Eaton CB1633B120480PC Pressure switch - UL Listed
Part Number: CB1633B120480PC
Quick Summary
Eaton CB1633B120480PC is a bolted pressure switch designed for high-current motor protection in industrial control panels. Engineers and procurement teams often struggle with nuisance trips, limited protection options, and field maintenance in harsh environments. This model carries UL Listed certification and supports NEMA-rated enclosures (NEMA 1, 3R, 4, 12) for dependable service in demanding applications. The 1600A amperage, 120/480V system compatibility, and capacitor trip device enable reliable protection within modern control architectures, while optional ground fault and auxiliary provisions expand its versatility. By choosing this switch, facilities gain improved safety, reduced downtime, and lower lifecycle costs in power distribution and motor control applications.
Product Information
Extended Description
CB1633B120480PC Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (Taylor),1600A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120480PC
UPC
782116958719
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
1600A
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 (Taylor)
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - CB1633B120480PC
Feature → 1600A amperage rating provides robust protection for large motors and feeders. Business Impact → Minimizes fuse replacements and nuisance trips, improving uptime and maintenance efficiency. Application → Motor feeders in MCCs and industrial switchgear. Feature → 120/480V system voltage compatibility. Business Impact → Simplifies panel design and reduces wiring complexity across control circuits. Application → Industrial power distribution and control panels. Feature → Three-pole bottom feed fusible design. Business Impact → Compact installation with integrated protection, reducing cabinet space and wiring error risk. Application → Factory automation panels and switchgear. Feature → capacitor trip device for single-phase protection. Business Impact → Faster, controlled trips with reduced fault energy, protecting downstream equipment. Application → Single-phase motor circuits and power feeds. Feature → UL Listed certification and NEMA ratings (1, 3R, 4, 12). Business Impact → Compliance and enclosure versatility improve safety approvals and field serviceability. Application → Harsh environments and regulated installations. Feature → Optional Ground Fault Relay, Blown Fuse Detection, and auxiliary provisions. Business Impact → Extended protection coverage and retrofit flexibility. Application → Retrofit projects and complex control schemes. Note: This model is designed for reliability in industrial settings and aligns with modern control architectures to deliver measurable downtime reduction and lifecycle cost savings.
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FAQs
Plan for bottom-feed wiring and fuse-protected protection; ensure enclosure supports NEMA ratings and that wiring matches a 480V system with a 120V control circuit. Verify torque specs and compatibility with the capacitor trip device and any auxiliary contacts.
The switch is rated for 1600A, with system voltage 480V and control voltage 120V. It is a three-pole, fusible device designed for single-phase protection with a capacitor trip feature to ensure reliable, coordinated tripping in high-current circuits.
Yes. Its high current rating, fusible protection, and UL listing make it suitable for MCCs and switchgear where robust protection and maintainable field service are priorities. Optional provisions enhance retrofit compatibility.
UL Listed certification is provided, and the device supports NEMA ratings including 1, 3R, 4, and 12, enabling use in a range of indoor and outdoor industrial environments.
Expect fewer nuisance trips due to the capacitor trip device, easier maintenance with bottom-feed design, and longer service life. This translates into reduced downtime and lower overall maintenance costs in power distribution and motor protection.