Eaton CB4033T120480 Pringle Bolted Pressure Contact Switch - UL Listed
Part Number: CB4033T120480
Quick Summary
The Eaton CB4033T120480 Pringle Bolted Pressure Contact Switch provides high‑amperage protection for industrial power feeds. In demanding switchgear environments, engineers often battle unreliable trips and complex wiring; this unit delivers a charge-before-close sequence and a top-feed configuration to boost reliability and safety. UL Listed with compatible NEMA ratings for enclosures 1, 3R, 4, and 12, it also supports optional features such as Ground Fault Relay and blown fuse detection for critical services. Designed for 480 V systems with a 4000 A rating and a 120 V control circuit, it pairs robust protection with installation simplicity, helping projects meet uptime targets and compliance.
Product Information
Extended Description
CB4033T120480 Eaton: Eaton pringle bolted pressure contact switch,4000A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480
UPC
782116899494
Product Length/Depth
22.5 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
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
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB4033T120480
Feature → Business Impact → Application: Three‑pole, fusible design delivers reliable three‑phase protection for heavy loads. Business impact: reduces nuisance trips and simplifies coordination with feeders in 480 V networks. Application: ideal for large switchgear, MCCs, and panelboards in manufacturing facilities. Feature → Business Impact → Application: Electrical trip with charge‑before‑close enhances switching safety and arc control. Business impact: minimizes inrush and wear on contacts, improving component longevity. Application: suitable for high‑demand motor control and distribution panels. Feature → Business Impact → Application: Amperage rating of 4000 A with 480 V system voltage and 120 V control circuit. Business impact: supports single, robust protection for feeders and feeders with high current requirements, reducing the need for multi‑device assemblies. Application: preferred for main feeders and critical power paths in industrial facilities. Feature → Business Impact → Application: Optional Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection. Business impact: strengthens fault visibility and safety compliance, reducing unplanned downtime. Application: retrofits and new builds in process plants where rapid fault detection is essential. Feature → Business Impact → Application: Top feed configuration and three‑wire design. Business impact: simplifies wiring layouts and enclosure integration, accelerating commissioning. Application: used in compact, rugged switchgear for harsh environments. Feature → Business Impact → Application: NEMA 1, 3R, 4, 12 compatibility. Business impact: ensures regulatory compliance across indoor and outdoor installations. Application: suitable for diverse factory floors and outdoor enclosures where protection ratings matter.
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FAQs
It is a high‑current, three‑pole fusible switch designed for heavy industrial power feeds. It provides reliable protection in switchgear and MCC installations, using a charge‑before‑close mechanism and top‑feed configuration for safer energization.
Install in compatible switchgear or MCC panels with a top-feed configuration. It supports 480 V system voltage, 4000 A rating, and a 120 V control circuit. Plan for the enclosure size (approximately 22.5 in depth, 28 in height, 40 in width) and heavy‑duty mounting to ensure safe handling and service access.
UL Listed certification is included, and the unit is compatible with NEMA 1, 3R, 4, and 12 enclosures, enabling use in indoor and outdoor environments while meeting common regulatory requirements.
Core protections include fusible switching with a three‑pole design, and a 4000 A rating at 480 V. Optional features include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contacts, and Kirk Provisions to enhance fault visibility and system monitoring.
Warranty follows Eaton policy 25‑000: one year from installation or eighteen months from shipment, whichever occurs first. Support covers typical field service, spare parts, and documentation to assist with commissioning and ongoing maintenance.