Eaton CB1233T120480K - Pringle bolted pressure switch UL Listed
Part Number: CB1233T120480K
Quick Summary
CB1233T120480K is a high-capacity pringle bolted pressure contact switch for industrial power distribution and motor-control panels. Engineers often wrestle with reliable isolation, fuse coordination, and nuisance trips in large feeders, making robust protection essential. UL Listed certification underpins safety compliance, while the unit’s NEMA ratings (1, 3R, 4, 12) support installation in varied environments. This model also offers top-feed capability, three-pole operation, and interlock options, delivering installation flexibility and enhanced protection for demanding switchgear. In short, it combines proven safety with practical uptime and lifecycle cost advantages for industrial power systems.
Product Information
Extended Description
CB1233T120480K Eaton: Eaton pringle bolted pressure contact switch,Interlock,1200A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480K
UPC
782116955480
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
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
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
Interlock
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 - CB1233T120480K
Feature: High current capability up to 1200A. Business Impact: Supports large feeders and heavy motor loads without compromising protection. Application: Switchgear and motor control centers requiring high amperage in a compact footprint. The robust current rating reduces the need for downstream devices and simplifies coordination. Feature: 120V control voltage with 480V system voltage. Business Impact: Enables seamless integration with existing plant controls while delivering safe, segregated control circuits. Application: Plant-wide control panels and subsystem interlocks. This compatibility minimizes wiring complexity and accelerates commissioning. Feature: Three-pole, three-wire topology with top feed. Business Impact: Simplifies cabinet layout, improves busbar connections, and enhances enclosure safety. Application: Large electrical cabinets and switchgear assemblies. This layout supports reliable fault clearance and easier maintenance. Feature: Electrical trip with charge-before-close mechanism. Business Impact: Reduces inrush and arc energy during switching, boosting operator safety and equipment life. Application: High-energy fault protection in industrial systems. Feature: Interlock and optional Ground Fault Relay, auxiliary contact provisions. Business Impact: Enhances safety interlock control and fault detection, reducing nuisance trips and enabling extended protection schemes. Application: Enclosed equipment where interlock compliance and ground-fault monitoring are required. Feature: Fusible protection and NEMA-rated enclosure compatibility (1, 3R, 4, 12). Business Impact: Provides selectable protection and environmental resilience for harsh environments. Application: Harsh factory floors, outdoor or damp locations, and dust-prone areas. This combination supports maintenance intervals and compliance with industry norms while enabling reliable, long-term operation.
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FAQs
The CB1233T120480K is designed for top-feed installation in three-pole, three-wire configurations with fusible protection. Ensure enclosure clearance matches the 16 in depth, 28 in height, and 24 in width footprint and verify UL Listed requirements. Consider the optional ground fault relay, auxiliary contacts, and interlock provisions to tailor protection and interlock behavior to your cabinet layout and safety standards.
Key ratings include 1200A amperage, 120 V control voltage, 480 V system voltage, and fusible protection. The device is rated for NEMA 1, 3R, 4, and 12 enclosures, which supports diverse environments. This combination enables precise fuse coordination, reliable fault clearing, and safer operation in high-demand feeders and motor-control centers.
Yes. Its three-pole, three-wire topology, 480V system compatibility, and 120V control side are ideal for MCCs and line-side protection in manufacturing. Optional features like Ground Fault Relay and auxiliary contacts help integrate into advanced protection schemes, while the interlock option supports sequence control and safe maintenance workflows.
The CB1233T120480K is UL Listed, confirming compliance with essential safety standards. It also supports NEMA enclosure ratings of 1, 3R, 4, and 12, indicating suitability for varied environments. Optional features and Eaton’s documentation further support compliance with plant safety programs and maintenance practices.
The bolted pressure contact design provides durable, low-wear switching with centralized protection. The availability of optional Ground Fault Relay and auxiliary provisions reduces downtime by enabling rapid fault diagnosis and selective protection. When paired with a solid warranty and Eaton’s support ecosystem, it contributes to lower total cost of ownership in high-usage facilities.