Eaton CB1233T120480GR5 Pringle bolted pressure switch UL
Part Number: CB1233T120480GR5
Quick Summary
CB1233T120480GR5 is a bolted pressure contact switch designed for high-current, single-phase protection in industrial power distribution. In demanding environments, inconsistent trip timing and difficult field servicing can drive unplanned downtime and safety risk. This Eaton model is UL Listed and rated for rugged NEMA enclosures (1, 3R, 4, 12), with optional Ground Fault Relay and capacitor trip device (SPVR) to boost reliability. Used in switchgear and motor control centers, it supports 480 V systems with a 120 V control circuit, delivering predictable protection while reducing maintenance costs and complexity. Designed for installers and end users alike, its UL-listed status and modular provisions streamline procurement and service, improving uptime and overall equipment reliability.
Product Information
Extended Description
CB1233T120480GR5 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR),1200A,1NO-1NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480GR5
UPC
782116955596
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
1 NO-1 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 - CB1233T120480GR5
High-current capability and reliable trip mechanism enable safe, direct switching of large industrial loads. This CB1233T120480GR5 handles up to 1200A with a 120V control circuit and 480V system voltage, supporting three-pole, three-wire configurations. The 1NO-1NC contact arrangement and a charge-before-close mechanism enhance safety during operation, reducing the risk of arcing and mis-timings. Top feed and fusible configuration simplify wiring, enable quicker installation, and reduce field wiring errors in crowded panels. Ground fault protection with a control transformer improves personnel safety and rapid fault detection, helping facilities meet strict electrical safety standards. Optional Ground Fault Relay, Blown Fuse Detection, and auxiliary provisions align with Kirk provisions and modern protective schemes, boosting reliability and maintainability. UL listing and NEMA enclosure compatibility assure rugged performance in harsh environments, while a robust 180 lb footprint supports stable mounting in switchgear assemblies. Overall, this solution delivers measured efficiency gains, reduced preventive maintenance, and lower total cost of ownership for industrial power distribution.
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FAQs
Yes. The device is specified as a three-pole, three-wire unit with a 1NO-1NC contact configuration and top feed. It supports a 480 V system and a 120 V control circuit, making it suitable for integration into standard switchgear and motor control centers.
Key considerations include top-feed wiring, fusible configuration, and mounting within NEMA-rated enclosures (1, 3R, 4, 12). The unit weighs 180 lb and measures 16 in (L) by 28 in (H) by 24 in (W), requiring suitable supports and clearance for maintenance access and SPVR optionality.
The product is UL Listed, providing recognized safety certification for equipment protection. It also specifies NEMA ratings of 1, 3R, 4, and 12, supporting its use in diverse enclosure environments. Optional features like SPVR and Ground Fault Relay can enhance compliance with protection schemes in critical applications.
Typical applications include switchgear assemblies, motor control centers, and distribution panels in manufacturing and process facilities. Its high-current rating, top-feed configuration, and optional protection features make it suitable for protecting large single-phase loads and coordinating with upstream protection devices.
A one-year warranty from installation (or 18 months from shipment) provides initial risk reduction. The robust construction, UL listing, and optional SPVR/ground fault features reduce downtime, simplify serviceability, and lower lifecycle costs by improving protection reliability and extending interval between preventive interventions.