Eaton CB1633T120208PC Pringle bolted pressure contact switch - UL Listed
Part Number: CB1633T120208PC
Quick Summary
CB1633T120208PC is a bolted pressure contact switch used for high-capacity motor protection in industrial controls. Engineers often contend with nuisance trips and slow fault isolation; this unit uses a capacitor trip device and a top-feed configuration to improve reliability and speed. UL Listed safety certification ensures compliance with key electrical standards, while NEMA ratings 1, 3R, 4, and 12 extend suitability from clean control rooms to rugged outdoor enclosures. For panel builders and maintenance teams, the design translates to faster commissioning, safer operation, and straightforward integration with Eaton relays and three-pole switchgear. In short, it delivers robust protection for critical loads while supporting scalable, cost-conscious automation programs.
Product Information
Extended Description
CB1633T120208PC Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (Taylor),1600A,120V,Top feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120208PC
UPC
782116958221
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
208 V
Voltage - max
208 V
Voltage rating
208 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 - CB1633T120208PC
Amperage rating of 1600A supports high-current motor protection in demanding feeders, reducing the need for parallel devices and enabling simpler, more reliable protection schemes on large-drive applications. The 120 V control voltage paired with a 208 V system voltage ensures compatibility with common industrial power architectures, simplifying panel layouts and reducing wiring complexity. The three-pole, top-feed fusible design enhances installation efficiency, improves fault isolation, and minimizes wiring mistakes, while the No ground fault configuration lowers the risk of unintended tripping in grounded systems. The single-phase voltage relay with capacitor trip device (Taylor) delivers fast, predictable disconnection with reduced nuisance trips, a critical factor in high-availability processes. With NEMA 1/3R/4/12 compatibility, this switch supports both indoor control cabinets and rugged outdoor enclosures, expanding deployment options across facilities. The solid build (16 in x 28 in x 24 in, 180 lb) provides robust mechanical integrity for demanding environments, and UL Listed certification delivers confidence in safety compliance and performance while fitting seamlessly into Eaton’s switchgear ecosystem.
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FAQs
Installation follows a top-feed fuse configuration for three-pole, three-wire setups. Ensure correct phase alignment and secure mounting within a compatible switchgear enclosure. Use the capacitor trip device installation guidance to align with the Taylor relay; verify ground fault options are configured per the optional provisions. Always follow lockout/tagout procedures and UL-listed guidelines for safe commissioning.
The switch is rated for 1600A amperage with a 120 V control voltage and a 208 V system voltage, with a maximum of 208 V. It uses fusible protection and supports three-pole operation for high-current motor protection in industrial applications. Confirm system voltage compatibility with existing plant distribution to avoid mismatches during installation.
Yes. CB1633T120208PC is rated for NEMA 1, NEMA 3R, NEMA 4, and NEMA 12 environments, providing indoor cabinet reliability and outdoor enclosure resilience. This broad compatibility supports diverse applications—from clean rooms to outdoor process areas—while maintaining safety and performance standards in demanding facilities.
The primary certification is UL Listed, which confirms compliance with established electrical safety standards. This is critical for safety approvals, insurance requirements, and customer specifications. Ensure the installation aligns with UL guidelines and applicable local codes; consider optional features like ground fault relay or auxiliary contacts if your safety strategy requires enhanced monitoring.
The device provides reliable capacitor-trip protection and top-feed wiring that reduces nuisance tripping and diagnostic time, improving uptime for high-capacity motors. Its rugged construction and UL/NEMA compatibility minimize field rework, while straightforward integration with Eaton switchgear supports scalable automation programs and long-term cost savings through lower maintenance and faster commissioning.