Eaton CB1233B120240AXCT Bolted Pressure Switch - NEMA 4
Part Number: CB1233B120240AXCT
Quick Summary
CB1233B120240AXCT bolted pressure switch provides high-current protection for industrial switchgear and motor control centers. Facility teams often struggle with reliable fault-tripping while maintaining continuous control power, especially during high-demand loads. UL Listed certification and broad NEMA ratings—from NEMA 1 to 12—support safety and enclosure compatibility in challenging environments. The design aligns with low-voltage control schemes and standard switchgear layouts, delivering dependable protection, easier installation, and long-term cost of ownership for your power distribution infrastructure. This combination enables engineers to meet uptime targets while simplifying procurement and maintenance across multiple sites.
Product Information
Extended Description
CB1233B120240AXCT Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),,1200A,120V,Bottom feed,No ground fault,240,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B120240AXCT
UPC
782116956654
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
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
240 V
Voltage - max
240
Voltage rating
240V
Special features
BFD with no lights (trips switch), with control power transformer
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1233B120240AXCT
Feature: High-current 1200A amperage rating enables direct protection of large feeders. Impact: Reduces the need for parallel switches and lowers installation and lifecycle costs. Application: Suitable for main feeders in switchgear, motor control centers, and heavy industrial panels. Feature: Bottom feed fuse configuration and fusible protection. Impact: Simplifies wiring, improves fault isolation, and supports standard fusing practices. Application: Ideal for bottom-fed, enclosed switchgear where quick replacement and reliable fuse coordination are critical. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. Impact: Enables flexible protection schemes and easier integration with protective relays. Application: Retrofit-ready in control panels and switchgear along with auxiliary circuits. Feature: Broad enclosure compatibility via NEMA ratings (1, 3R, 4, 12) and UL Listed certification. Impact: Ensures regulatory compliance and safer operation in varied environments. Application: Plant floors, outdoors, and harsh environments requiring robust protection. Feature: Physical dimensions and weight (16 in L, 32 in H, 24 in W, 200 lb). Impact: Provides accurate space planning for panel mounting, installation, and transportation. Application: Large enclosure installations in process facilities and power distribution rooms.
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FAQs
Installation considerations include a bottom-feed configuration to align with your control panel design, a footprint compatible with a large enclosure (16 in L x 32 in H x 24 in W) and an approximate 200 lb weight. Ensure adequate clearance for maintenance and access to optional features such as ground fault relay and auxiliary contacts. Confirm that wiring matches the 3-wire, three-pole configuration and that control power transformers are sized to support a 120 V control circuit.
The CB1233B120240AXCT offers a 1200A amperage rating with 120 V control voltage and 240 V system voltage in a three-pole, fusible design. It supports bottom feed and is rated for NEMA environments including 1, 3R, 4, and 12. The device is UL Listed, with optional protective features like ground fault relay and blown fuse detection to tailor protection schemes.
Yes, CB1233B120240AXCT is designed for bottom feed with a bottom fuse configuration, simplifying wiring in bottom-fed switchgear. It uses a three-wire, three-pole arrangement and is intended for integration with standard control power transformers in low-voltage circuits. This makes it straightforward to coordinate protection with existing panel layouts and reduces wiring complexity during retrofit projects.
CB1233B120240AXCT is UL Listed, indicating compliance with recognized safety standards for electrical components. It also offers broad NEMA ratings—1, 3R, 4, and 12—ensuring enclosure compatibility across indoor and outdoor environments and harsh industrial settings. These certifications support regulatory adherence, safer operation, and smoother inspections for power distribution and switchgear projects.
Maintenance considerations center on the fusible protection, reliability of the charge-before-close mechanism, and availability of optional features like ground fault relay and auxiliary contacts to tailor protection. The unit carries Eaton’s 25-000 warranty and provides long service life in high-demand applications, reducing downtime and lifecycle costs. This translates into lower maintenance intervals and improved uptime for critical manufacturing and processing lines.