Mersen EGFBJ4003BP0 - 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. 400 amp J FDS disconnect with black pistol handle in a NEMA 4X Non-Metallic enclosure.
Mersen

EGFBJ4003BP0

Alternate Item Number: 782001368418

UPC: 782001368418

Contact for Pricing

Overview

The Mersen Enclosed Disconnect Switch, SKU EGFBJ4003BP0, represents a pinnacle of robust design and operational reliability for critical industrial power control applications. Engineered to meet stringent customer demands for compact yet exceptionally durable individual disconnecting means, this unit offers a superior solution for isolating electrical circuits. Mersen's commitment to quality is evident in the selection of materials and construction, ensuring longevity even in the most challenging operational environments. This specific model features a substantial 400 Amp current rating, making it suitable for high-power distribution and motor control circuits. The enclosure is constructed from a high-performance non-metallic material, specifically designed to achieve a NEMA 4X rating. This rating signifies exceptional protection against ingress from water, dust, dirt, and corrosive materials, making it an ideal choice for washdown areas, outdoor installations, and environments where chemical exposure is a concern. The non-metallic nature also provides inherent electrical insulation and resistance to corrosion, further enhancing its suitability for harsh conditions. Operational convenience is a key design consideration. The integrated black pistol handle provides a secure and ergonomic grip for easy and safe operation of the disconnect switch. This intuitive design minimizes the risk of operator error and facilitates quick power isolation when required for maintenance, troubleshooting, or emergency shutdown procedures. The compact footprint of the enclosed disconnect switch range, including this 400A model, is a significant advantage in industrial settings where space is often at a premium. This allows for more efficient panel layouts and can reduce overall installation footprint. Mersen offers its enclosed disconnect switches in both fusible and non-fusible configurations, providing flexibility to meet diverse application requirements. While this specific SKU is a non-fusible unit, the broader range allows for selection based on the need for overcurrent protection integration directly within the disconnect enclosure. This versatility ensures that end-users can specify the exact disconnecting means that best aligns with their system design and safety protocols. Key benefits and features of the Mersen EGFBJ4003BP0 include: * **High Current Capacity:** Rated for 400 Amps, suitable for demanding industrial loads. * **Superior Environmental Protection:** NEMA 4X non-metallic enclosure provides robust defense against water, dust, and corrosive agents. * **Enhanced Safety:** Designed as an individual disconnecting means for safe isolation of power. * **User-Friendly Operation:** Ergonomic black pistol handle ensures easy and reliable actuation. * **Space-Saving Design:** Compact enclosure minimizes installation space requirements. * **Durability and Longevity:** Constructed with high-quality materials for extended service life in harsh environments. Whether deployed in manufacturing plants, processing facilities, water treatment plants, or any industrial setting demanding reliable and safe electrical isolation, the Mersen Enclosed Disconnect Switch (SKU: EGFBJ4003BP0) delivers on performance, safety, and operational efficiency. Mersen's reputation for manufacturing high-quality electrical components makes this disconnect switch a trusted choice for professionals seeking dependable solutions for power distribution, motor control, and industrial automation.
  • 400 Amp current rating for high-power industrial applications.
  • NEMA 4X non-metallic enclosure for superior protection in harsh environments.
  • Durable construction ensures long-term reliability and safety.
  • Ergonomic black pistol handle for easy and secure operation.
  • Compact design saves valuable space in control panels and installations.

Specifications

Amperage Rating
400 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
Color
Black
Current Rating
400 A
Enclosure
NEMA 4X Non-Metallic
Material
Non-Metallic
Mounting
Screw
Nema Rating
NEMA 4X
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.