Eaton CB2033B120208RA9 Bolted pressure switch - UL Listed
Part Number: CB2033B120208RA9
Quick Summary
Eaton pringle bolted pressure contact switch is a reliable solution for protecting motor circuits in industrial environments. This device helps engineers overcome nuisance trips and inconsistent protection by delivering a precise capacitor trip device (SPVR) alongside a robust three-pole configuration. UL Listed certification supports safety compliance, while its NEMA-rated enclosure compatibility enables operation across a range of indoor and outdoor installations. By combining a 2000A amperage rating with 208V system voltage and 120V control voltage, the switch offers strong value for high-demand automation applications and streamlined integration into existing switchgear and control cabinets.
Product Information
Extended Description
CB2033B120208RA9 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three on lights (trips switch),2000A,120V,Bottom feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120208RA9
UPC
782116958153
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
190 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
2000A
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 - CB2033B120208RA9
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Very high current handling with a 2000A amperage rating → Business Impact: Supports large motor loads and high-inrush applications without nuisance trips, reducing panel space and wiring complexity → Application: Heavy-duty conveyors, pumps, and large HVAC motors in manufacturing and processing facilities. Feature: 208V system voltage and 120V control voltage → Business Impact: Simplifies integration with common plant power architectures and control circuits, shortening commissioning time → Application: Low-voltage power distribution panels and control enclosures. Feature: Three-pole, three-wire bottom feed → Business Impact: Easier installation and cleaner wiring, improving fault isolation and maintenance access → Application: Panel boards and switchgear assemblies in harsh or space-constrained environments. Feature: SPVR with capacitor trip device and three “on” lights → Business Impact: Faster, predictable tripping with clear status indicators, lowering downtime and improving safety margins → Application: Single-phase protection for motor feeders in critical production lines. Feature: Optional Ground Fault Relay and Blown Fuse Detection (Catalog Notes) → Business Impact: Enhanced fault detection and safety compliance, reducing risk of undetected faults and unplanned outages → Application: Systems requiring enhanced ground fault protection and fuse integrity checks. Feature: NEMA 1, 3R, 4, 12 enclosure ratings → Business Impact: Ready for diverse environments, from clean rooms to outdoors and washdown areas, reducing enclosure changes → Application: Industrial facilities with varying exposure conditions. Feature: Optional auxiliary contact provisions and Kirk provisions → Business Impact: Extends control capabilities and upgrade paths without major rewiring → Application: Expandable protection schemes in aging or expanding plant networks. The combination of UL Listed certification and robust protection features supports long-term reliability, compliance, and a lower total cost of ownership for motor protection and switchgear modernization.
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FAQs
For retrofit into existing switchgear, plan for bottom feed, three-pole wiring, and proper busbar clearance. Use the 120 V control circuit with a compatible 208 V system. If you require enhanced protection, consider the optional Ground Fault Relay or Blown Fuse Detection and verify Kirk provisions or auxiliary contact options are supported by your assembly.
The unit is rated for up to 2000A and designed for single-phase protection with a capacitor trip device (SPVR), providing fast, predictable protection for large motors. Its three-pole, three-wire configuration and fusible protection simplify coordination with downstream protection schemes, reducing unplanned outages in heavy-load industrial applications.
SPVR enables a capacitor-triggered trip sequence that closes pre-charge circuits before protection engages, delivering a controlled and rapid interruption during faults. This reduces nuisance trips caused by inrush or transient conditions and improves motor longevity by preventing frequent, unneeded interruptions.
Yes, the device carries UL Listed certification, ensuring compliance with electrical safety standards. It also supports multiple enclosure ratings (NEMA 1, 3R, 4, 12), making it suitable for varied environments from clean rooms to outdoor or washdown areas, depending on your installation.
Plan for periodic fuse checks and replacement as part of the fusible protection scheme, and consider spare auxiliary contacts for expanded control. If you need enhanced diagnostics, the optional Ground Fault Relay and Blown Fuse Detection provide longer intervals between maintenance cycles and faster fault localization, helping reduce downtime and extend motor life.