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Siemens MBKVAM3250A - Main Breaker Kit 250A 240V AC

Siemens
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Siemens MBKVAM3250A is a main breaker kit designed to provide primary overcurrent protection in residential and light commercial load centers. This unit is rated for 240V AC at 250A, with an AIC rating of 22kA at 240V AC, and features a 2-pole, 3-wire configuration with a plug-on mounting style. The breaker is constructed with a thermoplastic housing and copper connections, measuring 8.66 inches in height, 14.96 inches in width, and 9.84 inches in length, with a weight of 9.017 lb. It complies with UL 489 and CSA C22.2 standards, ensuring reliable performance in demanding environments. Typical applications include main service disconnects for panelboards and switchboards in industrial facilities.

Key Features & Specifications
  • Type: Main Breaker Kit, thermoplastic housing, copper connections
  • Voltage Rating: 240V AC
  • Current Rating: 250A
  • Dimensions: Height 8.66 inches X Width 14.96 inches X Length 9.84 inches
  • Standards: UL 489, CSA C22.2
  • Applications: Main service disconnect for panelboards and switchboards
  • Switch Type: Molded case
  • Configuration: 2-pole, 3-wire
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Height 8.66 inches X Width 14.96 inches X Length 9.84 inches
  • Phase: 1-phase
  • Voltage: 240V AC
  • Amperage: 250A
  • AIC rating: 22kA at 240V AC
  • Connection: Plug-on
  • Poles: 2
  • Protection: Overcurrent
  • Functions: Main disconnect
  • Frame Size: 250A frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Load center
  • Breaker Type: Main breaker
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Copper
  • Panel Style: Plug-on
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: 75°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: Plug-on
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 250A
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 250A
  • Full Load Amp Minimum: 0A
  • Enclosure: Not included
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 250A
  • Amperage Minimum: 0A
  • Nema Rating: Not specified
  • Switch Style: Molded case
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Copper
  • Frequency Rating: 60 Hz
  • Phase Connection: 1-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: Siemens load centers
  • Installation Type: Plug-on
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 250A
  • Current Rating: 250A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • 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: 195125075191
  • GTIN: 00195125075191