GHN321N - 30A, Fusible, Disconnect Switch, NEMA 1

Meet the GHN321N — a purpose-built 30A fusible disconnect switch designed for dependable on/off isolation and robust overcurrent protection in demanding industrial and commercial environments. With a compact, maintainable design, this NEMA 1 rated unit keeps your circuits protected where space is at a premium.

Key features that matter in the field

• Model: GHN321N
• Current rating: 30A
• Enclosure rating: NEMA 1 (indoor, general purpose protection)
• Fusible: Fusible construction provides immediate overcurrent protection and clear circuit isolation
• Applications: Ideal for motor disconnects, panelboards, and protecting branch circuits
• Design intent: Compact footprint with assemblies that are straightforward to service and maintain

Why this fusible disconnect matters in real-world setups

When a motor or feeder circuit needs reliable isolation and protection, the GHN321N delivers a straightforward, field-proven solution. The fusible element acts as the first line of defense against overcurrents, helping prevent downstream damage and reducing nuisance tripping in normal operation. The NEMA 1 enclosure keeps the unit suitable for indoor installations in control rooms, electrical rooms, or equipment cabinets where dust and basic contaminants are common but exposure to weather is not a factor.

Use cases and practical applications

• Motor disconnects in compact electrical closets or equipment panels where space is limited
• Branch circuit protection for critical feeders feeding motors, pumps, or fans
• Panelboard protection with a simple, maintainable isolation point for routine servicing
• Industrial and commercial installations that require quick, safe circuit disconnection during maintenance or fault conditions

What sets GHN321N apart from ordinary switches

Unlike non-fusible disconnects, the GHN321N integrates fusing directly into the switch, delivering proactive protection without extra components. Its compact, maintainable design simplifies fuse replacement and service checks, helping you minimize downtime during maintenance windows. The unit’s NEMA 1 enclosure prioritizes indoor reliability, making it a practical choice for control panels and equipment racks where a dedicated, purpose-built disconnect is preferred over generic switches.

Specifications at a glance

• GHN321N
• Amperage: 30A
• Rating: NEMA 1
• Fusible: Yes — integrated fusible disconnect
• Ideal for: Motor disconnects, panelboards, and branch circuit protection

Designed for professionals who need a reliable, space-saving disconnect with built-in protection, the GHN321N helps you streamline installation, simplify maintenance, and keep critical equipment running smoothly.