Eaton CB1633T120480G7 Bolted Pressure Contact Switch - UL Listed
Part Number: CB1633T120480G7
Quick Summary
Eaton CB1633T120480G7 bolted pressure contact switch is a high-current protection device designed for industrial switchgear and control panels. Engineers often struggle with reliable isolation during load surges and fault events, which can drive unplanned downtime and safety risks; this unit delivers fast, predictable tripping and stable operation under heavy electrical load. UL Listed certification supports safety compliance, and its enclosure compatibility covers NEMA 1, 3R, 4, and 12 for rugged environments. With a 1600A rating, 480V system voltage, and 120V control power, it integrates smoothly with existing control circuits and Eaton components, translating into lower maintenance costs and increased system availability for critical manufacturing processes.
Product Information
Extended Description
CB1633T120480G7 Eaton: Eaton pringle bolted pressure contact switch,With control power transformer,1600A,2NO-2NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480G7
UPC
782116957095
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
180 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
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
1600A
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
Special features
With control power transformer
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 - CB1633T120480G7
Feature: High current protection and voltage compatibility. Benefit: Enables dependable protection of power distribution with a 1600A amperage rating and 480V system voltage, reducing the risk of equipment damage during faults. Application: Ideal for large switchgear and motor control centers where reliability is paramount. Feature: 2 NO-2 NC with three-pole topology. Benefit: Provides flexible control logic and secure charging/closing sequences, improving safety and trip accuracy in three-wire, three-phase networks. Application: Suitable for complex control panels and industrial automation racks that demand precise contact configuration. Feature: Top feed and fusible protection. Benefit: Simplifies wiring and enhances protection coverage in rugged environments while enabling easy fuse integration and selective coordination. Application: Common in top-fed switchgear assemblies in manufacturing plants. Feature: Ground fault with control power transformer (optional). Benefit: Improves fault detection and minimizes nuisance trips by isolating control circuitry from power faults, boosting reliability. Application: Critical power distribution where ground fault protection is required for personnel and equipment safety. Feature: Enclosure ratings and safety certifications. Benefit: UL Listed with compatibility to NEMA 1, 3R, 4, and 12 enclosures, ensuring code compliance and resilience against dust, moisture, and weather exposure. Application: Outdoor or harsh indoor environments in process plants and facilities. Feature: Physical dimensions and integration ease. Benefit: Dimensions of 16 in length, 28 in height, 24 in width and weight of 180 lb facilitate planning and retrofits in existing plant spaces while accommodating control power transformer configurations. Application: System integration where space planning and retrofit compatibility are critical. The overall design aligns with long-tail needs such as bolted pressure switch, top-feed protection, and compatibility with control power transformers, enabling seamless integration with Eaton's switching devices catalogs and reducing lifecycle costs through durable, compliant protection.
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FAQs
The CB1633T120480G7 is designed for seamless integration with Eaton switching devices, featuring a top-feed configuration and three-pole, 2NO-2NC contact arrangement. It supports 480V system voltage and 120V control power, matching common Eaton control schemes. This compatibility reduces wiring complexity, simplifies retrofits, and helps ensure predictable coordination with nearby protective devices in existing switchgear.
Key performance specs include a 1600A amperage rating, 480V system voltage, and a 120V control voltage, with a three-pole, 2NO-2NC contact configuration and a charge-before-close trip mechanism. The fusible protection feature further supports safe, coordinated protection in high-current environments, decreasing the likelihood of arc faults and facilitating safer startup sequences in heavy equipment.
This switch excels in large switchgear, motor control centers, and power distribution panels where high-current protection and reliable fault interruption are required. Its top-feed design and 1600A rating make it appropriate for industrial facilities, refineries, and manufacturing lines, while optional ground fault and auxiliary provision options support tailored safety and control strategies.
The CB1633T120480G7 carries UL Listed certification, ensuring safety compliance for industrial electrical equipment. It is compatible with NEMA-rated enclosures (NEMA 1, 3R, 4, 12), which supports installation in diverse environments—from clean indoor panels to exposed or semi-outdoor settings—helping meet regulatory and installation standards for robust power protection.
Expect lower lifecycle costs due to its rugged build, UL safety certification, and compatibility with optional protective features such as ground fault relay and blown fuse detection. The one-year warranty (or 18 months from shipment) provides initial risk reduction, while reduced downtime from reliable tripping translates to improved uptime, safer operations, and favorable total cost of ownership in high-demand applications.