Eaton CB1233T120480KA97 Pringle bolted pressure switch - UL Listed
Part Number: CB1233T120480KA97
Quick Summary
CB1233T120480KA97 is a high-capacity pringle bolted pressure switch for interlock protection in industrial panels. This concise description addresses the common pain point of nuisance trips and unpredictable shutdowns in heavy machinery. UL Listed with compatible NEMA ratings (1, 3R, 4, 12) provides concrete safety compliance and ruggedness for demanding environments. The combination of a 1200A amperage rating, 480V system voltage, and 120V control voltage supports robust, code-compliant operation. In practice, engineers gain long service life and lower maintenance costs through reliable protection and easy installation. Our team recommends this model for mission-critical lines in manufacturing, packaging, and material handling where uptime and safety are non-negotiable. This alignment with Eaton's switching devices also supports streamlined procurement through a single vendor.
Product Information
Extended Description
CB1233T120480KA97 Eaton: Eaton pringle bolted pressure contact switch,Interlock, BFD with three on lights (trips switch),1200A,2NO-2NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480KA97
UPC
782116955404
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.
Contact configuration
2 NO-2 NC
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, BFD with three normally on 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 - CB1233T120480KA97
Feature → Business Impact → Application: The CB1233T120480KA97 delivers a 1200A amperage rating at 480V system voltage, enabling reliable protection for high-current circuits across heavy machinery and assembly lines. This translates to reduced fuse replacements, lower arc-flash risk, and improved uptime, particularly in continuous-production environments where downtime is costly. Application: large-scale conveyors, presses, and motor-control centers benefit from dependable protection with minimal maintenance. Feature → Business Impact → Application: 2 NO-2 NC contact configuration provides flexible signaling and control options for interlocks and auxiliary circuits, enabling safer start-up sequences and precise fault signaling. Application: safety interlocks and machine-door interlocks in automated lines. Feature → Business Impact → Application: Top feed and fusible protection simplify wiring, polarity management, and protective coordination, reducing installation time and commissioning troubleshooting. Application: switchgear enclosures and modular control panels in harsh environments. Feature → Business Impact → Application: Interlock with charge-before-close mechanism (three normally-on lights) delivers clear operator feedback and prevents premature re-energization, enhancing personnel safety and equipment protection. Application: safety-critical door interlocks and access-controlled machinery. Feature → Business Impact → Application: UL Listed certification and NEMA ratings (1, 3R, 4, 12) ensure regulatory compliance and rugged performance, supporting audits and long service life in industrial plants. Application: food and beverage, metal stamping, and packaging facilities where washdown or dust exposure occurs. Feature → Business Impact → Application: Optional Ground Fault Relay and Blown Fuse Detection expand protection against ground faults and single-phase faults, reducing blind failures and unplanned downtime. Application: electrical safety upgrades on aging lines and new installations needing enhanced fault detection.
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FAQs
Yes. The CB1233T120480KA97 is designed for seamless integration with Eaton switching devices, featuring a top-feed configuration, 2 NO-2 NC contact arrangement, and fusible protection. Its three-pole, 3-wire design supports straightforward wiring within standard Eaton panels, enabling consistent performance alongside other Eaton safety devices and interlocks.
Installers should follow the top-feed orientation to align with existing feed utilities and respect the three-wire, 2NO-2NC configuration. Ensure enclosure clearance for 16 in depth, 28 in height, and 24 in width, with UL-listed components and proper labeling. Verify ground fault relay options and auxiliary provisions meet site safety requirements.
The device incorporates an interlock feature, a charge-before-close mechanism, and three normally-on indicator lights, delivering reliable interlock operation and visible status. Its fusible protection and high current rating reduce the risk of uncontrolled re-energization, protecting personnel and equipment during maintenance and door operations in safety-critical lines.
CB1233T120480KA97 is UL Listed and compatible with NEMA 1, 3R, 4, and 12 enclosures. It supports a 1200A amperage rating, 480V system voltage, and 120V control voltage, making it suitable for harsh industrial environments requiring robust safety and compliance with electrical codes.
The switch reduces downtime through reliable interlock and trip protection, minimizing unplanned shutdowns. Its rugged construction and optional ground fault or blown fuse detection features lower maintenance costs by catching faults early. Long service life and straightforward installation contribute to lower total cost of ownership in high-demand manufacturing settings.