Cutler-Hammer DH321FGK - 30A, 240V, 3-Pole, Fused Disconnect Switch

The Cutler-Hammer DH321FGK is a rugged, three-pole fused disconnect switch engineered for harsh industrial and commercial settings. With a 30A, 240V rating, it delivers reliable electrical isolation when maintenance or service is required, helping you keep personnel safe and equipment protected.

Why the DH321FGK stands out

• Three-pole isolation ensures complete disconnect of all phases, preventing partial energization and enabling safer troubleshooting and servicing.
• Fused protection provides integrated overcurrent protection, guarding downstream components from short circuits and overloads without needing a separate protective device.
• Lockout/Tagout readiness designed into the operation, making it straightforward to enforce safety procedures during maintenance.
• Durable, indoor-ready enclosure with a NEMA 1 rating, built to withstand everyday shop or plant environments while keeping the internal circuitry shielded from dust and incidental contact.
• Dependable long-term performance crafted for steady disconnection under load, reducing unexpected downtime and improving maintenance planning.

Practical applications

Ideal for control panels, motor circuits, and equipment that require safe shutdown for service or repair. Use cases include conveyor systems, pumps, HVAC equipment, and general manufacturing lines where reliable isolation is essential for worker safety and equipment protection.

Who benefits most

Maintenance technicians, facilities engineers, and panel builders who need a proven, easy-to-integrate fused disconnect switch that blends safety, reliability, and simplicity into one compact package.

How it improves safety and uptime

• Integrated fusing minimizes the risk of downstream faults during startup and operation.
• Clear, unambiguous disconnect point supports compliant lockout/tagout procedures.
• Robust construction reduces nuisance failures in demanding environments, supporting higher uptime.

Technical snapshot

• Brand: Cutler-Hammer
• Model: DH321FGK
• Amperage rating: 30A
• Voltage rating: 240V
• Number of poles: 3-Pole
• Enclosure: NEMA 1
• Type: Fused Disconnect Switch

Specifications at a glance

• 30A maximum current capacity for controlled isolation of medium-load circuits
• Suitable for indoor installation with standard electrical control wiring practices
• Designed to pair with common fusing strategies to complement existing safety and protection schemes