Eaton CB3033B120208RAX Pressure Contact Switch - UL Listed
Part Number: CB3033B120208RAX
Quick Summary
The Eaton CB3033B120208RAX pressure contact switch provides bolted protection in electrical switchgear and control panels. Engineers often struggle with nuisance trips, limited single‑phase protection features, and integration challenges when using capacitor-trip relays. This unit is UL Listed and supports rugged NEMA configurations including 1, 3R, 4, and 12, with optional ground fault relay, blown fuse detection, and auxiliary contact provisions. Designed for reliability in single‑phase protection schemes, it uses a capacitor trip device (SPVR) and a bottom-feed, three‑pole configuration for predictable operation. The result is reduced downtime, improved safety margins, and easier compatibility with Eaton switching devices and standard installation practices.
Product Information
Extended Description
CB3033B120208RAX Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch),3000A,120V,Bottom feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033B120208RAX
UPC
782116951871
Product Length/Depth
22.5 in
Product Height
32 in
Product Width
40 in
Product Weight
430 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
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
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)
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 - CB3033B120208RAX
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Capacitor trip device (SPVR) with charge-before-close mechanism provides rapid, reliable protection against single‑phase faults. Business Impact: Short fault-clearing times reduce arc-flash exposure and equipment wear, boosting uptime and safety. Application: Ideal for low- to medium-voltage switchgear and control panels where precise timing and reliable trips matter. Long-tail keywords integrated: SPVR protection, capacitor trip relay, single-phase protection. Feature: Three-pole, bottom-feed, fusible configuration simplifies wiring and fault isolation. Business Impact: Reduces wiring errors and improves serviceability, enabling straightforward integration with existing bus and feeders. Application: Suitable for motor control centers and protected feeders. Long-tail keywords integrated: bottom-feed protection, three-pole protection, fusible design. Feature: NEMA compatibility (1, 3R, 4, 12) and UL Listed enclosure readiness. Business Impact: Enables installation in harsh or outdoor environments without extra enclosures, lowering total cost of ownership. Application: Outdoor panels and dusty plants. Long-tail keywords integrated: NEMA rated enclosures, rugged protection, industrial installation. Feature: Optional Ground Fault Relay and auxiliary provisions enhance safety and diagnostics. Business Impact: Improves fault detection and system diagnostics, supporting compliance and faster MTBF validation. Application: Panels needing enhanced protection and monitoring. Long-tail keywords integrated: ground fault options, auxiliary contacts, diagnostic readiness. Feature: High endurance and compatibility with Eaton ecosystem. Business Impact: Reduces procurement complexity, training needs, and lifecycle costs through standard practices and proven interoperability. Application: Retrofit projects and new builds within industrial automation environments.
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FAQs
Install using the bottom-feed, three-pole configuration per Eaton guidelines. Ensure the enclosure supports the NEMA ratings (1, 3R, 4, 12), mount securely, wire three conductors, and connect the capacitor trip device (SPVR). Verify UL Listed compliance and perform a functional trip test before commissioning.
Amperage rating is 3000A with a 120 V control voltage and 208 V system voltage. It is a three-pole, fusible device designed for single-phase protection with SPVR. Suitable for bottom-feed configurations and UL Listed for industrial protection schemes.
Yes. The unit is designed for rugged environments with NEMA 1, 3R, 4, and 12 compatibility, enabling installation in a wide range of industrial settings, including outdoor or dusty locations, with minimized enclosure requirements and robust protection.
CB3033B120208RAX is UL Listed and supports optional features such as Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contacts. These options enhance safety, diagnostics, and integration with broader protection schemes in industrial automation.
The SPVR capacitor-trip design, UL listing, and Eaton ecosystem compatibility deliver predictable protection performance, reduced nuisance trips, and easier procurement and maintenance. Optional diagnostics and auxiliary provisions help monitor health and simplify commissioning, contributing to improved MTBF and lower total cost of ownership.