Eaton CB4033B120208RAX Pringle bolted pressure contact switch - UL Listed
Part Number: CB4033B120208RAX
Quick Summary
CB4033B120208RAX Eaton bolted pressure contact switch provides reliable single-phase protection for industrial switchgear and control panels. Engineers often struggle with nuisance trips and unplanned downtime, and this device uses a capacitor trip (SPVR) to stabilize operation. Key certifications include UL Listed, with rugged enclosure compatibility across NEMA 1, 3R, 4 and 12 environments to support compliance. Together with bottom-feed, fusible protection and a three-pole design, it delivers dependable protection while enabling straightforward installation in existing fleets.
Product Information
Extended Description
CB4033B120208RAX Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch),4000A,120V,Bottom feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033B120208RAX
UPC
782116950805
Product Length/Depth
22.5 in
Product Height
32 in
Product Width
40 in
Product Weight
430 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
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 no 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 - CB4033B120208RAX
High-current capability at 4000A and 208V system voltage makes CB4033B120208RAX suitable for large control panels and switchgear; this reduces the need for oversized devices and simplifies installation, delivering improved reliability and lower total cost of ownership. The capacitor trip device (SPVR) provides fast, controlled tripping to minimize nuisance trips, resulting in fewer production interruptions and reduced maintenance in demanding motor-start and load profiles. The three-pole, bottom-feed configuration streamlines wiring and mounting in compact enclosures, cutting commissioning time and kitchen-sink wiring errors while supporting scalable expansions in industrial facilities. Fusible protection offers coordinated overcurrent protection, enabling you to tailor fusing to specific circuits and improve safety margins. UL Listed certification and compatibility with NEMA 1, 3R, 4, and 12 enclosures deliver durable performance in harsh environments, with optional Ground Fault Relay and Blown Fuse Detection enhancing safety and operational flexibility.
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FAQs
CB4033B120208RAX is designed for bottom-feed, three-pole installations in industrial switchgear and control panels. It supports standard low-voltage control wiring, aligns with 208V systems, and fits common NEMA-rated enclosures. When mounting, ensure proper clearance for the three wires, provide appropriate fuse configuration, and follow Eaton installation guidelines to maintain UL Listed compliance.
The SPVR capacitor trip device delivers a controlled, rapid trip on sensing abnormal conditions, reducing nuisance trips that disrupt production. This improves downtime metrics, supports consistent protection during motor starting, and minimizes wear on downstream components, translating to lower maintenance costs and more predictable operation in demanding industrial environments.
Yes. The CB4033B120208RAX is designed for 208V systems with a three-pole, three-wire configuration. A bottom-feed fuse arrangement is standard, simplifying wiring and reducing wiring errors. Plan for three conductors plus protective devices in series and verify proper fuse sizing to match system protection requirements for compliant operation.
This Eaton switch is UL Listed, providing a recognized safety certification for industrial control equipment. It is compatible with enclosure ratings associated with rugged environments (NEMA 1, 3R, 4, 12) to support installation in a variety of industrial settings. The UL Listing helps satisfy procurement standards and regulatory expectations for electrical protection devices.
Maintenance focuses on periodic inspection of fuse elements and the capacitor trip device to ensure reliable operation. The unit’s fusible protection and optional ground fault features help prevent costly outages. Expected ROI comes from reduced nuisance trips, lower downtime, and extended panel life due to robust protection and fewer field faults in demanding applications.