Eaton CB1233T120480GRAO bolted pressure switch - UL Listed
Part Number: CB1233T120480GRAO
Quick Summary
Eaton CB1233T120480GRAO bolted pressure switch protects high-current power distribution panels in industrial environments. This device is designed to deliver reliable protection in main switchgear and motor control centers, reducing unplanned downtime due to fault conditions. UL Listed certification and enclosure compatibility with NEMA 1, 3R, 4, 12 ensure safe operation across diverse environments. With a three-pole, fusible configuration and ground fault integration, it provides dependable single-phase protection, including a capacitor trip device (SPVR) and visible fault indicators. For maintenance teams and procurement, the 1200A rating, 480V system, and 120V control voltage translate into streamlined sourcing, fewer SKUs, and lower lifecycle costs.
Product Information
Extended Description
CB1233T120480GRAO Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three off lights (does not trip),1200A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480GRAO
UPC
782116955503
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
Single-phase voltage relay with capacitor trip device (SPVR), BFD with three normally off lights (does not trip)
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 - CB1233T120480GRAO
Feature: 1200A amperage rating with 480V system voltage → Business Impact: Enables protection for large feeders and motor circuits without multiple devices, reducing panel footprint and coordination complexity → Application: Large switchgear, motor feeders in manufacturing and processing facilities. Feature: SPVR capacitor trip device with ground fault → Business Impact: Improves selective tripping, minimizes nuisance trips, and enhances personnel safety → Application: Single-phase protection within 3-pole distribution schemes. Feature: Top-feed, three-pole, fusible configuration with ground fault transformer → Business Impact: Simplifies installation in existing panels and improves fault isolation reliability → Application: New builds and retrofits in industrial plants requiring robust protection. Feature: Three-wire design with visible diagnostic indicators (BFD lights) → Business Impact: Quick fault diagnosis reduces maintenance time and downtime → Application: Field service and commissioning in complex power complexes. Feature: UL Listed and compatible with NEMA ratings (1, 3R, 4, 12) → Business Impact: Ensures regulatory compliance and safe operation across harsh environments → Application: Data centers, pharmaceutical facilities, and heavy manufacturing.
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FAQs
Install CB1233T120480GRAO with top-feed wiring and a three-pole, fusible configuration. Ensure adequate clearance for a 16 in depth, 24 in width, and 28 in height footprint and proper grounding per the ground-fault transformer. Route 120V control wiring separately from 480V feeders and verify any auxiliary contact provisions during commissioning.
The switch is rated for 1200A and 480V system voltage, with a 120V control voltage. It supports three-pole, three-wire operation and fusible protection, along with SPVR capacitor trip and ground-fault capabilities. Enclosure compatibility includes NEMA 1, 3R, 4, and 12 for diverse installation environments.
Yes. Its three-pole, high-current design and 480V capability make it suitable for large motor feeders and switchgear in manufacturing, data centers, and processing facilities. The SPVR trip, fault diagnostics, and UL-listed certification help ensure reliable protection with minimal downtime and clear fault signaling during maintenance.
CB1233T120480GRAO carries UL Listed certification, ensuring recognized safety compliance for electrical devices. It is compatible with NEMA-rated enclosures (1, 3R, 4, 12), aiding installation in environments with dust, moisture, or corrosion exposure. While CE and SIL certifications are not listed in the data, the UL listing and enclosure ratings provide strong, industry-accepted protection and compatibility.
Eaton provides a standard warranty per policy 25-000: one year from the date of installation or eighteen months from shipment, whichever occurs first. Support includes access to product datasheets, installation notes, and the Eaton specification sheet. Optional features like Ground Fault Relay and auxiliary provisions are available to tailor the protection scheme to site requirements.