Eaton Safety Switch General Duty Cartridge Fuse 400A Two-Pole 240V NEMA 3R Class H Fusible with Neutral

Eaton Safety Switch General Duty Cartridge Fuse 400A Two-Pole 240V NEMA 3R Class H Fusible with Neutral

Professional Heavy-Duty Electrical Disconnect Switch

The Eaton Safety Switch General Duty Cartridge Fuse 400A delivers exceptional electrical power management and control performance for commercial and industrial electrical disconnect applications. This 400A 240V two-pole safety switch provides reliable electrical isolation and overcurrent protection designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Heavy-Duty Electrical Performance

• 400A Current Rating - High-capacity electrical switching for demanding commercial and industrial power distribution systems
• 240V Voltage Rating - Optimized for single-phase and split-phase electrical systems with reliable voltage handling
• Two-Pole Configuration - Complete line and neutral switching for comprehensive electrical isolation and safety
• Class H Fuse Compatibility - Accepts standard Class H cartridge fuses for flexible overcurrent protection options

Weather-Resistant Protection

• NEMA 3R Enclosure Rating - Weather-resistant protection against rain, sleet, and ice formation for outdoor installations
• Painted Galvanized Steel Construction - Corrosion-resistant enclosure material providing long-term durability in harsh environments
• Fusible with Neutral Design - Enhanced safety with neutral switching capability for complete circuit isolation

Professional Installation

• General Duty Classification - Designed for standard commercial and light industrial electrical applications
• Three-Wire Configuration - Accommodates standard three-wire electrical systems with proper grounding
• UL Listed Certification - Meets rigorous safety standards for professional electrical installations

Technical Specifications

Current Rating: 400A, Voltage Rating: 240V, Number of Poles: Two-pole, Number of Wires: 3, Enclosure: NEMA 3R, Enclosure Material: Painted galvanized steel, Fuse Class: Class H fuses, Configuration: Fusible with neutral, Product Category: General duty safety switch, Dimensions: 23" W x 10.5" H x 46" D, Weight: 102 lb, Certifications: UL Listed

Installation & Usage

1. Verify electrical system compatibility with 400A 240V two-pole requirements and proper overcurrent protection coordination
2. Mount safety switch in appropriate location following NEMA 3R outdoor installation guidelines and local electrical codes
3. Install Class H cartridge fuses with appropriate amperage ratings for downstream load protection
4. Connect incoming and outgoing conductors to designated line and load terminals with proper torque specifications
5. Verify neutral connection for fusible with neutral configuration and proper grounding installation
6. Test switch operation and fuse installation before energizing the electrical system

Professional Applications

Ideal for:

• Commercial Electrical Systems - Main disconnects for retail, office, and commercial building electrical distribution
• Industrial Power Distribution - Equipment disconnects for manufacturing facilities and industrial machinery
• Outdoor Electrical Installations - Weather-resistant switching for exterior electrical equipment and systems
• HVAC System Disconnects - Electrical isolation for commercial heating, ventilation, and air conditioning equipment
• Motor Control Applications - Disconnect switching for large motor loads and industrial drive systems
• Electrical Panel Feeders - Main disconnects for electrical distribution panels and load centers
• Emergency Power Systems - Transfer switch applications and backup generator connections
• Electrical Maintenance Operations - Safe electrical isolation for maintenance and service work

General Duty Design Advantage

Eaton's general duty safety switch design provides reliable electrical switching performance for standard commercial and light industrial applications. The robust painted galvanized steel construction with NEMA 3R rating ensures long-term durability in outdoor environments, while the Class H fuse compatibility offers flexible overcurrent protection options. The fusible with neutral configuration provides enhanced safety through complete circuit isolation, making it ideal for applications requiring comprehensive electrical disconnection.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the quality and reliability that electrical professionals trust worldwide. This UL Listed safety switch represents Eaton's commitment to electrical safety standards and professional-grade performance. Trusted by electricians, electrical contractors, and facility managers globally, Eaton safety switches provide the dependable electrical protection and switching performance essential for critical power distribution applications, backed by comprehensive technical support and proven field reliability.