Eaton CB1233T120480G Pressure Switch - UL Listed
Part Number: CB1233T120480G
Quick Summary
Eaton CB1233T120480G is a pressure contact switch used for rapid protection in high-capacity distribution panels. Engineers often grapple with limited space, wiring complexity, and the need for reliable fault detection that can slow commissioning. This unit is UL Listed and supports enclosure options from NEMA 1 to NEMA 12, with a control power transformer integration for ground fault and fusible protection. By combining robust protection with straightforward installation, it enhances reliability in industrial control systems and low-voltage power distribution, delivering significant business value through uptime, safety, and ease of maintenance.
Product Information
Extended Description
CB1233T120480G Eaton: Eaton pringle bolted pressure contact switch,With control power transformer,1200A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480G
UPC
782116898671
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
180 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
1200A
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
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB1233T120480G
Selling Policy 25-000 - Distribution and Control Products and Services
High-current performance drives operational efficiency. The CB1233T120480G delivers a 1200A amperage rating with 480V system voltage, enabling it to protect large motors and feeders while reducing the need for upstream protective devices. This translates to lower total installed cost and faster fault isolation in switchgear. The integrated control power transformer and ground fault capability improve safety and reliability, allowing quicker, safer diagnostics during routine maintenance and fault events, which minimizes unplanned downtime in critical plants. Top feed, three-pole, three-wire configuration simplifies installation and wiring density, reducing panel footprint and commissioning time in compact switchgear layouts. NEMA 1, 3R, 4, and 12 compatibility broadens installation options across challenging environments, ensuring dependable protection in harsh or damp conditions. Optional features like Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection extend protection schemes without additional major hardware, delivering stronger safety margins with lower lifecycle costs. The device’s fusible protection aligns with common industrial protection strategies, supporting compliant and cost-conscious maintenance planning.
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FAQs
The CB1233T120480G is designed for three-pole, top-fed configurations in industrial switchgear and distribution panels. It supports 480V system voltage and 120V control voltage, enabling seamless integration with Eaton and third-party switchgear, motor control centers, and panel boards. Its NEMA 1, 3R, 4, 12 compatibility broadens environmental suitability, while the option for a control power transformer simplifies wiring and protection coordination in compact layouts.
With a 1200A amperage rating, the CB1233T120480G is built to handle large feeder and motor loads without frequent device changes. The fusible protection option supports standard overcurrent protection schemes, while the ground fault feature enhances safety during fault events. This combination reduces upstream component stress, minimizes nuisance tripping, and lowers total cost of ownership in high-current switchgear and distribution environments.
Ideal for industrial facilities with heavy electrical demand, including manufacturing, processing plants, and utilities, the CB1233T120480G suits distribution panels, motor control centers, and switchgear cabinets. Its rugged enclosure compatibility (NEMA ratings) and optional fault-detection features support critical applications requiring fast protection, reliable fault signaling, and straightforward maintenance within harsh or damp environments.
The CB1233T120480G is UL Listed, indicating third-party safety compliance for electrical protection devices. This certification supports safe integration into commercial and industrial power distribution systems and aligns with common installer and end-user safety expectations. While other certifications are not listed in the provided data, UL Listing provides a strong baseline for regulatory and procurement considerations in many markets.
Maintenance considerations focus on regular inspection of fusible protection pathways, ground fault integrity, and transformer health. The unit’s optional features—Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection—help reduce unplanned downtime by enabling proactive fault detection and selective replacement. The durable 180 lb, 16x28x24 in enclosure supports long service life in demanding environments, delivering a favorable return on investment through improved reliability and reduced maintenance costs.