Eaton CB1233B120480K7 Bolted pressure switch - UL Listed
Part Number: CB1233B120480K7
Quick Summary
Eaton CB1233B120480K7 bolted pressure switch delivers high-current control for industrial power distribution. This model addresses downtime caused by nuisance trips and ground-fault vulnerabilities during heavy-load operation. UL Listed certification underpins safety and reliability, with compatible enclosure ratings including NEMA 1, NEMA 3R, NEMA 4, and NEMA 12 to handle rugged environments. By combining fusible protection, interlock capability, and a 1200A rating with 480V system voltage, it supports compliant, scalable power distribution across demanding facilities. For engineers and procurement teams, the bottom-feed design simplifies wiring in tight switchgear panels, while optional features and auxiliary provisions enable tailored protection without overhauling existing infrastructure.
Product Information
Extended Description
CB1233B120480K7 Eaton: Eaton pringle bolted pressure contact switch,Interlock,1200A,2NO-2NC,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B120480K7
UPC
782116956203
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
200 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
2 NO-2 NC
Feed type
Bottom
Fuse configuration
Bottom 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
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1233B120480K7
Feature: 1200A amperage rating combined with 2NO-2NC contact configuration enables direct switching of large feeders, reducing the number of control points needed and cutting panel footprint. Business Impact: Improves reliability and safety margins for high-load applications while enabling more compact, cost-efficient switchgear installations. Application: Suitable for large motor feeders and power distribution panels in manufacturing and process facilities. Feature: Three-pole design with bottom feed and fusible protection provides integrated fault containment and straightforward wiring access. Business Impact: Simplifies installation, lowers wiring errors, and enhances protection coordination in rugged environments. Application: Ideal for retrofit projects and new builds requiring robust, code-compliant protection in compact foot prints. Feature: Interlock and optional ground fault relay support reduce startup risk and protect personnel and equipment. Business Impact: Minimizes nuisance trips, improves safety compliance, and supports predictive maintenance programs. Application: Relevant for facilities with strict interlock sequencing and ground fault monitoring requirements. Feature: 120V control voltage and 480V system voltage with UL Listed certification ensure compatibility with common plant control schemes while maintaining safety credibility. Business Impact: Enables seamless integration with existing control cabinets and safety interlocks, reducing integration time and kickoff costs. Application: Fits standard low-voltage control panels and high-voltage distribution systems across diverse industries. Feature: NEMA 1, 3R, 4, 12 enclosure ratings and fusible protection deliver rugged performance in harsh environments. Business Impact: Extends service life in dirty, damp, or outdoor settings and supports regulatory compliance across jurisdictions. Application: Suitable for mills, chemical plants, and heavy equipment rooms where environmental protection matters.
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FAQs
CB1233B120480K7 is designed for bottom-feed configurations with a three-pole, 2NO-2NC contact arrangement. When installing, verify compatible enclosure ratings (NEMA 1/3R/4/12) and ensure correct wiring of the 120V control circuit to the 120V control voltage source. Leveraging the bottom-feed design can simplify cabinet layout and reduce field wiring time during installation.
The device is rated for 1200A with a 480V system voltage and 120V control voltage. It features fusible protection and three-pole operation with 2NO-2NC contact configuration. The switch is UL Listed and supports interlock functionality, making it suitable for high-current power distribution and safety-critical applications in industrial environments.
Yes. With a 1200A rating, 480V system voltage, and fusible protection, CB1233B120480K7 is well-suited for large motor feeders and heavy-duty feeders in manufacturing. Its interlock option and optional ground fault relay enhance safety sequencing, while NEMA compatibility ensures enclosure suitability in harsh plant environments.
The CB1233B120480K7 carries UL Listed certification, underscoring safety and reliability for industrial electrical installations. Packaged with robust enclosure compatibility (NEMA 1/3R/4/12), it supports regulatory compliance across a variety of facilities. Optional features like ground fault detection further bolster protection and regulatory alignment in sensitive environments.
Eaton provides a warranty policy (25-000) that covers one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, the unit’s modular design and documented optional provisions (ground fault relay, auxiliary contacts) simplify serviceability and future upgrades, while the UL Listing supports diagnostic and preventative maintenance programs with manufacturer guidance.