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Square D SSP05EMA24 - QO Surge Protector 480VAC 240kA

Square D
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The Square D SSP05EMA24 Automation is a QO-type surge protective device designed for primary protection against transient overvoltages in industrial power systems. It is rated for 480VAC three-phase operation with a massive 240,000A current rating, utilizing three poles and accommodating AWG 10 to AWG 2 copper wire. This surface-mount unit measures 11.1 in (282 mm) x 10.0 in (253.5 mm) x 5.3 in (135 mm) and weighs 20.501 lb, featuring a robust construction suitable for demanding environments. It complies with CSA C22.2 No 8, UL 1449:ed. 4, and UL 1283:ed. 5 standards, with a NEMA rating of 1, 3R, and 12 for versatile indoor and outdoor use. Typical applications include protecting motor control centers, switchgear, and distribution panels in manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: QO surge protective device, surface mount, three-wire configuration
  • Voltage Rating: 480VAC
  • Current Rating: 240,000A
  • Dimensions: 11.1 in (282 mm) x 10.0 in (253.5 mm) x 5.3 in (135 mm) (Height x Width x Depth)
  • Standards: CSA C22.2 No 8, UL 1449:ed. 4, UL 1283:ed. 5
  • Applications: Industrial power distribution, motor control centers, switchgear protection
  • Switch Type: Not specified
  • Configuration: 3-phase, 3-wire
  • Coil Voltage Maximum: Not specified
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 480VAC
  • Amperage: 240,000A
  • AIC rating: Not specified
  • Connection: Wire (AWG 10 to AWG 2 Copper)
  • Poles: 3
  • Protection: Surge
  • Functions: Transient overvoltage protection
  • Frame Size: Not specified
  • Trip Type: Not specified
  • Panel Type: Not specified
  • Breaker Type: Not specified
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Surface
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: 3
  • Amperage Maximum: 240,000A
  • Amperage Minimum: Not specified
  • Nema Rating: 1, 3R, 12
  • Switch Style: Not specified
  • Wire Size: AWG 10 to AWG 2 Copper
  • Certification: CSA, UL
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: 3-phase
  • Standards: CSA C22.2 No 8, UL 1449:ed. 4, UL 1283:ed. 5
  • Compatible Frames: Not specified
  • Installation Type: Surface
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 240,000A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • GTIN: 785901994350