Eaton CB4033T120480G7 Pringle pressure switch - UL Listed
Part Number: CB4033T120480G7
Quick Summary
CB4033T120480G7 is a high-current pringle bolted pressure contact switch for industrial controls. This rugged device is designed to handle demanding start/stop operations in power distribution and machinery control. UL Listed certification provides clear safety compliance, while the NEMA ratings (1, 3R, 4, 12) indicate suitability across environments from guarded enclosures to wash-down areas. The built-in control power transformer and fusible protection streamline wiring and protection, reducing panel footprint and installation time. For engineers, the combination of high amperage, three-pole protection, and simplified wiring translates to lower lifecycle costs and faster project delivery without compromising safety.
Product Information
Extended Description
CB4033T120480G7 Eaton: Eaton pringle bolted pressure contact switch,With control power transformer,4000A,2NO-2NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480G7
UPC
782116950119
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
Ground fault with control power transformer
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
With control power transformer
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB4033T120480G7
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: High current rating up to 4000A. Business Impact: Enables direct switching of large motor loads with minimal auxiliary equipment, reducing contactor counts and wiring complexity. Application: Main switchgear and heavy machinery control where high load switching is required. Feature: Top feed and fusible protection. Business Impact: Simplifies feeder configuration and enhances fault isolation, lowering risk of cascading failures. Application: Distribution panels and industrial switchboards with limited space. Feature: 2 NO-2 NC contact configuration. Business Impact: Flexible control logic for motor starters, interlocks, and safe energization sequences; supports complex control schemes. Application: Multi-point protection and control in packaging, metals, and process lines. Feature: Ground fault with control power transformer. Business Impact: Improves safety and fault-detection coverage, reducing downtime from ground faults. Application: Systems with shared control power sources and protective relays. Feature: Three-pole, 3-wire arrangement with 480V system voltage and 120V control. Business Impact: Clear separation of high and low voltage circuits, improving safety and maintainability. Application: Industrial distribution equipment and electrical switchgear where robust protection is essential. Feature: UL Listed and NEMA 1/3R/4/12 compatibility. Business Impact: Simplifies regulatory compliance and installation in diverse environments, lowering commissioning risk. Application: Hospitals, manufacturing floors, and outdoor or damp locations. The design supports future optional add-ons like Ground Fault Relay or Auxiliary Contact Provisions, aiding long-term scalability and upgradeability in evolving plants.
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FAQs
CB4033T120480G7 is a three-pole, top-feed switch designed for heavy-duty panels. Plan for 17 in length, 28 in height, and 40 in width with a 390 lb weight, ensuring adequate mounting clearance and panel space. Use the top-feeds and fusible configuration to simplify wiring, and consider the optional Ground Fault Relay or Auxiliary Contacts to match your protection scheme.
Key specs include a 4000A amperage rating, 120 V control voltage, 480 V system voltage, fusible protection, and 2 NO-2 NC contact configuration. It is a three-pole, three-wire device with a top-feed design and ground fault with control power transformer capability. UL Listed certifies safety compliance, and NEMA ratings cover multiple enclosure environments.
Yes. The CB4033T120480G7 is purpose-built for switchgear and protection schemes due to its high-current capability, three-pole topology, and fusible protection. Its control power transformer integration reduces panel wiring, while UL Listing and NEMA compatibility support safe deployment in distribution panels, motor control centers, and protected enclosures.
The product is UL Listed, indicating compliance with recognized safety standards. It also carries environmental and enclosure suitability evidenced by its NEMA ratings (1, 3R, 4, 12). Optional features like ground fault relays and auxiliary provisions enhance regulatory alignment for specific industries and installation sites.
The integrated control transformer and fusible protection reduce external components and wiring, lowering maintenance costs and installation time. The durable three-pole design supports long service life under heavy loads, promoting predictable downtime metrics and potentially reducing total cost of ownership through fewer replacements and faster commissioning in new builds or upgrades.