Square D SSP04EMA12D - Surge Protective Device 480Y/277VAC 120kA
Square D SSP04EMA12D - Surge Protective Device 480Y/277VAC 120kA

Square D SSP04EMA12D - Surge Protective Device 480Y/277VAC 120kA

Square D
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The Square D SSP04EMA12D is a Type QO surge protective device designed for primary protection against transient overvoltages in electrical distribution systems. It operates at 480Y/277 VAC with a 120,000 A current rating and is configured for 3-phase, 3-pole applications. This surface-mounted unit measures 19.5 in (495 mm) x 9.9 in (251 mm) x 5.3 in (135 mm), weighs 20.501 lb, and accepts wire sizes from AWG 10 to AWG 3/0 copper. 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. Typical industrial applications include protecting sensitive equipment in manufacturing, data centers, and commercial facilities from electrical surges.

Key Features & Specifications
  • Type: QO surge protective device, surface mount
  • Voltage Rating: 480Y/277 VAC
  • Current Rating: 120,000 A
  • Dimensions: 19.5 in (495 mm) x 9.9 in (251 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 surge protection for manufacturing, data centers, commercial facilities
  • Switch Type: Not specified
  • Configuration: 3-pole, 3-phase
  • Coil Voltage Maximum: Not specified
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 480Y/277 VAC
  • Amperage: 120,000 A
  • AIC rating: Not specified
  • Connection: Wire, AWG 10 to AWG 3/0 copper
  • Poles: 3
  • Protection: Surge protection
  • 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: 4
  • Amperage Maximum: Not specified
  • Amperage Minimum: Not specified
  • Nema Rating: 1, 3R, 12
  • Switch Style: Not specified
  • Wire Size: AWG 10 to AWG 3/0 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: 120,000 A
  • 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: 785901075387