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Type SDSA1175


Square D™ brand Surgelogic™ SDSA1175 SPDs offer a simple means to bring down initial surges to manageable levels and can offer additional value in a cascaded SPD system. Their compact design allows surge suppression to be installed adjacent to power panels or directly on sensitive equipment.

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Type SDSA1175
  • Features

    • Type 1 rated devices provide the flexibility to be used with or without an Overcurrent Protection Device (OCPD)
    • LED indicated operational status
    • Short circuit current rating 25kA
    • Suitable for indoor and outdoor application (NEMA Type 4X rated)
    • Convenient back-nipple mounting
    • SDSA1175 are designed and listed for indoor or outdoor installation and surge suppression for single-phase three-wire 120/240 Vac or two-wire 120 Vac 60 Hz electrical services
    • Two SDSA1175 SPDs can be installed to provide suppression for 208Y/120 Vac three-phase four-wire services
    • Field-proven MOV design provides response time less  than 50 nanoseconds and provides lower clamping voltage than traditional gas tube arresters
    • Coordinated Fuse Technology


    • Provide surge suppression to vulnerable equipment powered from weather exposed panels
    • Transient suppression is located at the most efficient connection point
    • Allows for flexibility in installation locations
    • Allows immediate indication if suppressor requires replacement
    • Provide premium surge suppression while managing thermal effects from MOV end of life


    • OEM
    • Low Voltage Products & Systems
    • Building Automation & Control
    • Industrial Automation & Control
    • Critical Power, Cooling & Racks

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