Eaton CB1633B120480GAR - Bolted Pressure Switch, UL Listed
Part Number: CB1633B120480GAR
Quick Summary
CB1633B120480GAR bolted pressure switch protects 480V three‑phase panels by delivering fast, reliable trips in industrial power distribution. Operators and engineers often struggle with nuisance trips and slow fault isolation in high-density control rooms, which drives unnecessary downtime. UL Listed certification provides essential safety compliance, and the device supports rugged NEMA enclosures (NEMA 1, 3R, 4, 12) to withstand harsh environments. This model combines a 1600A current rating with 120V control and fusible protection, while optional Ground Fault Relay and Auxiliary Contact provisions enable precise coordination with plant protection schemes. The bottom-feed configuration and three‑pole design simplify installation in existing switchgear and support scalable, maintainable protection across facilities.
Product Information
Extended Description
CB1633B120480GAR Eaton: Eaton pringle bolted pressure contact switch,BFD with three off lights (trips switch),1600A,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120480GAR
UPC
782116958566
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
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 off 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 - CB1633B120480GAR
Feature → Business Impact → Application: Amperage Rating 1600A enables heavy motor loads to be interrupted quickly without panel spiking, reducing arc flash risk and unplanned downtime in motor control centers. Application: large machinery, conveyors, and production lines where peak currents approach 1600A. Feature → Business Impact → Application: System Voltage 480V supports standard industrial three‑phase distribution, enabling seamless integration with existing 480V feeders and switchgear. Application: plant-wide protection in manufacturing environments with high power demand. Feature → Business Impact → Application: 3-Pole, 3-Wire design simplifies wiring and coordination with upstream breakers, improving installation time and accuracy. Application: MCCs and distribution panels requiring coordinated multi‑pole protection. Feature → Business Impact → Application: Bottom Feed and Fusible Protection provide straightforward mounting and reliable interruption with fuse coordination, reducing wiring complexity and improving maintenance access. Application: retrofit projects in legacy panels and new installations in compact spaces. Feature → Business Impact → Application: Optional Ground Fault Relay, Blown Fuse Detection, and Single‑Phase Protection expand safety coverage, enabling compliance with safety standards and targeted fault detection. Application: facilities needing enhanced fault sensing and selective protection. Feature → Business Impact → Application: BFD with three normally off lights (trips switch) offers immediate trip status visibility, accelerating troubleshooting and maintenance planning. Application: control rooms and industrial environments where quick human-readable feedback is critical.
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FAQs
CB1633B120480GAR supports bottom-feed installations and three-pole wiring, making it compatible with many legacy and modern switchgear configurations. Ensure the panel enclosure permits a 16 in L x 24 in W x 32 in H footprint and that the bottom feed arrangement aligns with your bus and pull‑through clearances. Verified compatibility reduces retrofit risk and shortens commissioning time.
This Eaton switch is rated for 1600A with a 480V system voltage and 120V control voltage. It is fusible protection and designed for three-pole, three-wire operation. Such ratings enable coordination with standard 480V panels, motor starters, and protection schemes, while facilitating straightforward bus tapping and interlock integration.
Yes. The device carries UL Listed certification and supports NEMA ratings including NEMA 1, 3R, 4, and 12, indicating protective enclosures for dust, water, and mechanical exposure. Optional features like Ground Fault Relay and auxiliary provisions further enhance safety in demanding environments such as packaging, metals, and heavy manufacturing.
Catalog notes indicate optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. These options enable selective coordination, improved fault detection, and expanded control wiring, delivering enhanced safety, compliance, and maintenance visibility in complex power distributions.
With fusible protection and a robust, bottom-feed design, maintenance focuses on fuse condition checks, contact integrity, and wiring terminations during planned outages. Optional ground fault and auxiliary features reduce nuisance trips and facilitate easier diagnostics. Its UL listing and solid enclosure ratings support long service life in industrial environments, delivering predictable ROI through reduced downtime.