Eaton CB2033B120480GRAR Pringle bolted pressure contact switch - UL Listed
Part Number: CB2033B120480GRAR
Quick Summary
CB2033B120480GRAR bolted pressure contact switch provides high-current, single-phase protection for industrial control panels and motor circuits. Engineers often face nuisance trips, space constraints, and complex wiring when protecting critical loads in switchgear. This UL Listed unit also aligns with NEMA 1, 3R, 4 and 12 enclosures, supporting safe operation in varied environments. With SPVR capacitor trip capability and optional ground-fault features, it delivers reliable protection while simplifying installation in compact panels. The combination of heavy-duty performance and straightforward integration supports procurement goals for uptime, maintainability, and total cost of ownership.
Product Information
Extended Description
CB2033B120480GRAR Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three off lights (trips switch),2000A,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120480GRAR
UPC
782116957767
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
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
2000A
Control voltage
120 V
NEMA rating
NEMA 1, NEMA 3R, NEMA 4, NEMA 12
Protection
Fusible
System voltage
480 V
Voltage - max
480 V
Voltage rating
480 V
Special features
Single-phase voltage relay with capacitor trip device (SPVR), BFD with three normally off 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 - CB2033B120480GRAR
Feature: 2000A amperage rating with 480V system voltage and 3-pole, 3-wire configuration. Business Impact: Enables safe, high-current switching for large motors and feeders with precise coordination, reducing voltage drop and thermal stress. Application: Motor control centers and main feeders in industrial plants. Feature: Single-phase relay with capacitor trip device (SPVR). Business Impact: Improves protective timing and selective tripping, minimizing unnecessary outages. Application: Control circuits requiring rapid, reliable trip for single-phase faults. Feature: Ground fault protection option integrated with control power transformer. Business Impact: Enhances personnel safety and equipment protection by detecting ground faults early. Application: Panels serving high-risk loads or critical machinery. Feature: Bottom feed fuse configuration and bottom feed design. Business Impact: Simplifies wiring and maintenance in tight enclosures, lowering installation costs. Application: Compact switchgear and control panels. Feature: UL Listed with multiple NEMA ratings (1, 3R, 4, 12). Business Impact: Validates compliance across a range of environments and ensures durability in wet, dusty, or corrosive areas. Application: Harsh manufacturing environments and outdoor installations. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Auxiliary Contacts, and Kirk provisions. Business Impact: Expands diagnostic and control options, supporting predictive maintenance and easier upgrades. Application: Modernizing legacy gear and implementing reliability programs in plant operations.
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FAQs
Yes. CB2033B120480GRAR is configured for three-pole, three-wire systems with a bottom feed, supporting 480V operation and fusible protection. It fits standard industrial switchgear and control panels, enabling straightforward wiring, reliable trip coordination, and easier service access in confined spaces.
Key specs include a 2000A amperage rating, 120V control voltage, 480V system voltage, three-pole construction, fusible protection, and NEMA-rated enclosures (1, 3R, 4, 12). The unit supports SPVR with capacitor trip and can be configured for ground-fault protection with auxiliary provisions.
Yes. The CB2033B120480GRAR includes a capacitor trip device (SPVR) option, which enhances protection timing for single-phase faults and reduces nuisance trips. This feature is particularly valuable in complex control circuits and sensitive loads where selective protection is critical.
Optional Ground Fault Relay, Blown Fuse Detection, Auxiliary Contact Provisions, and Kirk provisions are available. These accessories expand fault diagnosis, enable expanded control logic, and support easier integration with existing relays and monitoring systems.
The UL Listed, durable construction and NEMA-rated enclosure compatibility minimize unplanned downtime. With SPVR, ground-fault options, and robust fault protection, maintenance intervals lengthen and mean time to repair improves. The unit’s reliability translates to lower operating costs and improved plant throughput over its lifecycle.