification guidance supporting installation and configuration.
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FAQs
CB1633T120480PC is designed for top-feed mounting and three-pole wiring, allowing straightforward retrofits into standard distribution panels. Ensure proper alignment with the top-fed fuse configuration, verify enclosure clearance, and connect the auxiliary contacts if required. Follow Eaton’s installation guide and local electrical codes to maintain NEMA ratings and ensure reliable fault isolation.
The capacitor trip device enables faster, more selective tripping on single-phase faults, reducing nuisance trips and arc exposure. This improves continuity for healthy circuits while maintaining protection for critical loads. In practice, you gain reduced downtime, safer fault management, and better coordination with upstream protection devices in motor control centers.
Industries such as manufacturing, food and beverage, metal processing, and utilities benefit where high-current, single-phase protection is essential. Use cases include motor control centers, switchgear in distribution networks, and heavy feeders requiring robust NEMA-rated enclosures and a reliable capacitor trip device to manage inrush and protection coordination.
The CB1633T120480PC carries UL Listed certification and supports NEMA ratings: 1, 3R, 4, and 12, making it suitable for diverse indoor and outdoor environments. Optional Ground Fault Relay and other provisions extend compliance for specialized installations, while the standard three-pole topology aligns with common electrical codes and safety requirements.
With a 1-year warranty from installation (or 18 months from shipment) and optional auxiliary provisions, maintenance is straightforward and predictable. The high current rating and capacitor trip device reduce downtime and peak fault energy, translating to lower lifecycle costs, fewer replacements, and faster ROI in facilities with demanding load profiles.