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Siemens MFKL3R - Molded Case Circuit Breaker 30A 1-Pole

Siemens
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Siemens MFKL3R Circuit Breaker - Molded Case 5.19 lb The Siemens MFKL3R is a molded case circuit breaker designed for overcurrent protection and electrical system isolation in industrial power distribution. It is rated for standard voltage and current levels suitable for branch circuit and feeder protection, with a compact construction that facilitates panelboard or switchboard installation. The breaker features a robust thermoplastic housing and thermal-magnetic trip mechanism for reliable short-circuit and overload response. It complies with UL 489 and CSA standards for North American electrical safety and performance. Typical applications include motor control centers, lighting panels, and general-purpose industrial power systems.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, thermoplastic housing
  • Voltage Rating: 480V AC
  • Current Rating: 30A
  • Dimensions: 3.0 x 2.5 x 4.0 inches
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Industrial power distribution, motor control centers, lighting panels
  • Switch Type: Toggle
  • Configuration: 1-pole
  • Coil Voltage Maximum: N/A (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 4.0 x 3.0 x 5.0 inches
  • Phase: Single
  • Voltage: 480V AC
  • Amperage: 30A
  • AIC rating: 10kA @ 480V AC
  • Connection: Line and load lugs
  • Poles: 1
  • Protection: Overload and short-circuit
  • Functions: Circuit isolation and protection
  • Frame Size: MFK
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: 14 AWG to 4 AWG
  • Metal Type: Copper
  • Panel Style: Flush mount
  • Bus Type: Plug-on
  • Fuse Class: N/A
  • Insulation Temperature: 105°C
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: 1.0 inch
  • Clas: N/A
  • Mounting: Plug-on
  • Hz: 60 Hz
  • Coil Material: N/A
  • Horse Power: 5 HP @ 480V
  • Aux Contacts: No
  • CPT: No
  • Full Load Amps: 30A
  • Dist Voltage: 480V AC
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 30A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: Copper
  • Amperage Maximum: 30A
  • Amperage Minimum: 0A
  • Nema Rating: 1
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 4 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Lug
  • Frequency Rating: 60 Hz
  • Phase Connection: Single
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: MFK
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: MFK
  • Current Rating: 30A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 40892873924
  • GTIN: 040892873924