Eaton CB1633T12048056 Bolted Pressure Switch - UL Listed
Part Number: CB1633T12048056
Quick Summary
Eaton CB1633T12048056 bolted pressure contact switch enables high-current control in heavy-duty switchgear and power distribution applications. In many facilities, unreliable switching and insufficient fault protection drive downtime and safety risks. This unit carries UL Listed certification and supports demanding NEMA enclosures, including 1, 3R, 4, and 12, with a 480 V system rating. Designed for 1600 A service with a top-feed configuration and a 1NO-1NC contact set, it integrates with control circuits using 120 V logic while providing fusible protection. For engineers seeking robustness, the CB1633T12048056 offers reliable performance, straightforward installation, and long-term cost benefits in industrial automation and electrical distribution.
Product Information
Extended Description
CB1633T12048056 Eaton: Eaton pringle bolted pressure contact switch,Handle suitable for 6'6" requirements,1600A,1NO-1NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T12048056
UPC
782116957361
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.
Contact configuration
1 NO-1 NC
Feed type
Top
Fuse configuration
Top 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
Handle suitable for 6'6" requirements
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633T12048056
Feature: 1600 A amperage rating enables handling heavy load at 480 V without parallel devices. Business impact: reduces the number of switches required, lowers cabinet space, and simplifies protection coordination in motor control centers. Application: ideal for large-distribution panels and MCCs where reliability and fault tolerance are critical. Feature: 1 NO-1 NC contact, three-pole configuration with a top-feed. Business impact: streamlines wiring, shortens commissioning time, and minimizes wiring errors in control circuits. Application: suitable for high-current control in switchgear and power distribution panels. Feature: Fusible protection and top-feed fuse configuration. Business impact: provides inherent short-circuit protection and facilitates selective coordination, improving system safety and uptime. Application: protection for critical feeders in industrial plants. Feature: 480 V system voltage and 120 V control voltage. Business impact: simplifies integration with existing control logic, relays, and MCCs, reducing interface complexity. Application: broad compatibility across industrial automation environments. Feature: UL Listed with NEMA compatibility (1, 3R, 4, 12). Business impact: ensures regulatory compliance and safer operation in harsh environments, reducing risk of non-conformance and rewrites in audits. Application: ideal for commercial and industrial switchgear, with optional ground fault relay and auxiliary provisions available. Insight: The unit’s three-pole, fusible design supports reliable trip-before-close operation and easy replacement in legacy systems, aligning with industry best practices for high-current switching in power distribution.
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FAQs
This three-pole, top-feed switch uses a 1NO-1NC contact arrangement and fusible protection. Ensure proper alignment with switchgear chassis, correct wiring to the 3-wire circuit, and compatible panel enclosure (NEMA 1, 3R, 4, or 12). Verify control circuit isolation at 120 V and secure grounding per local codes.
The unit is rated at 1600 A with a 480 V system voltage and 120 V control voltage, featuring fusible protection and a top-feed configuration. It supports 1 NO-1 NC contacts across three poles and is UL Listed, compatible with NEMA 1, 3R, 4, and 12 enclosures.
Yes. With a three-pole design, high current rating, and robust enclosure compatibility, it suits MCCs and large distribution panels requiring reliable protection and streamlined wiring, while offering options for ground fault and auxiliary provisions as needed.
UL Listed certification confirms safety and compliance with established standards. Its NEMA ratings ensure suitability for a range of enclosure environments, reducing compliance risk in electrical installations and audits.
The device supports reliable trip-before-close operation and straightforward replacement in legacy setups, which can reduce downtime. It is backed by Eaton’s warranty policy and is designed to minimize spare part variety in high-current applications.