Eaton CB1633B120480RAR Bolted Pressure Switch - UL Listed
Part Number: CB1633B120480RAR
Quick Summary
Eaton CB1633B120480RAR is a bolted pressure contact switch for single-phase protection in MCCs and switchgear. Customers struggle with downtime from nuisance trips and limited protection options. UL Listed certification, NEMA 1–4 and 12 enclosure compatibility, and SPVR with capacitor trip provide robust protection. This design supports reliable operation in 480V systems with 1600A capacity, while optional features simplify maintenance and compliance. Its SPVR and BFD indicators help technicians quickly verify trips during commissioning and reduce unintended outages. Warranty aligns with Eaton's policy, ensuring post-install support and parts availability. This combination makes CB1633B120480RAR a practical choice for retrofit projects where space and compatibility matter. Engineers can rely on Eaton's documentation and the included specification sheet to speed procurement and commissioning.
Product Information
Extended Description
CB1633B120480RAR Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three off lights (trips switch),1600A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120480RAR
UPC
782116958696
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 (SPVR), BFD with three normally off lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633B120480RAR
The three-pole bolted pressure contact design delivers 1600A capacity, enabling a single, decisive protective action for 480V feeders. This reduces nuisance trips and wear on downstream equipment, lowering maintenance costs and unplanned outages in critical lines. It is well suited for motor control centers and large switchgear where high-duty protection is essential. The SPVR with capacitor trip improves trip coordination, shortening fault-clearing times and enhancing operator safety during commissioning and routine operations. This translates to improved uptime and easier troubleshooting in busy industrial environments. Optional Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection extend diagnostics and protection coverage, supporting faster fault isolation and reduced spare parts. Bottom feed and compatibility with Kirk provisions and auxiliary contacts simplify retrofits and future upgrades. UL Listed certification and a rugged enclosure design support harsh environments, while Eaton’s warranty policy adds post-install assurance for long-term value.
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FAQs
CB1633B120480RAR is designed for bottom-feed installation in low-voltage switchgear and MCC panels. Its three-pole, fusible configuration aligns with standard 480V feeders, while NEMA enclosure compatibility (1, 3R, 4, 12) supports reuse in diverse environments. When retrofitting, verify space for 16 in length, 24 in width, and 32 in height, and plan for SPVR wiring and any optional ground fault or auxiliary provisions. Confirm clearance for future maintenance and ensure grounding per site standards.
CB1633B120480RAR provides a 1600A amperage rating with 480V system voltage and 120V control voltage, configured as a three-pole, three-wire device. Protection is fusible, with single-phase protection via SPVR and a capacitor trip device (BFD). It is UL Listed and supports naming options like Ground Fault Relay and Blown Fuse Detection for enhanced diagnostics and protection coordination in industrial feeders.
Yes. The unit is purpose-built for 480V systems with a 1600A rating and three-pole configuration, making it suitable for large feeders in manufacturing plants. Its SPVR with capacitor trip allows quick, reliable protection against single-phase faults, while optional features improve fault detection and maintenance. Its NEMA compatibility enables integration into common enclosures used in industrial environments.
CB1633B120480RAR is UL Listed, which supports safety certification requirements for electrical equipment in many markets. It also carries NEMA enclosure ratings (1, 3R, 4, 12), indicating suitability for various environmental conditions. Optional provisions (Ground Fault Relay, Blown Fuse Detection, Auxiliary Contacts) further support compliance with plant safety standards and maintenance practices.
The product follows Eaton's warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This, combined with UL Listed certification and modular protections, reduces downtime risk and simplifies spares planning. The availability of optional features like Ground Fault Relay and Blown Fuse Detection enhances diagnostic capabilities, delivering lower total-cost-of-ownership over the equipment’s life.