Eaton CB1233B120480GAO Bolted Pressure Contact - UL
Part Number: CB1233B120480GAO
Quick Summary
Eaton CB1233B120480GAO is a bolted pressure contact switch designed for high‑current protection in industrial control panels. Engineers often face nuisance trips and maintenance downtime in heavy machinery, especially in 480 V closed‑loop systems. This device emphasizes controlled trip logic and fault tolerance to minimize unplanned outages while simplifying service routines. Key certifications and standards include UL Listed, compatible with NEMA 1, 3R, 4, and 12 enclosures, providing robust enclosure protection. With 1200 A at 480 V and 120 V control voltage, it integrates into modern power distribution schemes, delivering reliable performance and easier maintenance. Optional Ground Fault Relay and auxiliary contact provisions further streamline protection strategies for industrial plants.
Product Information
Extended Description
CB1233B120480GAO Eaton: Eaton pringle bolted pressure contact switch,BFD with three off lights (does not trip),1200A,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B120480GAO
UPC
782116898572
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.
Feed type
Bottom
Fuse configuration
Bottom 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
BFD with three normally off lights (does not trip)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1233B120480GAO
High current rating and voltage compatibility enable single‑unit protection in large feeders, reducing equipment count and wiring complexity. The CB1233B120480GAO is rated for 1200 A at 480 V with a 120 V control circuit, simplifying coordination within power distribution panels and lowering installation costs while boosting system reliability. Three‑pole construction with bottom feed streamlines panel mounting and wiring routing, cutting install time and improving serviceability. Ground fault capability with transformer support and optional auxiliary contacts simplify fault detection and remote signaling, increasing safety and control readiness in critical processes. Fusible protection and a charge‑before‑close mechanism enhance fault isolation and safe energization, while compatibility with UL and multiple NEMA enclosures supports compliance and versatile installation in harsh environments. Optional features such as Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions offer tailored protection strategies for complex industrial plants.
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FAQs
The CB1233B120480GAO uses a bottom feed configuration with three poles, designed for straightforward mounting in standard control panels. Plan for 480 V system connections and a 120 V control circuit, ensure enclosure supports UL Listed equipment, and verify available auxiliary or ground fault options before wiring. Follow Eaton’s installation sheet for torque specs and clearance requirements to maximize reliability.
Key ratings include 1200 A amperage, 480 V system voltage, and 120 V control voltage. The device is fusible and designed for NEMA 1, 3R, 4, 12 enclosures, offering robust protection in varied environments. With three poles and three wires, it suits heavy-duty switchgear and power distribution applications while maintaining coordinated protection.
Yes. The switch is specified for 480 V systems with a 120 V control voltage and three‑pole configuration, delivering reliable protection in industrial Power Distribution and Switchgear environments. Its NEMA enclosure compatibility and UL Listed certification further support compliant use in demanding manufacturing or processing facilities.
The CB1233B120480GAO carries UL Listed certification, indicating compliance with recognized safety standards for electrical equipment. It also supports enclosure compatibility with NEMA 1, 3R, 4, and 12, helping ensure safe operation across a range of industrial environments and installation scenarios.
Consolidating protection into a single high‑current, bolted contact switch reduces device count and wiring complexity, lowering installation time and ongoing maintenance costs. The option for ground fault relay, blown fuse detection, and auxiliary provisions provides flexibility to tailor protection schemes, improving uptime, safety signaling, and overall plant reliability.