Eaton CB1233B120208GR Pringle bolted pressure contact switch - UL Listed
Part Number: CB1233B120208GR
Quick Summary
Eaton CB1233B120208GR bolted pressure contact switch protects high-current industrial circuits. Professionals often battle nuisance trips, inconsistent fault detection, and compatibility challenges when upgrading legacy protective devices in demanding environments. UL Listed safety certification, plus NEMA ratings for 1, 3R, 4 and 12 enclosures, support robust performance across harsh conditions. With SPVR functionality and optional ground fault features, this device enables scalable protection in automation projects while aligning with standard low-voltage switchgear practices. The CB1233B120208GR is built to integrate with existing Eaton systems, delivering faster commissioning and lower total cost of ownership.
Product Information
Extended Description
CB1233B120208GR Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR),1200A,120V,Bottom feed,Ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B120208GR
UPC
782116956432
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
208 V
Voltage - max
208 V
Voltage rating
208 V
Special features
Single-phase voltage relay with capacitor trip device (SPVR)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1233B120208GR
Feature: 1200A amperage rating; Business Impact: Protects high-current motors and feeders from overcurrent events, reducing the risk of equipment damage and unplanned downtime; Application: Ideal for heavy load panels in machine rooms and switchgear assemblies. Feature: 120 V control voltage; Business Impact: Enables precise coil control and reliable tripping logic with standard low-voltage inputs; Application: Controls relays and protective circuits within automation panels. Feature: 208 V system voltage; Business Impact: Compatible with common industrial power networks, minimizing wiring changes and integration effort; Application: Suitable for retrofit projects and new builds using 208 V service. Feature: Three-pole bottom feed; Business Impact: Streamlines installation and improves reliability by consolidating protective paths; Application: Used in three-wire, bottom-feed protection schemes. Feature: Switch type is electrical trip with charge-before-close SPVR; Business Impact: Enhances protection coordination, reduces nuisance trips, and improves safety with capacitor trip devices; Application: Critical in single-phase protection within complex switchgear. Feature: Optional Ground Fault Relay and Blown Fuse Detection; Business Impact: Adds diagnostic capability and faster fault isolation, lowering maintenance costs; Application: Recommended for facilities requiring enhanced fault detection. Certification/compatibility: UL Listed and NEMA ratings (1, 3R, 4, 12) support compliance and rugged use; Application: Fits standard industrial enclosures and certified safety environments. Overall, this model is designed to integrate with Eaton’s protection ecosystem, delivering consistent performance, easier commissioning, and predictable lifecycle costs for industrial automation projects.
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FAQs
Install the CB1233B120208GR as a three-pole, bottom-fed protective switch with the SPVR device engaged to deliver capacitor-trip protection. Ensure the control voltage circuit is wired to 120 V and the system voltage is set to 208 V. Verify tight, compliant connections and reference UL Listed installation practices; confirm enclosure rating aligns with the NEMA 1/3R/4/12 requirements for your environment.
The unit provides 1200A amperage rating, 120 V control voltage, and 208 V system voltage. It is a three-pole, three-wire, fusible protection device with SPVR. Rated for NEMA 1, 3R, 4, and 12 enclosures, it supports reliable operation across a range of industrial environments, including ground fault sensing options when specified.
Yes. Catalog notes indicate OPTIONAL Ground Fault Relay and Blown Fuse Detection are available for CB1233B120208GR. These options provide enhanced fault diagnostics and faster fault isolation, aiding maintenance planning and reducing unplanned downtime in critical systems.
This switch is well-suited for industrial automation, switchgear assemblies, motor control centers, and machine protection in environments that require reliable high-current protection, spin-down safety, and compatibility with 208 V service. Its SPVR capability and UL/NEMA ratings make it a strong choice for OEMs and end users seeking durable, standards-compliant protection.
Warranty follows Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. For maintenance, perform regular inspections of the capacitor trip device, verify ground fault or auxiliary provisions if installed, and check wiring integrity. Keeping the device within its rated operating conditions minimizes nuisance trips and extends service life.