Eaton CB1633T120480GAR7 Bolted Pressure Switch - UL
Part Number: CB1633T120480GAR7
Quick Summary
The Eaton CB1633T120480GAR7 bolted pressure switch provides reliable overcurrent protection for three-pole electrical panels and motor control centers. Engineers frequently contend with nuisance trips, slow fault detection, and coordination gaps in grids and drives, which impact uptime and maintenance costs. UL Listed certification, along with NEMA 1, 3R, 4, and 12 enclosure compatibility, ensures safe installations across harsh environments. The unit supports top-feed wiring, a 1600A rating, and 480 V system voltage with a 120 V control circuit, enabling compact control power topology. Optional ground fault, blown fuse detection, and single-phase protection features further enhance safety and reliability, delivering lower total cost of ownership for demanding industrial applications.
Product Information
Extended Description
CB1633T120480GAR7 Eaton: Eaton pringle bolted pressure contact switch,BFD with three off lights (trip switch),1600A,2NO-2NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480GAR7
UPC
782116957040
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
BFD with three normally off lights (trip switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633T120480GAR7
1600A amperage rating paired with a 2 NO-2 NC contact configuration enables direct switching of large motors and feeders, reducing reliance on auxiliary contactors and minimizing control cabinet footprint. This reduces heat, wear, and downtime, yielding longer life for the switch and driven equipment. Ideal for motor control centers and high-demand feeders in manufacturing lines. Top feed wiring and a fusible top-feed configuration simplify installation in compact switchgear, allowing faster commissioning and easier field wiring. With 480V system voltage and a 120V control circuit, it aligns with common industrial power architectures while maintaining safe separation between control and power circuits. The built-in charge-before-close mechanism adds protection against arcing during energization. Ground fault capability, along with optional Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection, delivers proactive safety and fault diagnosis. These features help catch leakage, fuse failure, or incorrect phase conditions before damage occurs, reducing unplanned downtime and extending equipment life in process lines and power distribution panels. NEMA ratings of 1, 3R, 4, and 12 provide enclosure versatility for indoor, outdoor, and rugged environments, ensuring compliance with industry codes across facilities. The fusible protection coordinates with upstream fusing schemes to improve system safety and fault clearing performance. The BFD with three normally off lights provides immediate visual trip status for operators and maintenance crews. Designed for installation in environments with top-feed, three-wire wiring, the CB1633T120480GAR7 supports 3-phase protection with a ground fault transformer, minimizing wiring complexity. The 16 x 28 x 24 inch footprint and 180 lb weight place this switch in dedicated equipment rooms or switchgear bays with predictable service access. Its one-year warranty supports long-term maintenance planning and service contracts, reinforcing lifecycle cost efficiency for plant operators.
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FAQs
CB1633T120480GAR7 is ideal for motor control centers, large distribution panels, and heavy industrial drives where high-current switching, robust fault protection, and reliable trip performance are critical. Its three-pole, 2NO-2NC configuration supports direct switching of large motors with top-feed wiring for streamlined installations.
It offers 1600A amperage rating, 480V system voltage, a 120V control circuit, and fusible protection. The switch is designed for NEMA 1, 3R, 4, and 12 enclosures, with a top-feed configuration to simplify wiring in standard switchgear.
Yes, it is UL Listed. This certification provides recognized safety coverage and eases regulatory compliance across industries, simplifying procurement and ensuring compatibility with other UL-listed Eaton devices in your panel.
Yes. Optional Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection are available to enhance safety and detection capabilities, reducing unplanned downtime and improving fault diagnosis in power distribution and process lines.
Plan for top-feed, three-wire wiring in a suitable enclosure with a 16x28x24 inch footprint and a 180 lb weight. The unit supports 480V systems and a 120V control circuit, with 2NO-2NC contacts for flexible integration into existing MCCs and switchgear layouts.