Eaton CB1633T120480GA9 Bolted Pressure Contact Switch - UL Listed
Part Number: CB1633T120480GA9
Quick Summary
The Eaton CB1633T120480GA9 bolted pressure contact switch is designed to deliver reliable, high-capacity protection for switchgear and motor control centers. Engineers often battle nuisance trips and costly downtime when protection devices respond too slowly or miscoordinate with control power. This unit features an electrical trip with charge-before-close, three-pole operation, and fusible protection to ensure dependable fault isolation. UL Listed safety certification confirms compliance with industry standards, while its NEMA ratings support use in a range of enclosure environments. By combining a top-feed design with optional ground fault relay, auxiliary contact provisions, and blown fuse detection, this switch offers installation flexibility and long-term cost savings for critical industrial applications such as pumps, fans, and conveyors. In short, it aligns protective reliability with strong total cost of ownership benefits.
Product Information
Extended Description
CB1633T120480GA9 Eaton: Eaton pringle bolted pressure contact switch,BFD with three on lights (trips switch),1600A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480GA9
UPC
782116957057
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
Ground fault with control power transformer
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
BFD with three normally on lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633T120480GA9
Feature: The CB1633T120480GA9 delivers a 1600A amperage rating for heavy motor loads at a 480V system with a 120V control circuit. Business impact: This capability supports high-energy applications without nuisance trips, reducing unplanned downtime and extending motor life. Application: ideal for switchgear, MCCs, and large conveyor drives where high fault current must be interrupted swiftly. Feature: Top feed fuse configuration and ground fault with control transformer. Business impact: simplifies wiring, enhances protection coordination, and enables accurate fault detection at the source. Application: installations with space constraints and needs for reliable ground-fault protection. Feature: NEMA ratings 1, 3R, 4, 12 and fusible protection. Business impact: ensures enclosure compatibility and robust safety margins in harsh industrial environments. Application: industrial panels exposed to dust, splash, or varying temperatures. Feature: BFD with three normally on lights that trip the switch. Business impact: provides immediate visual status, reduces diagnostic time, and improves operator confidence during commissioning. Application: routine maintenance and fast fault verification. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, Auxiliary Contact Provisions. Business impact: scalable protection and diagnostics for retrofit projects and expanding protection schemes. Application: plant-wide protection upgrades and modular control architectures. Feature: UL Listed certification and Eaton support ecosystem. Business impact: ensures compliance with safety standards and access to OEM service, spare parts, and documented installation guidance. Application: new builds and modernization projects in manufacturing facilities.
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FAQs
CB1633T120480GA9 is a top-feed, three-pole device designed for 480V systems. Plan for 16 in length, 28 in height, and 24 in width, with a 180 lb weight. Ensure proper wiring to accommodate 1600A loads, and select optional ground fault, blown-fuse detection, or auxiliary contacts at purchase for future expansion.
The unit provides a 1600A amperage rating, 480V system voltage, and a 120V control circuit in a three-pole configuration with fusible protection. This enables fast fault interruption for large motors, improves trip coordination, and reduces downtime in demanding applications such as pumps, fans, and conveyors.
Yes, the CB1633T120480GA9 is UL Listed, ensuring compliance with safety standards. It supports NEMA enclosure ratings of 1, 3R, 4, and 12, making it suitable for a wide range of industrial environments and protection requirements in switchgear and MCC installations.
Regularly verify trip indicators and fuse status, and perform routine inspections of the control wiring and ground fault connections if installed. Consider the optional blown fuse detection and auxiliary contact provisions for diagnostic capability. Schedule periodic testing to ensure reliable operation and coordinate with plant maintenance to minimize downtime.
Commonly used in switchgear and motor control centers with large motor loads, this device protects pumps, fans, conveyors, and other heavy-duty industrial equipment. Its top-feed configuration and fusible protection support reliable fault isolation in harsh environments, while optional ground fault and auxiliary provisions allow scalable protection strategies.