Eaton CB1233B120480RARCT Bolted Pressure Switch - UL Listed
Part Number: CB1233B120480RARCT
Quick Summary
Introducing the Eaton CB1233B120480RARCT bolted pressure contact switch for robust motor protection in industrial power distribution. Operators often wrestle with nuisance trips and unplanned downtime when protection devices aren’t calibrated for fast, dependable trip behavior. This unit delivers single-phase protection with a capacitor trip device (SPVR) and fault-indicating features, reducing unplanned outages and extending equipment life. It carries UL Listed certification and is designed for compatibility with standard NEMA enclosures, ensuring reliable performance in harsh environments. The switch supports bottom feed, three-pole operation, and fusible protection, with selectable auxiliary and Kirk provisions to match control schemes. In practice, it translates to lower total cost of ownership through improved reliability and easier maintenance in heavy-duty facilities.
Product Information
Extended Description
CB1233B120480RARCT Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three off lights (trips switch),1200A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B120480RARCT
UPC
782116956463
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
480 V
Voltage - max
480 V
Voltage rating
480 V
Special features
Single-phase voltage relay with capacitor trip device (SPVR), BFD with three normally off lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB1233B120480RARCT
Feature SPVR and BFD indicators: The single-phase voltage relay with capacitor trip device (SPVR) delivers fast, coordinated tripping, while the three normally off lights (BFD) provide instant trip status. Business Impact: Faster fault detection and reduced downtime, with clearer diagnostics for maintenance teams. Application: Motor control panels and power distribution where reliable, visible protection is critical. Feature High-current capability: 1200A amperage rating at 480V system voltage and 120V control voltage. Business Impact: Supports large motors and feeders while maintaining coordinated protection, lowering the risk of damage from short circuits. Application: Heavy‑duty manufacturing lines and large processing equipment. Feature Robust installation options: Bottom feed, three-pole, three-wire configuration with fusible protection and Kirk/auxiliary provisions. Business Impact: Simplifies wiring, streamlines panel upgrades, and enhances control integration without custom housings. Application: New builds or retrofits in existing electrical rooms. Feature Enclosure and certification readiness: NEMA ratings (1, 3R, 4, 12) with UL Listed approval. Business Impact: Peace of mind for regulatory compliance and compatibility with standard enclosures. Application: Enclosed electrical rooms and outdoor or harsh environments. Feature Optional features and serviceability: Optional Ground Fault Relay and auxiliary provisions help tailor protection per site needs. Business Impact: Improves protection coverage and reduces replacement costs through targeted fault detection. Application: Facilities requiring ground-fault protection or custom control logic.
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FAQs
Install the CB1233B120480RARCT in a compatible enclosure with bottom-feed wiring, ensuring three-wire connections per the user manual. Verify three-pole alignment and incorporate available Kirk provisions or auxiliary contacts to fit your control scheme. For best results, follow Eaton’s installation guidelines and verify SPVR wiring to ensure reliable capacitor-tripped protection.
The switch provides 1200A amperage rating with a 480V system voltage and a 120V control voltage, enabling robust protection for large motors and feeders in industrial settings. It supports single-phase protection with a capacitor trip device (SPVR) for fast, coordinated tripping in demanding applications.
Yes. Catalog notes indicate optional Ground Fault Relay, auxiliary contact provisions, and Kirk provisions are available, allowing customization to fit site-specific control and protection schemes and improving fault visibility and control integration.
This switch is UL Listed for electrical safety. It is compatible with standard enclosure ratings such as NEMA 1, NEMA 3R, NEMA 4, and NEMA 12, supporting reliable operation in various indoor and outdoor industrial environments.
Expect lower downtime and fewer nuisance trips due to fast SPVR-based protection and reliable trip indicators (BFD). The 1200A/480V rating supports large motors, reducing failure risk and maintenance costs, while UL-listed certification helps simplify compliance and reduces panel upgrade risks.