Eaton CB3033T120208GRAX Bolted pressure switch - UL Listed

Part Number: CB3033T120208GRAX
Manufacturer
Eaton
Part number
CB3033T120208GRAX

Quick Summary

Eaton CB3033T120208GRAX is a bolted pressure switch for high-current motor protection in industrial panels. Engineers often struggle with nuisance trips, slow fault clearance, and coordinating protection devices across feeders. UL Listed certification is supported by robust NEMA configurations—NEMA 1, 3R, 4, and 12—ensuring suitability from control desks to harsh environments. Its SPVR capacitor trip device and fusible protection deliver fast, reliable responses while allowing top-feed installation and ground-fault options. This combination reduces downtime and simplifies compliance. For engineers evaluating protection strategies, this means simpler testing, faster maintenance planning, and predictable coordination with upstream breakers. Long-term reliability translates into lower total cost of ownership across large facilities.

Product Information

Extended Description

CB3033T120208GRAX Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch),3000A,120V,Top feed,Ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033T120208GRAX
UPC
782116951215
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.
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
3000A
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 no lights (trips switch)
High-current protection translates to significant business impact by enabling main feeder protection in large switchgear and motor-control centers, reducing the need for downstream devices while improving system reliability. This is ideal for industrial power distribution where uptime is critical and downtime costs are measurable. The SPVR capacitor trip device delivers rapid fault clearance with controlled arc energy, lowering downtime and enhancing safety in motor starts and feeder protection scenarios. In practice, it supports single-phase protection with precise timing, simplifying testing and maintenance planning for panel builders and OEM integrators. NEMA 1, 3R, 4, and 12 ratings provide environmental versatility, enabling indoor control rooms and harsher outdoor installations without additional enclosures or retrofits. Top-feed, fusible protection, and three-pole construction ensure safe installation, coordinated fault protection, and minimal wiring complexity across complex distributions. Optional ground fault relay, auxiliary contacts, and Kirk provisions (where available) streamline testing, metering, and automation integration, driving faster commissioning and lower lifecycle costs. Compatibility with 120 V control voltage and 208 V system voltage reduces engineering effort when matching plant power and control circuits, supporting robust protection across a wide range of facilities. The overall solution improves efficiency, reduces maintenance labor, and supports regulatory compliance with UL Listing and broad NEMA compatibility, delivering a clear ROI for facilities migrating to higher-capacity protection devices.

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FAQs

CB3033T120208GRAX supports top-feed configuration and a three-pole, three-wire arrangement for single- and three-phase protection in feeder panels. It offers fusible protection and optional Ground Fault Relay, Blown Fuse Detection, and auxiliary contact provisions. This combination simplifies wiring, reduces installation time, and improves coordination with upstream devices in switchgear and motor-control centers.
Yes. The device provides a 120 V control voltage and supports a 208 V system voltage, enabling direct compatibility with common plant power and control circuits. Its three-pole configuration ensures balanced load handling and safe switching for both normally on/off applications, reducing control wiring complexity and improving reliability across panels, MCCs, and feeder blocks.
Certifications include UL Listed, with NEMA ratings of 1, 3R, 4, and 12, ensuring compliance for indoor and outdoor industrial environments. This enables use in power distribution, switching devices, and control panels where regulatory approval and environmental protection are required. UL approval supports safe integration with other UL-listed components, while the 208V/120V ratings simplify device matching and engineering review cycles.
The SPVR capacitor trip device provides a controlled capacitor-delayed trip, enabling rapid fault clearing while avoiding excessive arc energy in normal operation. This improves motor protection, reduces nuisance trips, and helps coordinate with upstream protection. It is particularly beneficial in single-phase protection schemes for feeders and MCCs where reliable trip timing matters.
From a maintenance and ROI perspective, CB3033T120208GRAX offers durable three-pole protection, top-feed installation, and fusible protection that reduce downtime and spare parts needs. The UL listing and NEMA compatibility support regulatory compliance, while optional features like ground-fault relays simplify testing and documentation, delivering predictable lifecycle costs for large facilities. This translates into faster project returns, lower maintenance labor, and competitive advantage for OEMs and integrators.