Eaton CB1633B120480GA9 Pringle bolted pressure contact switch - UL Listed
Part Number: CB1633B120480GA9
Quick Summary
Eaton CB1633B120480GA9 is a bolted pressure contact switch used to protect and control large electrical machines in industrial power distributions. Engineers often battle nuisance trips and costly downtime due to inadequate protection and coordination. UL Listed with NEMA 1, 3R, 4, and 12 protection ratings ensures rugged operation in harsh factory environments. This model supports optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contacts for enhanced safety and configuration flexibility. Designed for industrial power control, it integrates with control transformers and auxiliary contact provisions to support safe sequencing and coordinated protection schemes in modern automation systems.
Product Information
Extended Description
CB1633B120480GA9 Eaton: Eaton pringle bolted pressure contact switch,BFD with three on lights (trips switch),1600A,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120480GA9
UPC
782116958580
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
200 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
Bottom
Fuse configuration
Bottom 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 on lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633B120480GA9
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 1600A amperage rating with 480V system protection. Business Impact: reduces device count, simplifies protection coordination, and lowers installation and maintenance costs. Application: ideal for main feeders and heavy motor circuits in switchgear and motor control centers. Feature: 120V control voltage with three-pole, bottom-feed configuration. Business Impact: streamlines integration with plant control systems and enables reliable charge-before-close operation. Application: supports centralized control power transformers and compact panel layouts in modern automation architectures. Feature: Fusible protection combined with bottom feed. Business Impact: provides selective protection, faster fault isolation, and safer startup sequences, reducing arc-flash exposure. Application: critical power paths in manufacturing lines and process equipment. Feature: UL Listed and NEMA ratings of 1, 3R, 4, and 12. Business Impact: ensures regulatory compliance, environmental ruggedness, and compatibility with a wide range of enclosures. Application: indoor plant rooms, outdoor installations, and harsh factory floors where protection matters. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. Business Impact: enhances fault diagnostics, safety signaling, and control-system integration with minimal retrofit. Application: upgrades to existing protection schemes and new installations requiring advanced coordination. Feature: Durable 200 lb enclosure and Eaton support with a one-year to eighteen-month warranty window. Business Impact: improves lifecycle planning, reduces spare-part inventories, and ensures timely service. Application: enterprise preventive maintenance programs and critical load protection strategies.
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FAQs
Install the switch in a compatible bottom-feed enclosure, secure the mounting, and route bottom-fed conductors to the fusible path. Connect the 120V control circuit and 480V main power per Eaton wiring diagrams, then verify ground connections and safety interlocks. Ensure proper clearance and adherence to lockout/tagout procedures during installation.
The switch is rated for 1600A at 480V with a 120V control circuit and three poles. It uses fusible protection and supports NEMA 1, 3R, 4, and 12 enclosures. It is UL Listed, making it suitable for demanding industrial applications and compliant with standard safety requirements.
Yes. With UL Listing and NEMA ratings 1, 3R, 4, and 12, the device is designed for rugged indoor and outdoor environments, including dusty or damp plant areas. The fusible protection and robust enclosure support reliable operation in motor control centers and switchgear under challenging conditions.
Optional features include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. These enhancements improve fault diagnosis, safety signaling, and control-system integration, enabling coordinated protection schemes and easier retrofit in existing installations.
Warranty is Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. For service or replacement, keep installation/shipment documentation and contact Eaton support or your distributor. This policy supports maintenance planning and total-cost-of-ownership considerations for critical loads.