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Siemens 51SA2BA - Safety Switch 600V 30A NEMA 1

Siemens
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Siemens 51SA2BA is a heavy-duty safety switch designed for reliable circuit disconnection and protection in industrial environments. This robust device is rated for 600V AC and 30A, with a compact NEMA 1 enclosure measuring approximately 6.5 inches in height, 4.5 inches in width, and 3.5 inches in depth, constructed from durable steel with a gray enamel finish. It complies with UL 98 and CSA C22.2 standards, ensuring safe operation in motor control centers, panelboards, and machinery isolation applications. The switch features a visible blade design for positive confirmation of circuit status and is suitable for use in manufacturing plants, commercial buildings, and heavy equipment installations.

Key Features & Specifications
  • Type: Heavy-duty safety switch, visible blade, non-fusible, steel enclosure
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • Dimensions: 6.5" H x 4.5" W x 3.5" D
  • Standards: UL 98, CSA C22.2
  • Applications: Motor control centers, panelboards, machinery isolation
  • Switch Type: Heavy-duty safety switch
  • Configuration: 2-pole, 3-wire
  • Coil Voltage Maximum: Not applicable (manual switch)
  • Temp Rating: -20°C to 60°C
  • Shipping Dimensions: 7" x 5" x 4"
  • Phase: Single phase
  • Voltage: 600V AC
  • Amperage: 30A
  • AIC rating: 10kA at 600V AC
  • Connection: Screw terminals
  • Poles: 2
  • Protection: Overcurrent protection via external fuses
  • Functions: Disconnect, isolation
  • Frame Size: NEMA 1
  • Trip Type: Not applicable (non-fusible)
  • Panel Type: Surface mount
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel
  • Panel Style: Gray enamel
  • Bus Type: Copper
  • Fuse Class: Not applicable
  • 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 applicable
  • CPT: Not applicable
  • 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
  • Amperage Maximum: 30A
  • Amperage Minimum: 0A
  • Nema Rating: NEMA 1
  • Switch Style: Heavy-duty
  • Wire Size: 14 AWG to 4 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single phase
  • Standards: UL 98, CSA C22.2
  • Compatible Frames: Not applicable
  • Installation Type: Surface mount
  • 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: 60°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78308709261
  • GTIN: 00783087092617