Best knife switches, ranked

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AI-generated summary · updated September 10, 2026 · verify details before purchase.

1. 

   1 Best overall Eaton

   Eaton (Cutler-Hammer) DT222URB 30-Amp 240-Volt 2-Pole Fusible Safety Switch

   ★★★★★4.7/5 $402.01 Only 11 left

   Heavy-duty industrial safety switch with 30A rating, NEMA 3R enclosure, and long-lasting performance.

   • Durable construction
   • Easy installation
   • Reliable safety disconnect

   • Bulky size
   • Higher price

   View on Amazon manufacturer site
2. 

   2 Best budget pick GE

   GE TC35321 30-Amp 240-Volt Non-Fusible Safety Switch

   ★★★★☆4.5/5 $66.49 Only 6 left

   Affordable non-fusible switch for general disconnecting needs, good for appliances and light industrial use.

   • Low cost
   • Compact design
   • Rated for 30A

   • Non-fusible only
   • Plastic handle feels less robust

   View on Amazon
3. 

   3 Most popular Schneider Electric

   Square D (Schneider) D221NRB 30-Amp 240-Volt 2-Pole Non-Fusible Safety Switch

   ★★★★★4.8/5 $164.56 Only 1 left

   Highly rated non-fusible switch with easy operation and reliable performance for residential and light commercial.

   • Excellent build quality
   • Smooth action
   • Trusted brand

   • Non-fusible
   • No neutral kit included

   View on Amazon manufacturer site
4. 

   4 High amperage SIEMENS

   Eaton CS224N 200-Amp 240-Volt 2-Pole Fusible Safety Switch

   ★★★★☆4.4/5 $550.00 Only 1 left

   Heavy-duty 200A fusible switch for large loads, ideal for main disconnects or sub-panels.

   • 200A capacity
   • Fusible protection
   • corrosion-resistant enclosure

   • Very large and heavy
   • Premium price

   View on Amazon
5. 

   5 Best for 60A applications SIEMENS

   Siemens HNF363R 60-Amp 600-Volt 3-Pole Fusible Safety Switch

   ★★★★☆4.5/5 $442.92

   Rugged 60A fusible disconnect for motors and machinery, with NEMA 3R rainproof enclosure.

   • Rainproof
   • Clear labeling
   • Easy wiring

   • Limited to 60A
   • Fuse not included

   View on Amazon
6. 

   6 Best value Leviton

   Leviton 3030-P 30-Amp 120/240-Volt 2-Pole AC Disconnect Switch

   ★★★★☆4.3/5 $21.25

   Compact non-fusible pull-out disconnect for HVAC and appliances, budget-friendly and reliable.

   • Very affordable
   • Easy to install
   • Compact size

   • Plastic enclosure
   • Not for heavy industrial

   View on Amazon
7. 

   7 Best for 3-phase MUJURUR

   ABB (GE) TJD3223 30-Amp 600-Volt 3-Pole Fusible Safety Switch

   ★★★★★4.6/5 $79.99 Currently unavailable

   3-pole fusible switch suitable for 3-phase applications, rated up to 600V with rugged enclosure.

   • Handles high voltage
   • Fusible for overcurrent protection
   • Sturdy build

   • Expensive
   • Large footprint

   View on Amazon

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