Eaton CB1233B120208GRAX Bolted Pressure Contact Switch-UL

CB1233B120208GRAX
Manufacturer
Eaton
Part number
CB1233B120208GRAX
Category

Quick Summary

Eaton bolted pressure contact switch provides SPVR protection for low-voltage power distribution panels. Engineers often battle nuisance trips and miscoordination with protective schemes, leading to unnecessary downtime. UL Listed certification supports safety compliance, while compatibility with standard NEMA enclosures (1, 3R, 4, 12) and a capacitor-trip device enable reliable, fast protection. This combination delivers durable switchgear protection for industrial automation environments, with grounded fault detection and robust performance in demanding facilities. The result is safer operation, easier maintenance planning, and a clear path to compliant protection across the plant.

Product Information

Extended Description

CB1233B120208GRAX Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch),1200A,120V,Bottom feed,Ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B120208GRAX
UPC
782116956425
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), BFD with no lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1 Eaton Switching Devices Eaton Switching Devices Eaton Switching Devices Eaton Switching Devices Eaton Specification Sheet - CB1233B120208GRAX
Feature → Business Impact → Application: Three-pole, bottom-feed design simplifies wiring and reduces install time in crowded switchgear, improving installation efficiency and system reliability in large distribution panels. Feature → Business Impact → Application: Capacitor-trip SPVR enhances fault clearance speed, lowering downtime and reducing wear on downstream equipment in motor control centers. Feature → Business Impact → Application: Fusible protection provides selective coordination with upstream protection, helping control panel designers manage fault currents without overselecting devices in switchgear. Feature → Business Impact → Application: Ground fault with control power transformer improves safety and fault visibility, supporting compliance with safety standards while protecting operators in harsh environments. Feature → Business Impact → Application: UL Listed certification and broad NEMA compatibility (1, 3R, 4, 12) simplify regulatory compliance and installation in diverse enclosures, reducing project risk and ensuring long-term reliability for industrial automation and switchgear protection.

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FAQs

CB1233B120208GRAX requires bottom-feed wiring and appropriate enclosure selection to match its NEMA ratings (1, 3R, 4, 12). Plan for a three-pole, three-wire configuration with a 208V system and 120V control voltage. Ensure the control transformer and ground fault options are wired per Eaton installation guidelines to achieve reliable protection without nuisance trips.
Key ratings include a 1200A amperage rating, 208V system voltage, and 120V control voltage. Protection features include fusible protection and a capacitor-trip device (SPVR) for fast, controlled tripping, plus optional ground fault relay options. These specs support robust protection coordination in switchgear and distribution panels.
Yes. The unit is designed with a capacitor-trip device (SPVR) for single-phase protection and offers a ground fault option with a control power transformer. This combination improves fault visibility, reduces downtime, and enhances operator safety in low-voltage systems.
The CB1233B120208GRAX carries UL Listed certification, which supports electrical safety compliance for safety-critical installations. Its NEMA ratings (1, 3R, 4, 12) indicate enclosure compatibility, aiding regulatory adoption and project risk reduction in harsh industrial environments.
The device’s high current capacity (1200A) with SPVR protection reduces downtime from nuisance trips and improves protection coordination, lowering maintenance costs over time. Its robust enclosure compatibility and bottom-feed design shorten installation time, translating to faster project throughput and predictable long-term maintenance planning.