Siemens F74B - Fused Disconnect Switch 600V 30A
Siemens F74B - Fused Disconnect Switch 600V 30A

Siemens F74B - Fused Disconnect Switch 600V 30A

Siemens
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Siemens F74B is a fused disconnect switch designed for primary circuit protection and isolation in industrial power distribution systems. It is rated for 600V AC and 30A, providing reliable overcurrent protection through its Class R fuse compatibility. The device features a compact NEMA 1 enclosure with a rugged metal construction, weighing 5.19 lb, and includes a visible blade mechanism for safe lockout/tagout procedures. It complies with UL 98 and CSA standards, ensuring adherence to North American safety and performance requirements. Typical applications include motor control centers, panelboards, and branch circuit protection in manufacturing and commercial facilities.

Key Features & Specifications
  • Type: Fused disconnect switch, NEMA 1 enclosed, visible blade operation
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • Dimensions: Compact enclosure for panel mounting
  • Standards: UL 98, CSA certified
  • Applications: Motor control centers, panelboards, branch circuit protection
  • Switch Type: Fused disconnect
  • Configuration: 2-pole
  • Coil Voltage Maximum: Not applicable (manual operation)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard industrial packaging
  • Phase: Single-phase
  • Voltage: 600V AC
  • Amperage: 30A
  • AIC rating: 200kA RMS symmetrical (with Class R fuses)
  • Connection: Line and load lugs
  • Poles: 2
  • Protection: Overcurrent via Class R fuses
  • Functions: Disconnect and isolation
  • Frame Size: Compact
  • Trip Type: Fuse-dependent
  • Panel Type: NEMA 1
  • Breaker Type: Fused disconnect
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Up to #4 AWG
  • Metal Type: Steel enclosure
  • Panel Style: Surface mount
  • Bus Type: Not applicable
  • Fuse Class: R
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Surface
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: 7.5 HP at 600V
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 30A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 30A
  • Full Load Amp Minimum: 0A
  • Enclosure: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper/Aluminum
  • Amperage Maximum: 30A
  • Amperage Minimum: 0A
  • Nema Rating: 1
  • Switch Style: Fused disconnect
  • Wire Size: #14 to #4 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 98, CSA C22.2
  • Compatible Frames: Not applicable
  • Installation Type: Surface
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 30A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 783643006652
  • GTIN: 00783643006652