Eaton CB4033T120208RA9 Pringle pressure switch - UL Listed
Part Number: CB4033T120208RA9
Quick Summary
The Eaton CB4033T120208RA9 bolted pressure contact switch protects equipment by controlled tripping in single-phase motor circuits. Engineers and maintenance teams often confront nuisance trips, miscoordination, and unreliable protection in rugged environments, which this design helps mitigate. UL Listed certification alongside NEMA compatibility (1, 3R, 4, 12) and optional features like Ground Fault Relay and blown fuse detection enhance safety and reliability. With a top-feed configuration and a substantial footprint, the unit supports scalable switchgear installations while reducing downtime and maintenance effort. This combination delivers clear business value through improved uptime, easier serviceability, and compliant protection for motor feeders.
Product Information
Extended Description
CB4033T120208RA9 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three on lights (trips switch),4000A,120V,Top feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120208RA9
UPC
782116950362
Product Length/Depth
17 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
4000A
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
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB4033T120208RA9
Feature: High amperage and system voltage ratings enable protection for large motor feeders; Benefit: reduces short-circuit risk and equipment damage in demanding environments; Application: factory floors and processing plants with high-load motors. Feature: Capacitor trip device (SPVR) integrated with three-pole, three-wire topology; Benefit: faster, more precise fault clearance and reduced nuisance trips; Application: industrial switchgear where rapid coordination is critical. Feature: Optional Ground Fault Relay and Blown Fuse Detection; Benefit: enhanced fault detection, safer maintenance, and predictive maintenance readiness; Application: critical power distribution where ground faults are a concern. Feature: UL Listed and multi-NEMA compatibility (1, 3R, 4, 12); Benefit: easier compliance, safer installations, and broader enclosure options; Application: harsh environments and enclosures requiring robust protection. Feature: Top feed fuse configuration and three-pole design; Benefit: simplified installation, clear wiring, and reliable operation for three-phase-like feeders in single-phase systems; Application: large motor control centers and distribution panels. Feature: Heavy-duty construction (17 in x 28 in x 40 in footprint, 390 lb); Benefit: durability for long life in industrial settings and reduced maintenance frequency; Application: load centers and switchgear housings with limited space for vertical expansion.
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FAQs
CB4033T120208RA9 is designed for top-feed, three-pole operation with fusible protection, simplifying wiring and improving fault isolation. The three-wire configuration supports straightforward installation in standard switchgear, enabling reliable protection for large motor feeders and reducing miswiring risks during maintenance.
The device provides a 4000A amperage rating, 208 V system voltage, 120 V control voltage, and fusible protection. It features a capacitor trip device (SPVR) for precise tripping, and supports NEMA 1, 3R, 4, and 12 enclosures for versatile installation in different environments.
Yes. The switch is UL Listed and compatible with multiple NEMA enclosure ratings, including NEMA 1, 3R, 4, and 12, making it suitable for a wide range of indoor industrial applications and harsh environments.
The SPVR capacitor trip device helps ensure a fast, coordinated trip for single-phase fault conditions, reducing the likelihood of nuisance trips while maintaining reliable protection for motor circuits and power feeders in continuous operation environments.
Eaton provides a one-year warranty from installation or 18 months from shipment, per policy 25-000. Documentation includes specification sheets and catalog notes for optional features like Ground Fault Relay and Blown Fuse Detection, supporting maintenance planning and lifecycle costs.