Eaton CB2033T120480GRAX6 Pringle bolted switch - UL Listed
Part Number: CB2033T120480GRAX6
Quick Summary
Eaton pringle bolted pressure contact switch is a single-phase relay designed for industrial switchgear and motor control panels. Engineers often battle nuisance trips and miscoordination during fault events, which can disrupt uptime; this device helps stabilize protection with a capacitor trip (SPVR) and optional ground-fault features. UL Listed certification ensures safety compliance, and its enclosure compatibility spans NEMA 1, 3R, 4, and 12 for varied environments. With 120 V control and 480 V system voltages, it fits modern control schemes while supporting top-feed configurations. This combination delivers reliable protection with installation flexibility, helping maintenance teams reduce downtime and improve system availability.
Product Information
Extended Description
CB2033T120480GRAX6 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch), handle suitable for 6'6" requirements,2000A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033T120480GRAX6
UPC
782116953332
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
180 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
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 no lights (trips switch), handle suitable for 6'6" requirements
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 - CB2033T120480GRAX6
Feature Capacitor trip device (SPVR) with blow-out free trip logic; Business Impact Reduces nuisance trips and improves coordination between protection stages, lowering unplanned outages. Application Ideal for single-phase protection in 480 V feeders within switchgear and control panels. Feature Three-pole top-feed design rated up to 2000 A; Business Impact Enables high-load switching and robust fault isolation, reducing contact wear and extending equipment life. Application Suitable for heavy-duty motor feeders and line-side protection in industrial plants. Feature NEMA-rated enclosure compatibility (NEMA 1, 3R, 4, 12); Business Impact Supports both indoor and harsh environments with compliant enclosure options, simplifying installation in existing MCCs. Application Provides versatility across plant rooms, outdoor-rated dashboards, and dusty environments. Feature Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions; Business Impact Enables customized protection schemes and easier integration with Kirk provisions and auxiliary signaling. Application Useful for coordinated protection schemes in multi-circuit feeders and modern power distribution assemblies. Feature Control voltage of 120 V and system voltage of 480 V; Business Impact Aligns with standard plant control circuits while handling main power feeds without requiring adapters. Application Facilitates straightforward integration with existing controls and accelerates commissioning.
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FAQs
This unit uses a top-feed configuration with three poles and three wires, designed for 480 V system voltage and 120 V control. Ensure a suitable enclosure that meets NEMA 1, 3R, 4, or 12 requirements, provide proper grounding, and allow clearance for maintenance. Verify circuit protection alignment with fusible protection and confirm UL Listed compliance before commissioning.
The SPVR capacitor trip device provides a controlled trip sequence by charging before closing, which reduces arcing and energizes protection reliably. This coordination minimizes nuisance trips and improves coordination with upstream protection devices. For maintenance, inspect capacitor assemblies and verify capacitor charging paths during periodic testing.
Yes. Catalog notes indicate options for Ground Fault Relay and Auxiliary Contact Provisions are AVAILABLE, along with Kirk provisions. These features enable enhanced protection schemes and signaling for modern control architectures, allowing easier integration with remote monitoring and interlocking strategies.
This switch excels in switchgear and motor-control centers requiring high current handling (up to 2000 A) with top-feed configuration. It supports 480 V mains and 120 V control circuits, paired with UL safety certification. Typical deployments include industrial power distribution panels, feeder protection schemes, and enclosures requiring robust environmental ratings.
Plan for regular inspection of the fusible protection path, ground fault options, and any auxiliary contacts. The unit ships with a one-year warranty from installation or eighteen months from shipment, whichever occurs first. Keep the SPVR and ground fault relay pathways clean, test trip functionality periodically, and replace worn components to sustain protection integrity.