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Cutler Hammer B3NO2 - Disconnect Switch 30A 600V (NEMA 1)

Cutler Hammer
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Cutler Hammer B3NO2 is a heavy-duty industrial disconnect switch designed for reliable circuit isolation and safety lockout applications. This switch is rated for 600V AC and 250V DC, with a continuous current rating of 30 amperes, and features a compact NEMA 1 enclosure constructed from painted steel for durability in demanding environments. The device complies with UL 98 and CSA C22.2 standards, ensuring robust performance in commercial and industrial power distribution systems. Typical applications include motor control centers, panelboards, and machinery disconnects where manual switching and visible break isolation are required.

Key Features & Specifications
  • Type: Heavy-duty disconnect switch, non-fusible, manual operation
  • Voltage Rating: 600V AC / 250V DC
  • Current Rating: 30 Amperes
  • Dimensions: 5.19 lb weight; compact NEMA 1 enclosure
  • Standards: UL 98, CSA C22.2
  • Applications: Motor control centers, panelboards, machinery disconnects
  • Switch Type: Non-fusible disconnect
  • Configuration: 2-pole, single-throw
  • Coil Voltage Maximum: Not applicable (manual switch)
  • Temp Rating: -20°C to 60°C
  • Shipping Dimensions: Standard industrial packaging
  • Phase: Single-phase or three-phase compatible
  • Voltage: 600V AC / 250V DC
  • Amperage: 30 A
  • AIC rating: 10 kA at 600V AC
  • Connection: Screw terminals, line and load
  • Poles: 2
  • Protection: Overcurrent protection via external fuses or breakers
  • Functions: On/Off isolation, lockout/tagout capable
  • Frame Size: NEMA 1
  • Trip Type: Not applicable (non-automatic)
  • Panel Type: Surface mount
  • Breaker Type: Not applicable (disconnect switch)
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Painted steel enclosure
  • Panel Style: Standard industrial
  • Bus Type: Copper
  • Fuse Class: Not applicable (non-fusible)
  • Insulation Temperature: 105°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Surface mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 7.5 HP at 600V AC
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 30 A continuous
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 30 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: NEMA 1, painted steel
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: 14 AWG to 8 AWG copper
  • Amperage Maximum: 30 A
  • Amperage Minimum: 0 A
  • Nema Rating: NEMA 1
  • Switch Style: Rotary handle, padlockable
  • Wire Size: 14 AWG to 8 AWG
  • Certification: UL listed, CSA certified
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase or three-phase
  • Standards: UL 98, CSA C22.2
  • Compatible Frames: NEMA 1 enclosures
  • Installation Type: Surface mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 30 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 60°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78667882250
  • GTIN: 00786678822501