Eaton CB1233B1204807 bolted pressure switch - UL Listed
Part Number: CB1233B1204807
Quick Summary
Eaton CB1233B1204807 bolted pressure switch is a high-current device designed for main power protection in industrial panels. Engineers often struggle to find a switch that reliably interrupts 1200A while fitting tight cabinet spaces and meeting rigorous safety requirements. UL Listed certification underpins safety compliance, while its broad NEMA ratings—NEMA 1, 3R, 4 and 12—support installation in diverse environments. This solution also delivers a robust control interface with 120 V control voltage and 480 V system voltage, enabling straightforward integration with existing automation architectures. By aligning with standard Eaton support and a one-year warranty, it provides predictable procurement and long-term value for industrial power distribution projects.
Product Information
Extended Description
CB1233B1204807 Eaton: Eaton pringle bolted pressure contact switch,1200A,2NO-2NC,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B1204807
UPC
782116956623
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.
Contact configuration
2 NO-2 NC
Feed type
Bottom
Fuse configuration
Bottom 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
1200A
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
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1233B1204807
Feature: 1200A amperage rating with 2 NO-2 NC contact configuration. Business Impact: Enables safe, reliable interruption of heavy loads, reducing the risk of arc flash and equipment damage. Application: Main feeders for motors and process lines in large facilities. Paragraph two: Feature: Bottom feed fuse configuration. Business Impact: Simplifies wiring, improves fault clearance, and reduces panel depth requirements. Application: Compact switchgear installations where bottom-fed protection is advantageous. Paragraph three: Feature: Three-pole, three-wire arrangement. Business Impact: Ensures robust multi-phase protection and clean isolation across all poles. Application: 3-phase power distribution in manufacturing and processing plants. Paragraph four: Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contact Provisions. Business Impact: Enhances fault visibility and protection coordination, lowering downtime and maintenance costs. Application: Critical process lines requiring enhanced diagnostics. Paragraph five: Feature: UL Listed and broad NEMA ratings (1, 3R, 4, 12). Business Impact: Simplifies compliance and broadens install options across harsh or damp environments. Application: Enclosures and outdoor or industrial settings. Paragraph six: Feature: Heavy-duty construction with bottom-feed, strike-safe interface and warranty coverage. Business Impact: Reduces lifecycle costs and provides reliable service in high-demand applications. Application: Long-term installations in power distribution panels and switchgear.
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FAQs
To install CB1233B1204807, verify panel compatibility with NEMA ratings, ensure cabinet space for 16x24x32 in, mount using bottom-feed terminals, connect three-phase feeds and control wiring to 120 V control circuit, add fuse protection as required, and incorporate optional auxiliary contacts or ground fault relay if needed. Follow Eaton installation guidelines and local codes for safe commissioning.
The switch handles 1200 A at a system voltage of 480 V with a 120 V control circuit, in a 3-pole, 3-wire configuration with fusible protection. It uses a charge-before-close mechanism for safe operation and is suitable for protecting heavy motor feeders and process lines. Proper coordination with upstream devices ensures selective protection and minimized downtime.
Yes. The device is designed for 3-phase power distribution with a three-pole, three-wire arrangement and NEMA ratings suitable for industrial environments. It provides robust isolation and protection for large motors, process equipment, and main feeders, making it appropriate for manufacturing facilities, power distribution rooms, and heavy industry panels.
The CB1233B1204807 is UL Listed, ensuring compliance with established electrical safety standards. It also supports broad NEMA ratings (1, 3R, 4, 12), enabling install flexibility across various enclosures and environments. Optional features like ground fault relay and auxiliary contacts can further enhance protection and regulatory alignment for specific applications.
Warranty follows Eaton policy 25-000: one year from the date of installation or eighteen months from shipment, whichever occurs first. Regular inspections of contacts, fuses, and wiring maximize uptime. The unit’s rugged construction and availability of optional diagnostics help reduce unplanned replacements and optimize total cost of ownership across large installations.