Eaton CB1233T120480E Bolted Pressure Contact Switch - UL Listed
Part Number: CB1233T120480E
Quick Summary
Eaton CB1233T120480E bolted pressure contact switch provides rugged control power isolation for industrial distribution and protection panels. Panel builders often struggle with large current ratings, compact mounting, and reliable arc suppression under harsh plant conditions. UL Listed protection ensures safety compliance in electrical assemblies, while its three-pole, fusible design supports coordinated protection strategies in high-power panels. This combination delivers faster installation, reduced downtime, and predictable maintenance costs, while enabling seamless integration with top-feed configurations, an arc energy reduction relay, and matched CTs for accurate protection. The unit includes a control power transformer and is rated for 480 V line with 120 V control, simplifying panel layout. With Eaton reliability, it reduces installation risk and supports shop efficiency.
Product Information
Extended Description
CB1233T120480E Eaton: Eaton pringle bolted pressure contact switch, With control power transformer,1200A,120V,Top feed,480V,Three-pole,Three-wire,Fusible. Includes Arc Energy Reduction Relay and matched CT's.
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480E
UPC
786689526368
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
180 lb
Certifications
UL Listed
Feed type
Top
Number Of Poles
Three-pole
Number of wires
Three-wire
Type
Contact Switch
Amperage Rating
1200A
Control voltage
120 V
Protection
FUSIBLE
Voltage rating
480 V
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1233T120480E
Feature: High-current capability of 1200A delivers protection for large feeders, reducing the number of devices and wiring in main distribution panels. Impact: Improves reliability and lowers total installed cost by consolidating functions into a single, rugged switch. Application: Ideal for switchgear and bus duct installations where high current handling is essential. Feature: Top feed and three-pole, three-wire configuration simplifies mounting and wiring in compact enclosures. Impact: Speeds up installation, minimizes enclosure openings, and enhances fault clearance clarity. Application: Common in industrial control panels with limited space and strict wiring standards. Feature: Includes control power transformer and Arc Energy Reduction Relay with matched CTs. Impact: Reduces switching energy, mitigates arc flash risk, and provides accurate current sensing for protection coordination. Application: Critical in equipment that serves continuous operation and safety compliance. Feature: Fusible protection coupled with UL Listed certification. Impact: Aligns with safety requirements and enables predictable protection strategy, aiding regulatory compliance and audit readiness. Application: Suitable for safety-critical power distribution and motor control applications. Feature: Three-pole, three-wire design with 480 V rating and 120 V control. Impact: Streamlines control logic, improves isolation quality, and supports robust interlocks in heavy-industrial environments. Application: Fits high‑power panels, MCCs, and distribution assemblies needing reliable disconnects.
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FAQs
For top-feed installations, mount the CB1233T120480E on a sturdy panel surface and connect the top-feed conductors per the schematic. Use the three-wire configuration to ensure correct control wiring, and verify the unit’s control power transformer is connected to the 120 V control circuit. Ensure all wiring follows UL-listed standards and use CTs as specified for accurate protection coordination.
Key specs include a 1200A amperage rating, a 480V line voltage, and a 120V control voltage. It is fusible, three-pole, three-wire, with UL Listed certification. The device is designed for top-feed applications and includes a control power transformer along with arc energy reduction features and matched current transformers for precise protection.
Yes. With a 1200A rating and 480V capability, this switch provides robust isolation and protection for large feeders in motor control panels. Its fusible design, arc energy reduction relay, and matched CTs support safe operation, efficient fault clearing, and coordinated protection—essential for maintaining uptime in manufacturing environments.
CB1233T120480E is UL Listed, signaling compliance with applicable safety standards for industrial controls. This certification helps streamline regulatory audits and supplier qualifications. When used within a UL-listed system, it supports safer installations and consistent performance in high-power panel assemblies.
Expected benefits include reduced downtime due to reliable high-current switching and integrated protection features, such as arc energy reduction and matched CTs, which improve protection accuracy. The included control transformer simplifies panel design, saving installation time. Over the life of the equipment, lower maintenance costs and fewer component replacements contribute to a favorable return on investment.