Eaton CB1633B120480C Bolted Pressure Switch - UL Listed
Part Number: CB1633B120480C
Quick Summary
Eaton CB1633B120480C Bolted Pressure Switch provides high-current switching for industrial power distribution and control. Engineers often wrestle with bulky, complex assemblies; this unit simplifies wiring with a three-pole, three-wire design, bottom feed, and fusible protection. It carries UL Listed certification, reinforcing safety compliance across regulated facilities. Designed for integration with control transformers and matched CTs, it supports scalable, reliable operations in motor control centers and switchgear. This combination translates to reduced installation time and improved system reliability for heavy-duty applications.
Product Information
Extended Description
CB1633B120480C Eaton: Eaton pringle bolted pressure contact switch, With control power transformer,1600A,120V,Bottom feed,480V,Three-pole,Three-wire,Fusible. Includes AFGF relay and matched CT's.
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120480C
UPC
786689385248
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
175 lb
Certifications
UL Listed
Feed type
Bottom
Fuse configuration
Bottom feed
Number Of Poles
Three-pole
Number of wires
Three-wire
Type
Contact Switch
Amperage Rating
1600A
Control voltage
120 V
Protection
FUSIBLE
Voltage rating
480 V
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Double Up on Safety
Double Up on Safety
Double Up on Safety
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Eaton Specification Sheet - CB1633B120480C
High amperage rating of 1600A enables reliable handling of large motor loads and feeder circuits, reducing the number of parallel switches needed and enabling smoother panel design. Business impact: improved efficiency and space utilization in high-demand electrical rooms; application: power distribution cabinets and large MCCs. The 480V main voltage with 120V control voltage provides compatibility with common feeders and control circuits, enabling seamless interfacing with standard low-voltage control transformers. Application: industrial plants and process facilities; benefit: simplified wiring and safer control logic. Bottom feed fuse configuration and three-pole, three-wire construction simplify wiring topology and protection schemes, lowering installation time and potential miswiring. Application: switchgear assemblies; impact: consistent fault isolation and easier maintenance. Includes AFGF relay and matched CTs, delivering a ready-to-wire solution that reduces sourcing time and ensures measurement accuracy for protective relays. Application: control circuits and protection schemes; benefit: faster commissioning and reliable sensing. Large physical footprint (16 in L, 24 in W, 28 in H) and weight (175 lb) necessitate dedicated mounting space, ensuring robust support for high-current applications. Application: factory floors and equipment rooms; value: secure mounting and vibration resistance. UL Listed certification provides an auditable safety baseline for compliant installations in regulated facilities. Application: electrical rooms requiring formal safety validation; outcome: regulatory alignment and enhanced buyer confidence.
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FAQs
This switch is a large, bottom-fed, three-pole unit designed for high-current environments. Plan for a dedicated mounting space (approximately 16 in L x 24 in W x 28 in H) and ensure panel bus connections support 480 V main and 120 V control circuits. The unit ships with a control transformer pathway and CTs, simplifying mounting in new or retrofit panels.
The CB1633B120480C is rated for 1600A at 480V with a 120V control voltage and fusible protection. These ratings matter for selecting the correct device for large motor loads and feeder protection, ensuring the switch can safely interrupt fault currents and withstand continuous operation in demanding environments.
Yes. Its three-pole, three-wire configuration, bottom feed, and fusible protection are well-suited for motor control centers and switchgear in industrial facilities. The included AFGF relay and matched CTs support integration with protection relays and control schemes, facilitating reliable motor startup and protection coordination.
Comprehensive Eaton resources are available, including the Eaton Specification Sheet for CB1633B120480C and a detailed catalog entry. These documents cover wiring diagrams, mounting guidance, and compatibility notes to support accurate sourcing and efficient commissioning.
This device is UL Listed, providing a recognized safety certification for electrical assemblies in many regions. UL Listing supports compliance with electrical codes and company safety standards, reducing risk during audits and inspections while giving procurement confidence in the product’s safety profile.