Siemens HF324N Heavy Duty Safety Switch - Technical Specifications

Core Electrical Ratings

• Type: 3-Pole Fusible Safety Switch with Neutral

• Current Rating: 400A

• Voltage Rating: 600V AC

• Horsepower: 100 HP @ 600V (3-phase)

• Short Circuit Rating: 200kA RMS Symmetrical (with Class J/R fuses)

• Fuse Class: Class J, R, or T (3-fuse assembly)

• Enclosure: NEMA Type 1 (Indoor, steel construction)

Key Features

1. Neutral Connection

   • Includes solid neutral for 4-wire systems (3P + N)

2. Switching Mechanism

   • Quick-make/quick-break operation

   • Visible blade for contact verification

   • Arc chutes for heat dissipation

3. Safety & Compliance

   • UL Listed as service entrance equipment

   • NEC compliant for main disconnects

   • Padlockable handle (LOTO compliance)