Eaton CB3033T1204807 Pringle Bolted Switch - UL Listed
Part Number: CB3033T1204807
Quick Summary
The Eaton CB3033T1204807 is a pringle bolted pressure contact switch designed for high-current protection in industrial switchgear. Facility engineers often contend with unreliable protection coordination and ground-fault monitoring gaps that trigger downtime. This unit carries UL Listed certification and is compatible with NEMA 1, NEMA 3R, NEMA 4, and NEMA 12 enclosures, featuring a top-feed fusible configuration for streamlined installation. With a 3000A amperage rating, 480V system voltage, and a 120V control voltage, it delivers reliable performance in demanding MCCs and distribution panels. The combination of rugged build and documented protection options supports reduced field maintenance and improved uptime, while optional accessories address common control-system needs.
Product Information
Extended Description
CB3033T1204807 Eaton: Eaton pringle bolted pressure contact switch,3000A,2NO-2NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033T1204807
UPC
782116951383
Product Length/Depth
22.5 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.
Contact configuration
2 NO-2 NC
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
3000A
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
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB3033T1204807
Feature 1: 3000A amperage rating with 480V system voltage. Business impact: Enables reliable high-current switching for large MCCs and distribution panels, reducing transient risks and unplanned outages. Application: Industrial facilities with heavy motor loads and switchgear requiring robust protection. Feature 2: 2NO-2NC contact configuration in a three-pole, top-feed, fusible design. Business impact: Simplifies wiring and protection coordination, improving installation speed and fault isolation. Application: High-density control panels and motor control centers. Feature 3: UL Listed and NEMA ratings including 1, 3R, 4, 12. Business impact: Ensures compliance and enclosure compatibility across harsh environments, lowering risk of regulatory non-conformance. Application: Controllers, switchgear, and industrial enclosures. Feature 4: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contacts. Business impact: Customizable protection schemes to meet site-specific hazards, reducing downtime and maintenance costs. Application: Process lines and hazardous-area installations. Feature 5: Top-feed configuration and Blown Fuse Detection compatibility. Business impact: Streamlines wiring, enhances fault detection, and enables quicker service turns. Application: Electrical distribution blocks and feeder circuits in manufacturing plants.
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FAQs
Installation should begin with confirming enclosure compatibility (NEMA 1, 3R, 4, 12) and top-feed wiring. Use the 3-wire, three-pole configuration to ensure proper phase alignment, and connect the fusible path per the catalog notes. Consider Kirk provisions and auxiliary contacts if your control scheme requires additional signaling. Proper torque on bolts and protective grounding per your site standards will maximize reliability and minimize nuisance trips.
CB3033T1204807 supports fusible protection with a charge-before-close mechanism for safe switching. Optional features include Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection to detect mis-phasing or faults early. These options help prevent arc-flash events, equipment damage, and unplanned downtime, especially in motor control centers and critical process lines.
Yes, the unit is designed for compatibility with multiple NEMA-rated enclosures (NEMA 1, 3R, 4, 12), which broadens its suitability for indoor and semi-exposed environments. The top-feed fusible design also supports safer field-servicing. For outdoor or harsher settings, select an enclosure rated for environmental exposure and ensure proper sealing and corrosion resistance as part of the overall system.
With a 3000A amperage rating and 480V system voltage, CB3033T1204807 handles large motor and feeder applications. The 120V control voltage supports standard control circuits, while 2NO-2NC contacts provide flexible signaling. The UL Listed certification and compatibility with optional protection features help meet stringent industry standards and reduce regulatory risk in manufacturing plants and power distribution systems.
The rugged construction and UL-listed certification translate to lower maintenance intervals and fewer nuisance trips. The availability of optional fault-detection features reduces fault discovery time and prevents cascading failures, improving uptime and asset longevity. Although the unit is heavy, its robust design minimizes field replacements and lowers total cost of ownership for critical power distribution.