Eaton Safety Switch General Duty Cartridge Fuse 400A Three-Pole 240V NEMA 1 Class H Fusible with Neutral

Eaton Safety Switch General Duty Cartridge Fuse 400A Three-Pole 240V NEMA 1 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 heavy-duty commercial and industrial applications. This 400A three-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 Protection

• 400A Three-Pole Configuration - High-capacity electrical switching and isolation for demanding commercial and industrial power distribution systems
• 240V Voltage Rating - Optimized for standard commercial voltage applications with reliable electrical performance
• Class H Cartridge Fuse Compatibility - Accepts standard Class H fuses for flexible overcurrent protection and easy maintenance
• Fusible with Neutral Design - Four-wire configuration provides complete circuit isolation including neutral conductor protection

Professional Installation & Protection

• NEMA 1 Enclosure Rating - Indoor general purpose enclosure suitable for dry location installations
• Painted Steel Construction - Durable enclosure material provides long-lasting protection and professional appearance
• UL Listed Certification - Meets rigorous electrical safety standards for professional electrical installations

Technical Specifications

Amperage Rating: 400A, Voltage Rating: 240V, Number of Poles: Three-pole, Number of Wires: 4, Enclosure: NEMA 1, Enclosure Material: Painted steel, Fuse Configuration: Fusible with neutral, Fuse Class Provision: Class H fuses, Product Category: General duty safety switch, Certifications: UL Listed, Dimensions: 23" W x 12.63" D x 10.5" H, Weight: 107 lb

Installation & Usage

1. Verify electrical system is de-energized and follow proper lockout/tagout procedures before installation
2. Mount safety switch securely in appropriate location following NEC and local electrical codes
3. Connect incoming and outgoing conductors to designated line and load terminals using proper torque specifications
4. Install appropriate Class H cartridge fuses matching the required amperage rating for circuit protection
5. Verify proper neutral connection for four-wire configuration and grounding requirements
6. Test switch operation and verify proper fuse installation before energizing the system

Professional Applications

Ideal for:

• Commercial Power Distribution - Main disconnects and feeder protection in office buildings, retail facilities, and commercial complexes
• Industrial Electrical Systems - Motor disconnects, machinery isolation, and equipment protection in manufacturing facilities
• HVAC System Protection - Disconnect switches for large commercial heating, ventilation, and air conditioning equipment
• Electrical Panel Applications - Service entrance disconnects and main breaker alternatives in electrical distribution systems
• Motor Control Centers - Individual motor disconnects and feeder protection in industrial motor control applications
• Electrical Maintenance - Safe electrical isolation for maintenance and service work on commercial and industrial equipment
• Code Compliance - Meeting NEC requirements for readily accessible disconnect means in electrical installations
• Emergency Disconnection - Quick electrical isolation capability for safety and emergency shutdown procedures

General Duty Design Advantage

Eaton's general duty safety switch design provides reliable electrical switching and protection for standard commercial and light industrial applications. The robust painted steel enclosure and Class H fuse compatibility offer flexible overcurrent protection with easy fuse replacement and maintenance. The fusible with neutral configuration ensures complete circuit isolation for enhanced electrical safety during maintenance operations.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers trusted safety switch solutions that meet the demanding requirements of professional electrical installations. Our commitment to electrical safety, UL listing compliance, and proven performance makes Eaton safety switches the preferred choice for electricians, electrical contractors, and facility professionals worldwide who require reliable electrical protection and isolation capabilities.