Eaton CB1633T120480GAO Bolted Pressure Switch - UL Listed
Part Number: CB1633T120480GAO
Quick Summary
The Eaton CB1633T120480GAO bolted pressure contact switch provides high-current protection for industrial switchgear and control panels. Operators often grapple with nuisance trips and unreliable start-up protection that disrupts production. UL Listed safety certification and robust NEMA-compliant enclosures (NEMA 1, 3R, 4, 12) help ensure compliant, durable operation. The device runs on 480 V systems with up to 1600 A, while offering top-feed practicality and optional ground fault features. With these specifications, procurement gains a rugged, scalable solution that reduces downtime and simplifies maintenance across industrial facilities.
Product Information
Extended Description
CB1633T120480GAO Eaton: Eaton pringle bolted pressure contact switch,BFD with three off lights (does not trip),1600A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480GAO
UPC
782116957033
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.
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
BFD with three normally off lights (does not trip)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633T120480GAO
Feature → Business Impact → Application: High current capacity of 1600 A at 480 V enables reliable protection for large feeders and multi-motor loads in manufacturing facilities, reducing unplanned outages and improving uptime in critical processes. Application: Suitably deployed in heavy electrical rooms and control panels where high amperage switching is required. Feature → Business Impact → Application: Top-feed fuse configuration simplifies cabinet wiring and reduces installation time, improving project timelines and reducing labor costs. Application: Ideal for new builds and retrofits in power distribution centers with limited space. Feature → Business Impact → Application: Three-pole design with ground fault capability (optional ground fault relay) enhances safety and fault isolation, lowering risk of electrical fires and equipment damage. Application: Suitable for industrial plants requiring robust protection with optional monitoring. Feature → Business Impact → Application: Charge-before-close mechanism provides controlled switching sequences, minimizing contact wear and extending device life in frequent cycling applications. Application: Useful in processes with high surge currents or repetitive start-stop cycles. Feature → Business Impact → Application: NEMA-rated enclosure compatibility (NEMA 1, 3R, 4, 12) ensures rugged operation in harsh environments, reducing enclosure upgrades and compliance concerns over time. Application: Deploy in wash-down areas or dusty, humid facilities. Feature → Business Impact → Application: Optional auxiliary contacts and Kirk provisions offer expandability for remote status and interlock schemes, supporting scalable automation architectures. Application: Integrates with modern PLCs and safety systems for enhanced control and visibility. Feature → Business Impact → Application: 180 lb unit with 16 in × 28 in × 24 in footprint supports durable, serviceable installations in retrofit projects, reducing field service complexity. Application: Suitable for panel upgrades and replacements in refurbished facilities. Warranty and support: One-year Eaton warranty and access to technical support shorten maintenance cycles and optimize lifecycle costs for plant operations.
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FAQs
Yes. The CB1633T120480GAO is designed for 480V systems and uses a top-feed configuration, facilitating straightforward integration into existing switchgear. It is a three-pole device with a fusible protection scheme, and it supports a 120V control circuit, making it compatible with common industrial control architectures and enabling a clean, efficient installation path.
The unit carries a 1600A amperage rating and employs fusible protection. This combination supports high-load applications while enabling reliable protection coordination with upstream protective devices. The switch is rated for 480V system voltage and uses a charge-before-close mechanism to improve switching reliability and contact life in demanding duty cycles.
Industries with heavy motor loads and stringent protection needs, such as steel, chemical processing, cement, and large-scale manufacturing, benefit most. The three-pole, top-feed design, UL listing, and NEMA enclosure compatibility make it ideal for control panels, switchgear rooms, and power distribution centers where reliability, safety, and long service life are critical.
The CB1633T120480GAO is UL Listed, signifying compliance with recognized safety standards for electrical devices. It also supports NEMA-rated enclosures (NEMA 1, 3R, 4, 12), indicating suitability for a range of harsh environments. Optional features such as ground fault relays and auxiliary provisions further support regulatory compliance and system safety.
The product carries Eaton's standard one-year warranty, complemented by access to technical support for installation and troubleshooting. Its robust build, high current rating, and optional monitoring features reduce downtime and maintenance costs over the system’s lifecycle, delivering a favorable total cost of ownership in demanding facilities.