Eaton CB3033T120208GR Bolted pressure switch - UL Listed
Part Number: CB3033T120208GR
Quick Summary
Eaton CB3033T120208GR bolted pressure switch provides single‑phase relay protection for industrial motor circuits. Facilities often wrestle with nuisance trips and complex wiring when protecting large motors. UL Listed safety certification coupled with NEMA 1/3R/4/12 enclosure compatibility supports rugged industrial deployments. This setup complements broader motor-protection strategies in automation and power-distribution environments. The device’s robust design aligns with lower total cost of ownership while supporting scalable control architectures in modern plants.
Product Information
Extended Description
CB3033T120208GR Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR),3000A,120V,Top feed,Ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033T120208GR
UPC
782116951222
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)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB3033T120208GR
Feature → Business Impact → Application: The CB3033T120208GR offers a three-pole interface with top feed and fusible protection, enabling high-current motor circuits to be safeguarded with minimal wiring complexity. This reduces downtime and maintenance costs by providing reliable protection against overload and short circuits in heavy industrial environments, making it ideal for motor control centers in manufacturing lines and process plants. Application: Industrial automation projects requiring durable, easy-to-install protection for large motors, such as conveyors and pumps, benefit from faster commissioning and reduced risk of costly outages. Feature → Business Impact → Application: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, and Auxiliary Provisions give users enhanced diagnostic visibility and fast fault localization, improving maintenance planning and safety. Application: Critical equipment in food processing, water treatment, and packaging lines benefits from proactive protection and easy integration with existing control power transformers. Feature → Business Impact → Application: NEMA ratings (1, 3R, 4, 12) and rugged enclosure support ensure operation in harsh environments, reducing environmental ingress risk and extending service life. Application: Outdoor or damp factory floors and dusty production areas where enclosures must withstand challenging conditions. Feature → Business Impact → Application: Top feed and three-wire configuration simplify panel wiring, supporting quicker installation and easier future upgrades. Application: New installations or retrofits across plant-wide motor protection schemes. Feature → Business Impact → Application: Amperage rating of 3000A and system voltage 208V with 120V control voltage deliver reliable protection for large motors while maintaining compatibility with standard plant power distribution. Application: Heavy-duty HVAC, extrusion lines, and rolling mill applications demanding high-current reliability.
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FAQs
CB3033T120208GR is designed for top feed, three-pole, three-wire systems with fusible protection. Ensure the panel enclosure meets the NEMA ratings (1/3R/4/12) and provide the 120V control circuit. Plan for optional auxiliary contacts and ground fault provisions, then perform a controlled test to verify capacitor trip device operation without interrupting critical loads.
Key specs include a 3000A amperage rating, 208V system voltage, and 120V control voltage. It is fusible with a top-feed configuration and supports ground fault and auxiliary option provisions. The device is UL Listed and offers NEMA 1/3R/4/12 enclosure compatibility for flexible installation in varied industrial environments.
Yes. The three-pole, three-wire design with capacitor trip (SPVR) supports fast, reliable tripping for large motors, reducing the risk of damage from faults. Its high current rating (3000A) and 208V system compatibility make it well-suited for manufacturing lines, pumps, and conveyors requiring robust protection and minimal downtime.
The CB3033T120208GR carries UL Listed certification, ensuring adherence to safety standards. It also accommodates standard NEMA enclosure ratings (1, 3R, 4, 12) for rugged environments. Optional features like Ground Fault Relay and auxiliary provisions enhance compliance with plant-wide protection policies.
The device’s reliability, UL Listing, and robust enclosure reduce maintenance frequency and downtime. With a 3000A rating and SPVR capability, maintenance teams can predict fault conditions more accurately, lowering unplanned outages. The product's compatibility with existing control transformers and panels supports faster return on investment through minimized installation time and extended service life.