Eaton CB4033T120480GRAX5 Pringle bolted pressure contact switch - UL Listed
Part Number: CB4033T120480GRAX5
Quick Summary
Eaton CB4033T120480GRAX5 pressure contact switch enables fast, reliable circuit interruption in three-pole industrial systems. Operators often face nuisance trips or inconsistent protection in demanding environments, raising downtime and maintenance costs. UL Listed certification underpins compliance, while the unit supports NEMA 1, 3R, 4 and 12 enclosures for versatile installation across locations. Designed for low-voltage distribution and industrial control panels, it combines robust protection with straightforward installation to help you reduce risk and total cost of ownership.
Product Information
Extended Description
CB4033T120480GRAX5 Eaton: Eaton pringle bolted pressure contact switch,Single-voltage relay with capacitor trip device (SPVR), BFD with no lights (trips switch),4000A,1NO-1NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480GRAX5
UPC
782116950010
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
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), BFD with no 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 - CB4033T120480GRAX5
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 4000A amperage rating enables protection of large feeders without equipment upgrades; Business Impact: supports high-current loads with margin for fault conditions; Application: main feeders in heavy manufacturing, steel, and process plants benefit from reliable interruption. Feature: System voltage rated at 480V with a 120V control voltage covers both power and control circuits; Business Impact: reduces the need for separate transformers and simplifies control wiring; Application: three-pole switchgear and distribution panels in industrial facilities benefit. Feature: Top feed fuse configuration and three-pole three-wire design with 1NO-1NC; Business Impact: simplifies field wiring and enables plug-and-play retrofit scenarios; Application: installation in cabinet tops and compact control panels. Feature: Electrical trip with charge-before-close (SPVR) and capacitor trip device; Business Impact: improves safety by ensuring a proven sequence before closing; Application: critical process lines where staged release reduces transients. Feature: UL Listed certification and NEMA ratings (1, 3R, 4, 12); Business Impact: compliance with electrical codes and robust enclosure protection; Optional catalog notes allow Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, and auxiliary provisions. Feature: Top feed and ground fault with control transformer provisions improve installation flexibility; Business Impact: minimizes panel depth requirements and supports Kirk Provisions; Application: integration with existing Eaton panels and spare parts ecosystems.
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FAQs
CB4033T120480GRAX5 is designed for top-feed installation in three-pole switchgear assemblies and can retrofit into compatible Eaton panels. Ensure cabinet clearance matches the 17 in depth, 28 in height, and 40 in width footprint, and verify UL Listed enclosure compatibility. Field options include Ground Fault Relay, Auxiliary Contacts, and Blown Fuse Detection to match safety requirements.
Key specs include a 4000 A amperage rating, 480 V system voltage and 120 V control voltage, 1 NO-1 NC contact configuration, top feed, and fusible protection. It is rated for NEMA 1, 3R, 4, and 12 enclosures and is UL Listed, with a ground fault option via catalog notes to tailor protection.
Yes, with a 4000 A amperage rating and three-pole configuration, CB4033T120480GRAX5 supports large feeders in industrial plants. The top-feed, fusible design simplifies integration into main switchgear, while the 480 V system voltage aligns with common plant power systems. For reliability, consider capacitor trip device SPVR and optioned protections.
The device is UL Listed and carries multiple NEMA enclosure ratings (1, 3R, 4, 12). Optional features include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. Catalog notes indicate these options are AVAILABLE to tailor performance to specific safety and compliance standards.
With a robust electrical trip mechanism and long-life components, the CB4033T120480GRAX5 minimizes nuisance trips and downtime in continuous-running processes. The substantial footprint fits dense panels, reducing space costs, while UL and NEMA compliance lowers risk of non-conformance penalties. Optional diagnostic features help track fault history for predictive maintenance and improved ROI.