Eaton CB1233T120480GR7 Bolted Pressure Switch - UL Listed
Part Number: CB1233T120480GR7
Quick Summary
Eaton CB1233T120480GR7 bolted pressure switch is designed for high-amp motor protection in industrial power distribution. Engineers often confront unreliable trip devices and maintenance-heavy protection schemes that delay startups and escalate downtime. This model carries UL Listed certification and is compatible with NEMA 1, 3R, 4, and 12 environments, with optional ground fault relay and SPVR features for enhanced protection. Its top-feed, three-pole architecture simplifies wiring while delivering reliable electrical trip with a capacitor trip device. By combining robust protection with flexible signaling and rugged construction, it helps plants meet safety standards and reduce total cost of ownership over the equipment lifecycle.
Product Information
Extended Description
CB1233T120480GR7 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR),1200A,2NO-2NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480GR7
UPC
782116955589
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
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)
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 - CB1233T120480GR7
Feature: 1200A amperage rating and 480V system voltage. Business Impact: Enables direct control of large motors, reducing auxiliary devices and wiring complexity. Application: Large motor starters and switchgear in heavy industry benefit from improved efficiency and lower installation costs. Feature: Single-phase voltage relay with capacitor trip device (SPVR). Business Impact: Delivers faster, more reliable trips and lower nuisance trips, improving process uptime. Application: Critical single-phase protection in MCCs and processing lines. Feature: 2 NO-2 NC contact configuration. Business Impact: Provides flexible control and signaling for interlocks and safety circuits, simplifying wiring design. Application: Control circuits and motor protection schemes requiring multiple signaling points. Feature: NEMA-rated enclosure compatibility (1, 3R, 4, 12). Business Impact: Withstands harsh environments, reducing maintenance cycles and enclosure replacements. Application: Plant floors, outdoor installations, and washdown areas. Feature: Optional Ground Fault Relay, Blown Fuse Detection. Business Impact: Enhances safety and fault detection, lowering the risk of undetected faults and unplanned outages. Application: Critical power distribution and safety interlocks in industrial facilities. Feature: Top feed and fuse configuration for ease of wiring. Business Impact: Simplifies installation and service, decreasing commissioning time. Application: Three-wire, top-fed protection schemes in switchgear assemblies.
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FAQs
For optimal installation, position the CB1233T120480GR7 in a chassis that supports three-wire, top-feed configurations and accommodates fusible protection. Ensure the control voltage is wired to 120 V and verify the system voltage rating of 480 V. The device’s 2 NO-2 NC contacts should be wired to the appropriate interlocks and signaling circuits to enable safe, reliable motor protection.
Key specs include 1200A amperage rating, 120 V control voltage, 480 V system voltage, top-feed fuse configuration, and a 2 NO-2 NC contact arrangement. It is designed for three-pole applications with fusible protection, and supports single-phase protection with SPVR. Verify UL Listed certification and compatibility with your enclosure’s NEMA rating requirements.
Yes. The device carries UL Listed certification and is compatible with NEMA 1, 3R, 4, and 12 enclosures, making it suitable for a range of harsh environments. Optional features include Ground Fault Relay and Blown Fuse Detection, which enhance fault detection and safety, reducing downtime and improving compliance in demanding facilities.
The CB1233T120480GR7 is UL Listed, confirming compliance with recognized safety standards for electrical protection equipment. Its NEMA-rated enclosure compatibility (1, 3R, 4, 12) supports installation in diverse environments, from general purpose to harsh, washdown, or outdoor conditions. Optional features like SPVR further align with modern protection schemes required by many industrial standards.
The switch provides high-current capability and reliable capacitor-trip protection (SPVR), which reduces nuisance trips and startup delays. Its robust construction and compatibility with standard switchgear lower maintenance costs and downtime, while UL Listing and NEMA-rated enclosures support regulatory compliance. The result is improved uptime, safer operation, and a lower total cost of ownership over equipment life.