Eaton CB4033T120480KA97 Pringle bolted pressure contact switch - UL Listed
Part Number: CB4033T120480KA97
Quick Summary
Eaton CB4033T120480KA97 is a bolted pressure contact switch used for heavy-duty safety interlocks in industrial systems. It provides reliable high-current isolation and programmable fault protection for complex motor control centers and machine safety circuits under demanding operating conditions. UL Listed certification ensures safe electrical installations, and the product supports protective enclosures across multiple NEMA configurations including 1, 3R, 4 and 12. With its 2NO-2NC contact arrangement, three-pole design, top-feed configuration, and fusible protection, it integrates smoothly into existing gear while delivering predictable trip behavior and reduced maintenance cycles. This makes it a compelling choice for industrial switchgear, control panels, safety interlocks, and automated lines where uptime and compliance matter for the business.
Product Information
Extended Description
CB4033T120480KA97 Eaton: Eaton pringle bolted pressure contact switch,Interlock, BFD with three on lights (trips switch),4000A,2NO-2NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480KA97
UPC
782116949908
Product Length/Depth
17 in
Product Height
28 in
Product Width
40 in
Product Weight
390 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
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
4000A
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
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB4033T120480KA97
Feature: High-current capability of 4000A; Business Impact: Enables reliable switching for large motors and high-load circuits, reducing the risk of voltage drop and arcing; Application: Motor control centers and high-power conveyors. Feature: 2NO-2NC contact configuration; Business Impact: Provides flexible signaling and interlock logic for safety circuits, improving diagnostics and fault isolation; Application: Safety interlocks in automated lines. Feature: Top-feed and fusible protection; Business Impact: Simplifies wiring, enhances protection, and facilitates quick fuse replacement, minimizing downtime; Application: Control panels in rugged environments. Feature: Interlock with BFD and three normally-on lights; Business Impact: Clear fault indication improves operator response and preventive maintenance scheduling; Application: Machine safety interlocks in presses and packaging lines. Feature: NEMA-rated enclosure compatibility (NEMA 1, 3R, 4, 12); Business Impact: Ensures dependable operation in diverse environments, extending service life; Application: Enclosed switchgear and outdoor or dusty environments.
Get a Quick Quote for a Eaton CB4033T120480KA97
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 CB4033T120480KA97?
Enquire Now
FAQs
The CB4033T120480KA97 is designed to integrate with Eaton switching devices and standard control panel architectures. Its three-pole, 2NO-2NC configuration aligns with common safety interlock circuits, enabling straightforward wiring within existing trunking and busbar layouts. For retrofit projects, verify enclosure space, top-feed routing, and compatibility with optional auxiliary provisions or Kirk provisions as noted in the catalog notes.
This switch features an amperage rating of 4000A, with a system voltage of 480V and a control voltage of 120V. It offers 2 normally open and 2 normally closed contacts (3-pole, 3-wire), fusible protection, and an electrical trip with a charge-before-close mechanism. Optional features include ground fault detection and auxiliary contact provisions to tailor protection for specific machines.
Ideal for heavy-duty safety interlocks in motor control centers, packaging lines, conveyors, presses, and other automated machinery. It supports top-feed wiring and 3-phase protection, making it suitable for control panels that require reliable high-current switching, clear fault indication, and robust enclosure protection in challenging environments.
CB4033T120480KA97 is UL Listed, providing assurance for safe electrical installations. It also supports NEMA-rated enclosures including 1, 3R, 4, and 12, enabling deployment across indoor, outdoor, dusty, and wet environments. When selecting a enclosure, consider the installation space, wiring access, and the need for optional features like ground fault relays or auxiliary contacts.
The bolted pressure design delivers reliable trip behavior with minimal false trips, reducing unplanned downtime. Its rugged construction and protective features translate to longer service intervals in demanding environments, lowering maintenance costs and extending equipment life. For ROI, expect improved uptime, safer operation, and easier regulation compliance in safety-critical lines.