Eaton CB1233T120480E7 Bolted Pressure Switch - UL Listed
Part Number: CB1233T120480E7
Quick Summary
The Eaton CB1233T120480E7 bolted pressure contact switch is designed for high-capacity electrical protection in industrial control panels. Engineers often struggle with arc energy management, transformer sizing, and CT matching in enclosed switchgear. UL Listed certification reinforces safety compliance, while the top-feed, three-pole design supports reliable protection in harsh environments. Combined with a control power transformer and an arc energy reduction relay, it reduces wiring complexity while speeding protection actions. This is well suited for industrial panels, motor control centers, and process lines where uptime matters. Its 1200A rating at 480V with 120V control voltage supports heavy-duty protection without frequent replacements.
Product Information
Extended Description
CB1233T120480E7 Eaton: Eaton pringle bolted pressure contact switch, With control power transformer, 1200A, Top feed, 480 V, 3 pole, Three-wire, Fusible. Includes Arc Energy Reduction Relay and matched CT's
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480E7
UPC
786689877392
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
175 lb
Certifications
UL Listed
Feed type
Top
Fuse configuration
Top feed
Number Of Poles
Three-pole
Number of wires
Three-wire
Amperage Rating
1200A
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
Feature: Top-feed, three-pole fusible protection is engineered for straightforward installation in mid- to high-voltage switchgear. Business Impact: Minimizes busbar length and wiring complexity, reducing startup time and field errors. Application: Ideal for large control panels and process lines where space and reliability are critical. Feature: Arc Energy Reduction Relay combined with matched CTs improves trip coordination and reduces arc flash energy. Business Impact: Enhances operator safety and reduces incident severity while ensuring accurate current sensing. Application: Suitable for high-current protective schemes in switchgear assemblies. Feature: Built-in control power transformer simplifies enclosure design by providing the required control voltage without external power sources. Business Impact: Lowers wiring runs and panel footprint, speeding commissioning. Application: Benefits retrofits and new installations in factory automation environments. Feature: 1200A, 480V main voltage with 120V control voltage, three-wire configuration, and fusible protection. Business Impact: Enables robust protection for heavy equipment with compatible control circuits. Application: Well-matched for motor control centers and process lines. Feature: UL Listed certification confirms compliance with recognized safety standards. Business Impact: Facilitates regulatory approvals and reduces compliance risk. Application: Recommended for safety-conscious industrial deployments requiring proven certification. Feature: Physical footprint and interoperability with ARMS enclosed assemblies and CT-based protection schemes. Business Impact: Streamlines integration with existing Eaton ARMS systems and accelerates field deployment. Application: Fits in standard 16 in L x 24 in W x 28 in H enclosures for robust, scalable protection.
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FAQs
This unit features top-feed, three-pole, fusible protection designed for straightforward mounting in mid- to high-voltage switchgear. Plan for a compact enclosure footprint and ensure compatible control circuits are wired to the 120V control voltage. Utilize the built-in transformer where possible to minimize external components, and coordinate arc energy reduction with the protective relay to optimize safety and performance.
The device is rated for 1200A at 480V with a 120V control circuit. It uses a top-feed, three-wire configuration and is fusible, offering robust protection for demanding industrial environments. The unit also includes an arc energy reduction relay and matched CTs to ensure accurate protection coordination and measurement.
Yes. The switch is UL Listed, which aligns with common safety requirements for enclosed switchgear and control panels. Its integrated transformer and arc energy reduction features support safer operation in enclosed assemblies, while the matched CTs provide reliable protection signaling for coordinated trips.
Industries using large motor loads, process lines, and heavy-duty control panels benefit most. The 1200A rating at 480V supports main protection, while the 120V control circuit simplifies integration with standard control systems. It is well suited for motor control centers and process automation environments requiring robust, scalable protection.
The arc energy reduction relay lowers potential arc flash energy, reducing risk and potential downtime. Matched CTs ensure precise current sensing, improving protection accuracy and reducing nuisance trips. Together, they shorten commissioning time, lower maintenance costs, and extend equipment life by preventing over-tripping and electrical wear.