TH3362 Heavy-Duty Safety Switch – Key Specifications

1. Current & Fuse Compatibility

• Current Range: 800–1200A (uses Class L fuses)

• Short-Circuit Rating:

  • 10,000 RMS Sym. Amps (with Class L fuses)

  • 200,000 RMS Sym. Amps (with Class R or J fuses, for 30–600A models)

• Fuse Support: Class H, K, J, R (varies by amp rating)

2. Mechanical Design

• Handle: Donut-style (hook-stick operable, accepts 3 padlocks in OFF position)

• Switching Mechanism:

  • Direct-drive, quick-make/quick-break (snap-action for positive ON/OFF indication)

  • Visible plated blades (contact position confirmation)

• Mounting: Self-leveling 3-point system (ensures alignment on uneven surfaces)

• Interlock: Coin-proof, defeatable (prevents accidental access but can be overridden)

3. Safety & Compliance

• UL Listed: As service entrance equipment (when installed per NEC)

• Enclosure: NEMA-rated (exact type not specified, but likely 3R/4 for outdoor use)

• Fuse Clips: Spring-reinforced (prevents overheating, ensures reliable contact)

4. Dimensions & Installation

• Mounting: Surface or panel-mounted (3-point system accommodates uneven surfaces)

• Material: Heavy-duty steel enclosure (corrosion-resistant)