Eaton CB1634B120480C Bolted Pressure Contact Switch - UL Listed
Part Number: CB1634B120480C
Quick Summary
Bolted pressure contact switch, Eaton CB1634B120480C, provides high-current control for large switchgear and motor control centers. Engineers often wrestle with bottom-feed, three-wire configurations that complicate wiring and protection; this unit integrates a control transformer and matched CTs to simplify installation and reduce errors. UL Listed certification ensures safety and reliability in harsh industrial environments, while the three-pole fusible design supports robust protection. Designed for rugged industrial panels, it complements CT-based protection schemes and helps streamline procurement and maintenance.
Product Information
Extended Description
CB1634B120480C Eaton: Eaton pringle bolted pressure contact switch, With control power transformer,1600A,120V,Bottom feed,480V,3 pole,Three-wire,Fusible. Includes AFGF relay and matched CT's (with CT for a neutral-neutral not included).
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1634B120480C
UPC
786689413385
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
Amperage Rating
1600A
Control voltage
120 V
Protection
FUSIBLE
Voltage rating
480 V
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - CB1634B120480C
Feature: Very high amperage rating of 1600A with a three-pole, bottom-feed, fusible configuration. Business Impact: Enables direct integration into large switchgear and reduces external components, saving space and shortening installation time. Application: Ideal for heavy-duty electrical panels in utilities, mining, and manufacturing environments. Feature → Business Impact → Application. Feature: Built-in control power transformer and three-wire control circuit. Business Impact: Simplifies control wiring, lowers total installed cost, and accelerates commissioning. Application: Streamlined integration in 120 V control schemes for complex motor control centers. Feature: Includes AFGF relay and matched CTs (neutral-neutral CT not included). Business Impact: Improves protection accuracy and fault sensing, enabling precise relay coordination. Application: Protective relaying in high-current switchgear. Feature: UL Listed and rugged construction with 16 in depth, 28 in height, 24 in width, and 175 lb weight. Business Impact: Facilitates procurement through compliance and predictable installation clearances. Application: OEM and end-user panel builders requiring reliable, compliant components. Feature: Bottom feed fuse configuration and three-wire, three-pole design. Business Impact: Enhances safe fault isolation and simplifies wiring architectures. Application: Large-scale industrial control panels and switchboard assemblies.
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FAQs
CB1634B120480C is designed for large switchgear and motor control centers, with a bottom-feed, three-wire, three-pole configuration. It integrates a control transformer and matched CTs, simplifying wiring within standard ARMS and similar Eaton architectures. Ensure available space is sufficient for the 16 in depth, 24 in width, and 28 in height, and verify clearance for mounting and cable ingress within the enclosure.
Key ratings include 1600A amperage, 480V main voltage, and 120V control voltage. The unit ships with matched CTs for accurate current sensing in protection schemes; note that CTs for neutral-neutral are not included. CT placement should align with the protection relay inputs to ensure correct fault isolation and coordination with upstream devices.
Bottom-feed configuration allows convenient wiring and protection assembly at the enclosure base, reducing top-side clutter and enhancing fault isolation. The CB1634B120480C is engineered as a fusible, three-pole device with bottom-feed inputs, compatible with common industrial protection schemes and straightforward field wiring.
Yes, CB1634B120480C is UL Listed, confirming adherence to recognized safety standards for industrial control equipment. This certification supports regulatory compliance, supplier qualification, and safer procurement in critical applications such as large switchgear and motor control centers.
The integrated control transformer and CTs reduce external components and wiring, cutting installation time and potential wiring errors. The heavy-duty 1600A rating and fusible design improve protection reliability, reducing downtime and replacement costs in high-demand environments, which translates to lower total cost of ownership over the equipment’s life cycle.