Eaton CB1633T120480A95 Pressure Switch - UL Listed
Part Number: CB1633T120480A95
Quick Summary
Eaton CB1633T120480A95 bolted pressure contact switch is designed for high‑current motor protection in industrial power distributions. This solution helps prevent costly downtime by delivering reliable protection in demanding environments. In many panels, nuisance trips and miswired protection systems compromise safety and productivity; this switch addresses those challenges with a robust 1600A rating and a precise 1 NO-1 NC configuration. UL Listed, with available NEMA 1, 3R, 4 and 12 ratings, it meets essential safety and environmental requirements. Integrated with top-feed wiring and fusible protection, the unit supports streamlined installation and safer maintenance, while its compatibility with Eaton switching devices strengthens overall system reliability in industrial automation projects.
Product Information
Extended Description
CB1633T120480A95 Eaton: Eaton pringle bolted pressure contact switch,BFD with three on lights (trips switch),1600A,1NO-1NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480A95
UPC
782116957293
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.
Contact configuration
1 NO-1 NC
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
BFD with three normally on 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 - CB1633T120480A95
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 1600A amperage rating enables handling of large motor starts and high-load applications. Business Impact: Reduces voltage drop and circuit stress, improving motor startup performance and extending equipment life. Application: Heavy industrial drives and large conveyors where peak currents approach system limits. Feature: 1 NO-1 NC contact configuration offers flexible control logic and fault isolation. Business Impact: Enables precise trip and close operations with selective protection, lowering false trips. Application: Main switchgear and motor control centers requiring reliable control wiring. Feature: Top feed and fusible protection simplify wiring and enhance protection coordination. Business Impact: Streamlines installation while ensuring coordinated fault protection and easier maintenance. Application: Panel feeders and centralized protection schemes. Feature: UL Listed with NEMA 1, 3R, 4, 12 ratings assures compliance in diverse environments. Business Impact: Reduces design risk and accelerates approval processes for industrial facilities. Application: Outdoor and clean-room approved installations within harsh environments. Feature: Optional ground fault relay, blown fuse detection, auxiliary contact provisions improve safety and diagnostics. Business Impact: Early fault detection minimizes downtime and supports predictive maintenance. Application: Comprehensive protection schemes in process plants and packaging lines. Feature: 120 V control voltage with 480 V system voltage provides versatile integration. Business Impact: Facilitates seamless control circuit interfacing and coordination across multi-voltage panels. Application: Integrated control panels and centralized motor protection systems.
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FAQs
Yes. The CB1633T120480A95 is a three-pole, 3-wire device configured for top feed installations. It supports 1 NO-1 NC contact arrangement and fusible protection, allowing straightforward integration into Eaton switchgear and compatible enclosures with standard mounting patterns and wiring schemes.
It is rated for 1600A with a 120 V control voltage and 480 V system voltage. It includes a fusible protection scheme, three-pole configuration, and a 1 NO-1 NC contact arrangement, enabling reliable protection for high‑current motors and panels while supporting charge-before-close operation.
Industries with large motor loads and stringent protection needs benefit most, such as automotive manufacturing, material handling, process industries, and industrial automation panels. Its NEMA ratings and UL Listing make it suitable for harsh environments and critical control applications.
The switch is UL Listed and offers NEMA ratings 1, 3R, 4, and 12, which help meet safety and environmental requirements across varied installation sites. These certifications simplify regulatory approvals, reduce risk during audits, and support installation in challenging conditions.
Maintenance focuses on confirming fuse integrity, testing auxiliary provisions if installed, and verifying tripping logic. The design supports quick field checks, with optional features like ground fault relay and blown fuse detection enhancing diagnostics. The Eaton warranty provides coverage, improving total cost of ownership over the product lifecycle.