Eaton CB4033T120480AX5 Pringle Bolted Switch - UL Listed
Part Number: CB4033T120480AX5
Quick Summary
Eaton pringle bolted pressure contact switch provides reliable high-current protection for three-pole power distribution in industrial switchgear environments. For engineers and procurement teams, unreliable trips or protection gaps can cause unplanned downtime and safety risks. UL Listed certification underpins safety compliance, and the unit’s rugged NEMA 1, 3R, 4, and 12 ratings support operation in dusty, wet, or harsh installations. This model also supports optional features like ground fault relay, blown fuse detection, and auxiliary contacts, making it easy to tailor protection to your plant. Used with top-feed configurations, 120V control circuits, and 480V main feeds, it delivers robust control without sacrificing installability or serviceability, while helping reduce maintenance costs over the lifecycle.
Product Information
Extended Description
CB4033T120480AX5 Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),4000A,1NO-1NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480AX5
UPC
782116950294
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
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
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
BFD with no 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 - CB4033T120480AX5
Selling Policy 25-000 - Distribution and Control Products and Services
1 NO-1 NC contact configuration simplifies control logic and improves tripping reliability, reducing wiring complexity. In three-pole switchgear, this arrangement aligns with common motor control center schemes, enabling straightforward integration with existing relays and controllers. Top feed design and fusible protection deliver clean wiring and replaceable protection elements, lowering maintenance during outages. The 4000A amperage rating with 480V system voltage suits heavy-duty applications across distribution panels and industrial facilities. The electrical trip with a charge-before-close mechanism ensures safe, controlled switch operation during reset, reducing arcing and improving operator safety. This feature supports predictable energization for critical loads and helps meet plant safety standards. Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, and auxiliary contact provisions are supported to extend protection coverage and enable diagnostics. Kirk provisions add mounting flexibility; auxiliary contacts provide remote signaling for PLCs and SCADA systems. UL Listed certification and NEMA protection ratings ensure compliance and reliable operation in harsh environments. The top-feed, three-wire configuration simplifies installation in dense switchgear, and the one-year warranty provides peace of mind for maintenance budgeting.
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FAQs
CB4033T120480AX5 is designed for top-feed, three-pole, 3-wire configurations with a 1 NO-1 NC contact set and fusible protection. Plan for 480V main feeds and 120V control circuits, and ensure compatibility with optional ground fault relay and auxiliary contact provisions. Consider panel space, mounting provisions (Kirk options), and wiring runs to minimize arcing and downtime during maintenance.
The switch is rated for 4000A amperage with a 480V system voltage and 120V control voltage. It features a 1NO-1NC contact configuration, top feed, fusible protection, and supports NEMA ratings of 1, 3R, 4, and 12, delivering robust protection for heavy-duty switchgear and distribution panels in industrial environments.
Yes. Catalog notes indicate optional Ground Fault Relay integration, along with blown fuse detection, single-phase protection, and auxiliary contact provisions. This enables enhanced fault detection, selective tripping, and easier integration with PLC/SCADA systems for improved plant safety and reliability.
This switch is ideal for high-current switchgear, motor control centers, and plant distribution panels requiring reliable protection and fast trips. Its 3-pole, 3-wire configuration, top-feed design, and fusible protection suit demanding environments in manufacturing, data centers, and process facilities where uptime and safety are critical.
The product carries Eaton's warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This aligns with typical industrial equipment warranties and supports proactive maintenance planning. For service, rely on Eaton's authorized channels and the cited policy to manage coverage and replacement timelines.