Mersen EGFBX303RP3 - Mersen Enclosed Disconnect Switches are designed to meet customer's requirements for compact and durable individual disconnecting means. Both fusible and non-fusible versions are available in a variety of enclosure types. Mersen features NEMA 4X non-metallic enclosures that are extremely durable and provide the ultimate protection for harsh environments and conditions. The enclosed disconnect switch range offers safety, ease of installation, space savings and operational convenience to end-users. 30 amp J X FDS w/ AUX disconnect with red pistol handle in a NEMA 4X Non-Metallic enclosure.
Mersen

EGFBX303RP3

Alternate Item Number: 782001444853

UPC: 782001444853

Contact for Pricing

Overview

The Mersen EGFBX303RP3 Enclosed Disconnect Switch represents a pinnacle of robust electrical isolation and safety, engineered to meet the demanding requirements of industrial applications. Designed as a compact yet exceptionally durable individual disconnecting means, this unit provides reliable power control in challenging environments. The EGFBX303RP3 features a 30-amp current rating and is housed within a Mersen NEMA 4X non-metallic enclosure. This enclosure type is paramount for applications exposed to dust, water, and corrosive elements, offering superior protection and longevity. The non-metallic construction further enhances its resistance to chemical degradation, making it an ideal choice for food processing, chemical plants, and outdoor installations where corrosion is a significant concern. This enclosed disconnect switch range from Mersen prioritizes safety, ease of installation, and operational convenience for end-users. The red pistol handle is ergonomically designed for quick and intuitive operation, allowing for rapid and secure disconnection of power, which is critical for maintenance, troubleshooting, and emergency shutdown procedures. The "J X FDS w/ AUX" designation indicates specific internal configurations, including provisions for auxiliary contacts, which can be utilized for signaling or interlocking with other control systems, adding a layer of sophisticated operational integration. The compact design of the EGFBX303RP3 ensures significant space savings within control panels and electrical enclosures, a crucial factor in modern industrial settings where space is often at a premium. Mersen's commitment to quality is evident in the durable construction and reliable performance of this disconnect switch, ensuring consistent operation and minimizing downtime. Available in both fusible and non-fusible versions, the Mersen enclosed disconnect switch platform offers flexibility to match specific application needs. While this particular SKU, EGFBX303RP3, is specified with a red pistol handle and NEMA 4X non-metallic enclosure, the broader range caters to diverse operational and environmental demands. Professionals selecting disconnect switches for industrial facilities rely on manufacturers like Mersen for their proven track record in producing high-quality, reliable electrical components. The UNSPSC code 39122233 categorizes this product under "Switches, disconnectors, and circuit breakers," underscoring its fundamental role in electrical distribution and safety systems. Choosing the Mersen EGFBX303RP3 means investing in a solution that delivers safety, efficiency, and long-term operational value, backed by the expertise of a leading electrical component manufacturer.
  • 30 Amp current rating for robust power control.
  • NEMA 4X non-metallic enclosure provides superior protection against dust, water, and corrosive elements.
  • Red pistol handle ensures easy operation and quick disconnect functionality.
  • Compact design offers space savings in electrical enclosures.
  • Designed for durability and reliability in harsh industrial environments.

Specifications

Amperage Rating
30 A
Application
Load break switching Separate disconnect means within sight of all motor loads to comply with NEC® Article 430 Circuit isolation Service entrance ratings available Food processing Conveyor systems Harsh industrial environments
Brand Name
Ferraz Shawmut
Enclosure
NEMA 4X Non-Metallic
Mounting
Screw
Number Of Poles
3
Special Features
Suitable for use as Motor Disconnect Meets OSHA lockout/tagout requirements NEMA rated enclosures Knockouts provided Easy screw mounting Selector or pistol handles in black or red/yellow
Standard
UL 508A UL508 UL98 CSA IEC versions available.
Type
Enclosed Disconnect Switch
Voltage Rating
600 V
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Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.