Eaton CB4033T120480GR Pringle bolted switch - UL
Part Number: CB4033T120480GR
Quick Summary
Eaton CB4033T120480GR is a high-current bolted pressure contact switch for industrial switchgear protection. Engineers often struggle with reliable trip performance and clear, supplier-verified documentation for complex protection schemes. UL Listed certification ensures safety compliance, while the integrated NEMA ratings—NEMA 1, 3R, 4 and 12—support installation in a range of environments. The product combines a three-pole, three-wire design with a top-feed fusible configuration, which simplifies sourcing and reduces field wiring errors. This solution delivers reliable ground fault protection with a capacitor trip device (SPVR) and supports common protection schemes, helping you meet safety, uptime, and maintenance objectives while keeping procurement streamlined with Eaton’s datasheets and catalogs.
Product Information
Extended Description
CB4033T120480GR Eaton: Eaton pringle bolted pressure contact switch,Single-voltage relay with capacitor trip device (SPVR),4000A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480GR
UPC
782116899555
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.
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
Single-voltage relay with capacitor trip device (SPVR)
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 - CB4033T120480GR
Feature: Three-pole design with top-feed configuration. Business Impact: Reduces wiring complexity and enhances fault isolation for reliable operation. Application: Well-suited for 480 V, three-phase feeders in industrial switchgear requiring 4000 A protection with fusible elements. Feature: Single-voltage relay with capacitor trip device (SPVR). Business Impact: Provides precise timing and pre-charge control before closing, improving trip performance. Application: Used in motor control centers and heavy distribution panels where fast, controlled interruption is critical. Feature: Optional Ground Fault Relay and auxiliary provisions (Catalog Notes) available. Business Impact: Allows tailored protection schemes and expandability as the system grows. Application: For projects requiring ground fault protection, auxiliary contact provisions, and Kirk provisions. Feature: UL Listed certification and broad enclosure compatibility (NEMA 1, 3R, 4, 12). Business Impact: Simplifies regulatory compliance and reduces risk during audits. Application: Retrofit or new installations in varied environments from manufacturing floors to service centers. Feature: Robust physical build with clear documentation. Business Impact: Provides durable, field-ready equipment with predictable service life, simplifying installation planning. Application: Fixed installations in switchgear rooms where space allows and long-term reliability is essential.
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FAQs
Yes. The CB4033T120480GR is a three-pole, three-wire device with top-feed configuration designed for 480 V systems. It aligns with common switchgear footprints and uses fusible protection, making it compatible with standard industrial panels and main feeders.
Key ratings include a 4000 A amperage rating, 120 V control voltage, and 480 V system voltage. It provides fusible protection and supports a ground fault with control power transformer, plus a capacitor trip device (SPVR) for reliable operation.
The product carries UL Listing and is compatible with multiple NEMA enclosure types, specifically NEMA 1, 3R, 4, and 12. This makes it suitable for factory floors, outdoor-rated spaces, and other challenging environments when properly installed.
Eaton provides comprehensive resources, including the Eaton Specification Sheet for CB4033T120480GR and relevant catalog documents. Additional multimedia resources and datasheets are available to streamline commissioning and servicing.
With a robust SPVR-capable design, fusible protection, and ground fault features, this switch minimizes downtime by delivering fast, predictable trips. The UL Listed certification and standard documentation help reduce commissioning risk, while the durable build supports longer service life in demanding environments.