Description
The Siemens HF322NR is a heavy-duty, 3-pole fused disconnect switch engineered for dependable service entrance and equipment disconnect applications in commercial and residential HVAC installations. Rated at 240V and 60 amps, this switch provides a safe, code-compliant means of isolating electrical equipment during service, maintenance, or emergency shutoff. The NEMA 3R enclosure ensures reliable performance in outdoor environments, protecting internal components from rain, sleet, and external ice formation.
Key Features
- 3-Pole configuration for three-phase or single-phase applications
- 240V AC voltage rating
- 60-Amp continuous current rating
- Fused design for overcurrent protection of connected HVAC equipment
- NEMA 3R rainproof enclosure — suitable for outdoor and exposed installations
- Siemens quality construction for long service life and reliable operation
- Lockable handle for lockout/tagout (LOTO) safety compliance
Specifications
- SKU: HF322NR
- Brand: Siemens
- Poles: 3
- Voltage Rating: 240V AC
- Amperage Rating: 60A
- Enclosure Type: NEMA 3R (Rainproof)
- Switch Type: Fused Disconnect
Applications
- HVAC condensing unit and air handler service disconnects
- Rooftop unit (RTU) electrical disconnects
- Commercial refrigeration equipment disconnects
- General-purpose outdoor electrical equipment isolation
- Industrial and light commercial power distribution panels
Why Choose the Siemens HF322NR?
Siemens disconnect switches are trusted by HVAC contractors and electricians for their robust construction, safety-forward design, and compliance with NEC requirements for equipment disconnecting means. The HF322NR’s NEMA 3R enclosure makes it the go-to choice for outdoor condenser unit disconnects where weather protection is essential. The integrated fuse holder adds a layer of overcurrent protection, helping safeguard expensive HVAC compressors and motors from damaging fault currents.
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