Eaton CB1633T120480GPARC Pringle switch - UL Listed
Part Number: CB1633T120480GPARC
Quick Summary
Eaton CB1633T120480GPARC pringle bolted pressure contact switch provides dependable high-current protection for industrial switchgear. Users often struggle with nuisance trips and wiring complexity in large panels; this unit’s capacitor trip device and charge-before-close mechanism help prevent outages while ensuring coordinated protection. UL Listed, with NEMA ratings for 1, 3R, 4, and 12 environments, the switch is built for harsh conditions and wide installation flexibility. Designed for top-feed operation and three-pole, three-wire configurations, it supports 480 V systems and 1600 A with a 120 V control circuit, delivering reliable protection and simplified maintenance for modern electrical infrastructures.
Product Information
Extended Description
CB1633T120480GPARC Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (Taylor), BFD with three off lights (trips switch),1600A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480GPARC
UPC
782116957019
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
180 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
Top
Fuse configuration
Top feed
Ground
Ground fault with control power transformer
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), BFD with three normally off lights (trips switch)
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB1633T120480GPARC
Feature: High current capability and voltage range — 1600A at 480V with 120V control. Business Impact: Enables large feeders and heavy-duty motors to be protected with a single device, reducing parts count and installation time. Application: Main feeders and motor control centers in industrial facilities benefit from streamlined protection with fewer components.\n\nFeature: Three-pole, top-fed configuration — fusible protection with top feed. Business Impact: Simplifies wiring, improves reliability, and minimizes enclosure footprint while maintaining safe fault isolation. Application: Large switchgear cabinets and panelboards requiring robust phase protection.\n\nFeature: Ground fault option and control power transformer — optional Ground Fault Relay available. Business Impact: Enhances personnel safety and circuit integrity by detecting ground faults early, reducing risk of shock and equipment damage. Application: Critical power feeds in manufacturing and process plants where ground fault monitoring is essential.\n\nFeature: Single-phase relay with capacitor trip device — fast, coordinated tripping. Business Impact: Reduces nuisance trips and improves selectivity, lowering downtime and maintenance costs. Application: Protection for single-phase feeders feeding high-demand equipment.\n\nFeature: NEMA-rated enclosure and rugged construction — UL Listed protection. Business Impact: Provides environmental resilience in harsh industrial settings, ensuring compliance and long service life. Application: Outdoor or moisture-prone installations and dusty environments.\n\nFeature: Warranty and support ecosystem — Eaton policy with standard coverage. Business Impact: Minimizes total cost of ownership through predictable support and documentation. Application: Procurement and maintenance planning for facilities teams.
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FAQs
CB1633T120480GPARC is designed for top-feed, three-pole configurations with fusible protection, making it a straightforward retrofit for compatible Eaton and third-party switchgear. Its 480 V system voltage and 120 V control circuit support seamless integration into large industrial panels without extensive rewiring. For best results, verify enclosure clearance, conductor sizing, and accessory availability such as the optional Ground Fault Relay.
Reliability is driven by a 1600A amperage rating, 480 V system voltage, and UL Listed certification, plus NEMA 1, 3R, 4, and 12 enclosure compatibility. The capacitor trip device improves coordination and reduces nuisance trips in single-phase protection schemes, while the ground fault provisions enhance safety and fault detection in challenging installations.
Yes. The CB1633T120480GPARC is engineered for high-current motor feeders and large electrical networks, with a three-pole, three-wire configuration and top-feed fuse arrangement. Its 480 V system voltage and 1600A rating support heavy-duty motors, while UL Listing and NEMA compatibility help ensure regulatory compliance and long-term reliability.
Cite UL Listed certification and the NEMA ratings (NEMA 1, 3R, 4, 12) to demonstrate environmental suitability and electrical safety. The unit’s ground fault options and capacitor trip device also align with industry best practices for protective relays in industrial controls, reducing risk and supporting regulatory requirements.
Expect ROI from reduced downtime due to improved protection coordination, simplified wiring with a top-feed design, and longer service life from rugged construction and UL/NEMA-compliant enclosure ratings. The 1600A rating accommodates future expansion, while the optional ground fault relay adds safety without requiring a complete controller upgrade.