Eaton CB3033T120208RA9 Pringle Bolted Switch - UL Listed
Part Number: CB3033T120208RA9
Quick Summary
Eaton CB3033T120208RA9 bolted pressure contact switch provides reliable single-phase protection for industrial power panels and switchgear assemblies in harsh environments. When nuisance trips or ground-fault events disrupt critical processes, a durable, high-capacity device is essential to maintain uptime and safety. UL Listed certification supports regulatory compliance, while NEMA ratings of 1, 3R, 4, and 12 enable reliable operation in varied environments. Optional features such as Ground Fault Relay, Blown Fuse Detection, and auxiliary contacts add protection depth without complicating wiring and diagnostics. Designed for top-feed, three-pole configurations with a capacitor-trip device (SPVR), it supports scalable protection in industrial automation and control panels.
Product Information
Extended Description
CB3033T120208RA9 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three on lights (trips switch),3000A,120V,Top feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033T120208RA9
UPC
782116951420
Product Length/Depth
22.5 in
Product Height
28 in
Product Width
40 in
Product Weight
390 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
No ground fault
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
3000A
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 three normally on 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 - CB3033T120208RA9
Feature: High current capability and system voltage. The CB3033T120208RA9 is rated for 3000A at 208V, designed to feed substantial loads in industrial power distribution and machine control panels. By handling large feeder currents within a single enclosure, it reduces the number of components and simplifies protection coordination on demanding lines. Benefit: Improved reliability and reduced installation footprint in facilities with heavy motor loads. Application: Large feeders, motor control centers, and critical process lines. Feature: SPVR capacitor trip device for precise coordination. The unit uses a capacitor trip mechanism to ensure controlled, fast tripping under fault conditions, minimizing arcing and extending contact life. This is critical for motors and compressors that demand clean startup sequences in high-energy systems. Benefit: Safer startup and longer contact life, reducing maintenance intervals. Application: HVAC, pumping, and process equipment drives. Feature: Top-feed configuration and fuse-ready design. Top feed/fuse configuration simplifies wiring runs and enables rapid field installation in retrofit projects, reducing installation time and risk of miswiring. The three-pole, three-wire arrangement supports reliable three-wire protection for control panels. Benefit: Faster installation, easier diagnostics, and stronger wiring integrity. Application: Retrofit projects and new panel builds. Feature: UL Listed and robust enclosure compatibility. UL Listed certification supports compliance with safety requirements, while NEMA 1/3R/4/12 compatibility ensures reliable operation in indoor, outdoor, washdown, and harsh environments as permitted by enclosure ratings. The substantial 390 lb footprint communicates its suitability for heavy-duty applications and secure mounting. Benefit: Regulatory confidence and durable performance in tough facilities. Application: Heavy-duty industrial environments. Feature: Optional protection features and serviceability. Catalog notes indicate optional Ground Fault Relay, Blown Fuse Detection, Single-Phase Protection, and auxiliary contact provisions can be added to tailor protection without major wiring changes. This flexibility translates to lower total cost of ownership by consolidating protection in a single device and simplifying maintenance. Application: Custom protection schemes for critical lines and smart facility integrations.
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FAQs
Top-feed installation requires a sturdy mounting surface and adequate clearance for the device’s size and weight (approximately 40 in wide, 28 in high, 22.5 in deep; about 390 lb). Plan for three-wire connections and the top-feed fuse arrangement, and verify enclosure compatibility and UL safety compliance during mounting and wiring.
The switch is rated for 3000A at 208V with a 120V control voltage. It supports fusible protection and is compatible with three-pole, three-wire configurations. The unit is designed for NEMA 1/3R/4/12 enclosures, enabling reliable operation across a range of industrial environments.
Yes. It is a three-pole, three-wire device with a top-feed/fuse configuration, making it suitable for protective schemes that require coordinated protection across multiple phases in control panels. The SPVR capacitor-trip device further enhances protection timing for reliable fault clearance.
The CB3033T120208RA9 carries UL Listed certification, supporting safety compliance for electrical equipment assemblies. It is compatible with NEMA 1/3R/4/12 enclosure ratings, which helps ensure suitability in indoor, outdoor, and washdown environments per enclosure standards. Optional features can further tailor protective performance to regulatory requirements.
This device combines high current capability with integrated protection features, reducing component count and downtime. The one-year warranty (or eighteen months from shipment) provides initial risk coverage, while optional Fault Relay and Blown Fuse Detection help detect faults early. Overall, the integration lowers lifecycle costs by simplifying maintenance and improving mean time between failures.