Mersen ECFBX303RP0 - 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 disconnect with red pistol handle in a NEMA 12 enclosure.
Mersen

ECFBX303RP0

Alternate Item Number: 782001443573

UPC: 782001443573

Contact for Pricing

Overview

The **Mersen ECFBX303RP0 30A Enclosed Disconnect Switch** is a robust, industrial-grade solution engineered for reliable performance in demanding environments. Designed to meet stringent customer requirements for compact yet durable disconnecting means, this switch combines functionality, safety, and ease of operation in a single, space-saving package. Housed within a **NEMA 12 non-metallic enclosure**, the ECFBX303RP0 provides superior protection against dust, dirt, and non-corrosive liquids, making it ideal for harsh industrial settings where environmental resilience is critical. **Key Features and Benefits:** - **Durable NEMA 12 Enclosure:** The non-metallic enclosure ensures exceptional resistance to corrosion, chemicals, and physical impacts, extending the lifespan of the switch even in the most challenging conditions. Unlike metallic enclosures, it eliminates the risk of rust and conductivity issues, ensuring long-term reliability. - **30A Current Rating with Red Pistol Handle:** The **30-ampere rating** makes this disconnect switch suitable for a wide range of industrial applications, from motor control circuits to lighting and heating systems. The **bright red pistol handle** provides clear visual indication of the switch’s status (ON/OFF), enhancing safety and operational convenience in fast-paced environments. - **Compact and Space-Saving Design:** Mersen’s enclosed disconnect switches are engineered to maximize space efficiency without compromising functionality. This compact design simplifies installation in control panels, electrical enclosures, and machinery, reducing footprint while maintaining full compliance with industry standards. - **Versatile Fusible and Non-Fusible Options:** Available in both fusible and non-fusible configurations, the ECFBX303RP0 offers flexibility to meet diverse application needs. Fusible versions provide overcurrent protection, while non-fusible models serve as reliable disconnecting means for maintenance and isolation purposes. - **Ease of Installation and Maintenance:** Designed with the installer in mind, this disconnect switch features a straightforward mounting system and accessible wiring terminals. The NEMA 12 enclosure’s lightweight, non-metallic construction further simplifies handling and installation, reducing labor time and costs. **Typical Applications and Industries:** The **Mersen ECFBX303RP0** is widely used across multiple industrial sectors, including manufacturing plants, food processing facilities, water treatment plants, and commercial buildings. It is particularly well-suited for applications requiring a dependable disconnecting means, such as: - **Motor control circuits** in HVAC systems and conveyor belts - **Lighting and heating systems** in warehouses and production floors - **Machine isolation** for maintenance and safety compliance - **Control panel applications** where space is at a premium Industries such as automotive, pharmaceuticals, and chemical processing rely on Mersen’s enclosed disconnect switches for their proven durability and adherence to safety standards. The **NEMA 12 rating** ensures protection against airborne dust and dripping water, making it a preferred choice in environments where cleanliness and reliability are paramount. **Why Choose Mersen?** Mersen, a global leader in electrical protection and power management solutions, has built a reputation for innovation and quality in industrial electrical components. With decades of expertise in designing products that withstand extreme conditions, Mersen’s enclosed disconnect switches are trusted by engineers and facility managers worldwide. The **ECFBX303RP0** exemplifies this commitment, offering a combination of performance, safety, and longevity that reduces downtime and maintenance costs. For professionals seeking a **reliable, code-compliant, and easy-to-install disconnect switch**, the Mersen ECFBX303RP0 delivers unmatched value. Its robust construction, clear operational indicators, and compliance with industry standards make it an essential component in modern industrial electrical systems.
  • 30A current rating with red pistol handle for clear status indication
  • NEMA 12 non-metallic enclosure for superior protection against dust and dripping water
  • Available in fusible and non-fusible versions for versatile application needs
  • Compact, space-saving design ideal for control panels and machinery
  • Engineered for durability, safety, and ease of installation 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
Color
Red
Current Rating
30 A
Enclosure
NEMA 12
Material
Non-Metallic
Mounting
Screw
Nema Rating
Type 12
Nema Rating
NEMA 12
Number Of Poles
3
Series
J X FDS
Series
ECFBX Series
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
Package Dimensions (L x W x H)
15.1 IN x 10.5 IN x 8.4 IN
Package Dimensions (L x W x H)
38.354 cm x 26.67 cm x 21.336 cm
Package Weight (Imperial)
15.150 L
Package Weight (Metric)
6.872 kg
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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.