Eaton CB2033B1204807 Bolted pressure contact switch - UL
Part Number: CB2033B1204807
Quick Summary
Eaton CB2033B1204807 bolted pressure contact switch enables high-current control in industrial switchgear for motor starters. Engineers often confront reliability and fault protection challenges in heavy-duty circuits, which this unit mitigates with fusible protection and optional fault-detection features. Key certifications and standards include UL Listed safety certification and NEMA-rated enclosures (NEMA 1, 3R, 4, 12) that help meet demanding industrial environments. By delivering rugged performance with compatible control voltages and scalable protection options, this switch provides a clear business value: safer, more reliable power switching that reduces downtime and streamlines panel design for industrial facilities and OEMs.
Product Information
Extended Description
CB2033B1204807 Eaton: Eaton pringle bolted pressure contact switch,2000A,2NO-2NC,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B1204807
UPC
782116958108
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.
Contact configuration
2 NO-2 NC
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
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 - CB2033B1204807
Feature: 2000A amperage rating → Business Impact → Application: Enables handling large motor loads and main feeder switching with a single device, reducing part counts and integration complexity in control panels and switchgear. Feature: 480V system voltage and 120V control voltage → Business Impact → Application: Supports standard industrial control circuitry and medium-voltage distribution, simplifying wiring schemes and improving compatibility with existing PLC/relay logic in machine controls. Feature: 2NO-2NC contact configuration → Business Impact → Application: Provides flexible interlock and zoning options for startup sequences and automatic protection logic in three-phase equipment. Feature: Three-pole, three-wire design → Business Impact → Application: Ensures proper phase control and enhanced protection across all three phases in motors and conveyors, minimizing imbalance risks. Feature: Fusible protection and bottom feed configuration → Business Impact → Application: Enhances circuit protection and wiring efficiency, allowing easier installation in bottom-fed panels and reducing short-circuit damage risk. Feature: Optional features (Ground Fault Relay, Blown Fuse Detection, Single Phase Protection) → Business Impact → Application: Extends safety monitoring and fault diagnostics, lowering unplanned downtime and enabling proactive maintenance. Feature: UL Listed and NEMA-rated enclosure compatibility → Business Impact → Application: Supports compliance and rugged performance in harsh industrial environments, improving supplier confidence and asset longevity.
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FAQs
CB2033B1204807 is a three-pole unit with bottom feed and 2NO-2NC contacts, designed for straightforward integration in standard enclosure cutouts. Ensure enclosure space accommodates 16 in depth, 24 in width, and 32 in height, with properly rated 480V bus connections. Use UL Listed components and follow Eaton installation guidelines to maintain compliance and safety clearances.
The switch supports 2000A amperage with a 480V system voltage and a 120V control voltage, making it suitable for main feeders and motor starters. It offers fusible protection and optional fault-detection features. Confirm coordination with upstream protective devices and ensure wiring is sized for 480V operation to maximize protection and reliability.
Yes. The device is UL Listed and designed for heavy-duty switching with NEMA-rated enclosure compatibility (NEMA 1, 3R, 4, 12), supporting motor protection and feeder switching in varied environments. Its bottom-feed configuration simplifies wiring in compact panels, while the three-pole design ensures balanced three-phase operation and robust protection for motor circuits.
CB2033B1204807 carries UL Listed certification, signaling adherence to essential safety standards for electrical equipment. Its NEMA compatibility further supports enclosure protection in challenging environments. Although SIL, CE, and IP ratings are not listed here, UL certification combined with NEMA compatibility provides strong regulatory alignment for many industrial applications.
Eaton offers a one-year warranty from installation or eighteen months from shipment, per policy 25-000. Optional features such as Ground Fault Relay and Blown Fuse Detection can extend monitoring capabilities. For ROI, factor reduced downtime, fewer components, and improved fault visibility into maintenance planning, with available Eaton support and documentation to aid commissioning.