Eaton CB1633T120480AXCT Bolted pressure switch - UL Listed
Part Number: CB1633T120480AXCT
Quick Summary
Eaton CB1633T120480AXCT bolted pressure switch provides trip protection for high-current three-pole 480V systems in industrial panels. That reliability burden is often caused by nuisance trips or slow recovery after faults, but this model mitigates those risks with a robust top-feed design and a charge-before-close mechanism. UL Listed certification accompanies rugged NEMA compatibility for enclosures rated 1, 3R, 4, and 12, supporting safe operation in demanding environments. In addition to dependable protection, it integrates smoothly with low-voltage controls (120 V) and offers optional add-ons such as ground fault relay or blown-fuse detection to improve safety and uptime while reducing total cost of ownership.
Product Information
Extended Description
CB1633T120480AXCT Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),,1600A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480AXCT
UPC
782116957262
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
BFD with no lights (trips switch), with control power transformer
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 - CB1633T120480AXCT
Feature: High-current, three-pole design supports up to 1600A at 480V with 120V control, reducing the need for multiple protective devices and simplifying installation. Business Impact: Improves line protection density and reduces panel footprint, lowering capital cost and wiring complexity. Application: Motor feeders and high-amperage switchgear in manufacturing lines. Feature: Top feed/fuse configuration and charge-before-close switching ensures safe re-energization after a fault. Business Impact: Minimizes post-trip downtime and improves personnel safety during recommissioning. Application: Industrial automation panels and MCCs with frequent cycling. Feature: UL Listed certification and compatibility with NEMA enclosures (1, 3R, 4, 12). Business Impact: Facilitates compliance with electrical codes while delivering rugged performance in wet, dusty, or corrosive environments. Application: Hazardous plants, food & beverage facilities, and outdoor installations. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, and Auxiliary/Kirk provisions. Business Impact: Extends protection coverage, simplifies diagnostics, and reduces unplanned outages. Application: Control circuits requiring enhanced fault detection and expansion capability. Feature: Control power transformer support and integrated protective features (BFD with no lights). Business Impact: Provides consistent coil power for reliable tripping and easier integration with legacy control circuits. Application: Retrofit projects and new builds in low-voltage control systems.
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FAQs
The CB1633T120480AXCT is a three-pole, top-fed switch designed for 480V systems with a 120V control circuit. Plan for a top-feed fuse configuration and ensure appropriate clearance for a 16 in length, 28 in height, and 24 in width enclosure. Accommodate the control power transformer option if required and verify compatibility with auxiliary/provisions kits before mounting.
This switch is rated for 1600A with a 480V system voltage and a 120V control voltage, using fusible protection. It supports NEMA 1, 3R, 4, and 12 enclosures, making it suitable for a range of indoor and outdoor environments. It features three wires and three poles for reliable three-phase protection in high-current applications.
Yes. With its three-pole design, 1600A rating, and fusible protection, CB1633T120480AXCT is well-suited for motor control centers and feeder circuits in industrial facilities. The top-feed configuration and charge-before-close mechanism help ensure safe, controlled re-energization after faults, reducing downtime and improving overall equipment reliability.
The CB1633T120480AXCT carries UL Listed certification, which supports compliance with widely adopted safety standards. It also aligns with multiple NEMA enclosure ratings (1, 3R, 4, 12), offering rugged protection in varied environments. Optional features such as ground fault relay and blown fuse detection further support regulatory and safety requirements.
Expect improved uptime due to reliable tripping and margin for safer re-energization. The unit's optional diagnostics (ground fault, blown fuse detection) help identify faults faster, reducing mean time to repair. Warranty terms provide coverage during the early life cycle, and its compatibility with 120V control circuits simplifies integration with existing control systems, lowering total cost of ownership.