Eaton SCB1633B120480E Bolted Pressure Contact Switch - UL
Part Number: SCB1633B120480E
Quick Summary
The Eaton pringle bolted pressure contact switch provides reliable fault detection in medium-density power distribution and switchgear. Operators often confront arc flash risk and coordination challenges when switching high-current loads, which this unit mitigates with an Arc Energy Reduction Relay and matched CTs. UL Listed safety certification supports essential compliance, while regional requirements may call for CE, IP, or SIL ratings. With a 1600 A amperage rating, 480 V voltage rating, 120 V control voltage, and a bottom-feed, three-pole configuration, it’s ready for demanding industrial environments. The integrated control transformer and robust enclosure simplify installation and maintenance, delivering measurable value for OEMs and maintenance teams by reducing downtime and extending equipment life.
Product Information
Extended Description
SCB1633B120480E Eaton: Eaton pringle bolted pressure contact switch, With control power transformer, 1600 A, 120 V, Bottom feed, 480 V, 3 pole, Three-wire, Fusible. Includes Arc Energy Reduction Relay and matched CT's
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
SCB1633B120480E
UPC
786689877569
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
175 lb
Certifications
UL Listed
Feed type
Bottom
Fuse configuration
Bottom feed
Number Of Poles
Three-pole
Number of wires
Three-wire
Amperage Rating
1600A
Control voltage
120 V
Protection
FUSIBLE
Voltage rating
480 V
Feature: Arc Energy Reduction Relay paired with matched CTs provides arc energy management. Business impact: Significantly reduces arc energy exposure and improves protection coordination, translating to lower maintenance costs and safer operation. Application: This setup is well suited for switchgear feeders in distribution panels and MCCs where fast arc-quenching and accurate current sensing are critical. Feature: High electrical power capability with a 1600A amperage rating, 480V line voltage, and 120V control voltage. Business impact: Supports large loads without external gear, reducing capital expenditure and simplifying procurement. Application: Ideal for motor drives, pumps, and heavy feeders in industrial facilities where reliability matters. Feature: Bottom feed fuse configuration with three-pole, three-wire wiring. Business impact: Simplifies installation, improves fault isolation, and reduces wiring errors during panel assembly. Application: Suitable for new builds and retrofits in control panels and switchgear requiring fusible protection. Feature: Includes control power transformer, enabling turnkey operation within the panel. Business impact: Reduces BOM, lowers installation effort, and streamlines maintenance by consolidating components. Application: OEM panel assemblies and service upgrades. Feature: UL Listed certification and rugged enclosure support safety compliance and reliability, easing procurement and regulatory audits. Application: Industrial facilities where UL compliance is a critical requirement for control panels.
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FAQs
Install the SCB1633B120480E by validating panel clearance for its 16 by 24 by 28 inch footprint, then mounting the unit in a suitable pocket. Wire the bottom-feed, three-pole, three-wire assembly per drawings, ensuring the 1600A, 480V line and 120V control voltages are correctly routed. Hook up the Arc Energy Reduction Relay, matched CTs, and the control power transformer, and verify UL Listed compliance and protection coordination during commissioning.
Key specs include a 1600A amperage rating, a 480V voltage rating, and a 120V control voltage. It uses a bottom-feed fuse configuration with three-pole and three-wire wiring, is UL Listed, and includes Arc Energy Reduction Relay with matched CTs plus a control power transformer. Enclosure size aligns with 16 in length, 28 in height, and 24 in width, weighing 175 lb.
Yes. With 1600A capability and 480V rating, this bolted pressure contact switch is designed for heavy feeders in MCCs and large distribution panels. It supports fusible protection, bottom-feed wiring, and integrated arc-energy reduction, which helps meet safety standards and reduces downtime in manufacturing lines, pumping stations, and process industries.
UL Listed certification ensures essential electrical safety compliance for many North American installations. CE, IP, or SIL ratings may depend on regional requirements and installation context. When designing a panel, verify local standards and supplier certifications to ensure the SCB1633B120480E meets site-specific regulatory and industry expectations.
Maintenance benefits include arc energy reduction reducing wear on switchgear contacts and lower arc flash energy exposure during maintenance. The included matched CTs and control transformer simplify wiring and metering, while a turnkey protection solution reduces BOM and field installation time. Over a typical lifecycle, these features translate to reduced downtime and predictable maintenance costs.