Eaton CB1633T120480K7 Pressure Contact Switch - UL Listed
Part Number: CB1633T120480K7
Quick Summary
Eaton CB1633T120480K7 pressure contact switch protects high-current equipment by delivering reliable interlock and trip control in industrial power panels. Engineers often confront space constraints, wiring complexity, and the need for dependable protection that minimizes unplanned downtime. UL Listed safety certification accompanies robust NEMA compatibility, with ratings including NEMA 1, 3R, 4, and 12 to withstand varied environments. The combination of top-feed wiring, fusible protection, and a 1600A rating helps simplify panel design and improve maintenance efficiency. This makes the CB1633T120480K7 a strong fit for automation and power-distribution applications where reliability and safety are non-negotiable. With Eaton's global support and readily available accessories, maintenance teams can streamline replacement, testing, and documentation across facilities.
Product Information
Extended Description
CB1633T120480K7 Eaton: Eaton pringle bolted pressure contact switch,Interlock,1600A,2NO-2NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480K7
UPC
782116956883
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
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
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
Interlock
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 - CB1633T120480K7
High-current capability: The switch is rated for 1600A and 480V system voltage, enabling direct control of large motors and feeders. Business impact: reduces the need for additional devices and simplifies wiring, accelerating panel assembly and commissioning. Application: main disconnects in heavy-duty control panels and feeder cabinets. 2NO-2NC contact configuration: Provides flexible signaling paths for interlocks, alarms, and shutdown circuits. Business impact: supports complex safety interlocks and fault-detection logic without adding extra components. Application: safety-critical interlock systems in packaging lines, material handling, and processing equipment. Top feed and fusible protection: Top-feed design simplifies conduit routing and protects circuits with replaceable fuses. Business impact: easier installation, faster service, and targeted protection for each leg. Application: upstream protection in switchboards and control panels. Three-pole, three-wire configuration: Robust three-phase control with clear fault isolation. Business impact: improves reliability and simplifies wiring schemes for three-phase applications. Application: industrial power distribution and motor control centers. NEMA rating and UL Listed: Meets common environmental requirements and safety standards. Business impact: regulatory compliance and broader deployment options across facilities. Application: diverse industrial environments. Optional protection features: Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contacts, and Kirk provisions. Business impact: enhanced diagnostics, selective protection, and faster maintenance planning. Application: advanced safety and protection schemes in automated lines.
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FAQs
CB1633T120480K7 uses a 2NO-2NC configuration in a three-pole, top-feed design and supports 1600A at 480V with 120V control. It pairs with Eaton switching devices and facilitates straightforward wiring in control panels, reducing conduit runs and integration time.
The switch delivers 1600A amperage rating and 480V system voltage, with fusible protection and a top-feed configuration. This combination supports direct motor and feeder control, improving reliability and reducing the number of separate protective devices required in panel assemblies.
Yes. It carries UL Listed certification and supports NEMA ratings including 1, 3R, 4, and 12, enabling use across a range of environments from dry to damp and weather-protected enclosures. This helps ensure compliance and safer operation in industrial settings.
The product is UL Listed and designed to meet common NEMA enclosure standards (NEMA 1, 3R, 4, 12). Optional features such as ground fault and auxiliary provisions further enhance protection and diagnostic capabilities in regulated environments.
The top-feed fusible design, high amperage rating, and modular accessories reduce downtime during maintenance and allow targeted protection. With Eaton’s support and available spare parts, facilities can shorten mean time to repair and improve overall equipment reliability.