Eaton CB1633B120480KA97 Pringle Bolted Pressure Switch - UL

Part Number: CB1633B120480KA97
CB1633B120480KA97
Manufacturer
Eaton
Part number
CB1633B120480KA97
Category

Quick Summary

CB1633B120480KA97 is a high‑capacity pressure contact switch used in industrial power distribution and safety interlocks. It targets demanding motor control environments where reliable trip timing and fault protection are essential. The unit carries UL Listed certification and supports rugged NEMA enclosures, including 1, 3R, 4, and 12, so it performs in wet, dusty, or corrosive sites. With a 480 V system rating, 1600 A amperage, and 120 V control voltage, it delivers strong protection while simplifying wiring and maintenance. This combination enables faster commissioning, longer service life, and lower incidental downtime, making it a trusted choice for panel builders and end users seeking dependable control within tight space constraints.

Product Information

Extended Description

CB1633B120480KA97 Eaton: Eaton pringle bolted pressure contact switch,Interlock, BFD with three on lights (trips switch),1600A,2NO-2NC,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120480KA97
UPC
782116958375
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.
Contact configuration
2 NO-2 NC
Feed type
Bottom
Fuse configuration
Bottom 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
Interlock, 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 - CB1633B120480KA97
Feature: High current capability and three-pole 2NO-2NC contact configuration enable single-device control of large motor loads, reducing the need for paralleling and minimizing wiring complexity. Business impact: Lower panel density, fewer spare parts, and improved reliability in motor control centers. Application: Main switchgear and distribution panels handling high-power loads. Feature: 480 V system voltage with 120 V control voltage and fusible protection provides clear separation between powered circuits and control logic, improving safety and fault isolation. Business impact: Enhanced protection and easier troubleshooting, reducing mean time to repair. Application: Industrial automation panels and safety interlocks in harsh environments. Feature: Bottom feed and bottom fuse configuration streamline wiring during installation and service, enabling cleaner enclosures and simpler future upgrades. Business impact: Faster commissioning, reduced labor costs, and easier inspection. Application: Front- or rear-access panels in compact control cabinets. Feature: Interlock function with three normally-on lights (trips switch) improves visibility of switch status and fault conditions. Business impact: Safer operation, quicker fault identification, and compliance with safety protocols. Application: Machine safety interlocks in production lines and automated equipment. Feature: UL Listed certification and NEMA compatibility (1, 3R, 4, 12) ensure regulatory compliance and reliable enclosure performance in challenging plants. Business impact: Simplified procurement, verified performance, and reduced risk of noncompliance. Application: Panel builders targeting regulated industries and outdoor or dirty environments. Feature: Optional enhancements such as Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions provide flexible protection and extend installation options. Business impact: Customizable protection schemes, minimized downtime, and scalable safety features for evolving plant needs. Application: Serviceability in legacy systems and future-proofed control panels.

Get a Quick Quote for a Eaton CB1633B120480KA97

Chat with us on WhatsApp - fast responses guaranteed

Need to speak with someone? We'll call you back within 2 hours during business hours

Interested in Eaton CB1633B120480KA97? Enquire Now

FAQs

CB1633B120480KA97 is designed for bottom-feed wiring in three-pole configurations with 2NO-2NC contacts. When installing, confirm panel clearances accommodate a 16 in length, 32 in height, and 24 in width, and ensure fuse access aligns with bottom feed provisions. Verify control voltage wiring at 120 V and system voltage rating of 480 V, while observing UL Listed installation guidelines for safe operation and reliability.
Key specs include a 1600 A amperage rating, 480 V system voltage, 120 V control voltage, 3 poles with 2NO-2NC contacts, bottom feed and fusible protection, and NEMA enclosure compatibility. The device is UL Listed and intended for robust industrial use with interlock features and optional auxiliary provisions to support complex control architectures.
Yes, CB1633B120480KA97 is UL Listed. It supports NEMA enclosures such as NEMA 1, NEMA 3R, NEMA 4, and NEMA 12, making it suitable for indoor and outdoor or dirty environments. Optional features like ground fault and auxiliary provisions expand compatibility with a variety of protection schemes while maintaining regulatory compliance.
Best suited for motor control centers, safety interlocks on production lines, and distribution panels in harsh industrial environments. Its 480 V system rating and 1600 A capacity support heavy-duty wiring, while the 120 V control voltage enables straightforward integration with standard control circuits. The interlock feature and bottom-feed configuration simplify installation and maintenance.
The device reduces downtime through reliable trip timing and fault protection, while its bottom-feed design simplifies wiring and future upgrades. UL Listing and NEMA compatibility improve compliance and protection against environmental factors. Optional features like ground fault relay and auxiliary contacts offer scalable protection and easier maintenance, translating to lower total cost of ownership over the lifecycle of the panel.