Eaton CB1633B120480GPAOC - UL Listed bolted switch
Part Number: CB1633B120480GPAOC
Quick Summary
Eaton CB1633B120480GPAOC is a high-capacity bolted pressure contact switch for industrial protection. This design helps you avoid nuisance trips and miscoordination in compact switchgear. UL Listed protection with 3-pole, fusible configuration supports reliable operation in 480 V systems and aligns with industry norms. NEMA 1, 3R, 4 and 12 compatibility ensures rugged performance across control rooms, outdoors, and wash-down environments. In practice, this switch reduces downtime, supports safe maintenance, and integrates with ground fault and auxiliary-provision options. The unit's bottom feed and bottom fuse configuration simplify installation in existing panels, reducing wiring complexity and potential miswiring. For procurement teams, the built-in protection options such as ground fault relay, auxiliary contacts, and optional Kirk provisions translate to faster commissioning and easier service.
Product Information
Extended Description
CB1633B120480GPAOC Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (Taylor), BFD with three off lights (does not trip),1600A,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633B120480GPAOC
UPC
782116958528
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
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 (does not trip)
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633B120480GPAOC
Feature: The CB1633B120480GPAOC delivers high-current protection with a 1600A rating and 480 V system voltage, enabling robust protection for large feeders. Business Impact: Fewer protective devices in parallel, reduced cabinet clutter, and lower installed costs. Application: Ideal for switchgear, motor control centers, and critical feeder circuits in manufacturing and processing plants. Feature: Three-pole bottom-feed design simplifies wiring and supports clean bus connections. Business Impact: Improves reliability by promoting correct phasing and easier field alignment. Application: Well-suited to bottom-connected panels and space-constrained installations in industrial facilities. Feature: Single-phase capacitor trip device (Taylor) provides rapid, controlled protection and coordination with related relays. Business Impact: Reduces nuisance trips and improves selectivity, lowering maintenance requirement while safeguarding equipment. Application: Useful in systems with capacitor banks or fast-trip requirements in control panels. Feature: Ground fault with control power transformer adds a targeted safety layer for personnel and equipment protection. Business Impact: Enhances fault detection and trip accuracy without sacrificing control power reliability. Application: Critical in machine rooms and process lines where ground faults threaten uptime. Feature: NEMA-rated enclosure compatibility (NEMA 1, 3R, 4, 12) coupled with fusible protection supports rugged operation in harsh environments. Business Impact: Broader placement options and simpler compliance across facilities. Application: Suitable for indoor and outdoor switchgear, industrial cabinets, and wash-down areas. Feature: Optional catalog provisions including Ground Fault Relay, Blown Fuse Detection, Auxiliary Contacts, and Kirk provisions enable scalable protection architectures. Business Impact: Faster commissioning, easier serviceability, and expanded monitoring capabilities. Application: Common in retrofit projects and new installations requiring modular protection.
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FAQs
The CB1633B120480GPAOC uses a bottom feed with bottom fuse configuration, 3 wires, and three-pole construction, enabling compact, straightforward installation in existing panels and switchgear.
The single-phase relay with a capacitor trip device (Taylor) provides a controlled, fast trip sequence that improves coordination with other protective devices and reduces nuisance tripping in capacitor-backed circuits.
Yes. It is rated for 480 V, 1600 A, and is a three-pole fusible configuration designed for robust protection of large feeders and switchgear in industrial environments.
The product is UL Listed, ensuring safety compliance for industrial electrical protection components used in appropriate enclosures and installations.
Warranty terms follow Eaton policy 25-000: one year from installation or 18 months from shipment, whichever comes first, with options for additional support and accessories as needed.