AHW 3 Phase AC Surge Protection Series

AHW Three Phase


Type 2 Hardwired outdoor surge protective device targeted to protect AC powered and connected equipment and systems from the destructive force of surges.


  • Service entrance and OEM panels
  • Electrical Systems and Equipment
  • Protection from lightning, Induction and AC Infrastructure Generated Surges
  • Indoor and Outdoor Equipment
  • Industrial, Transportation and Telecommunication Systems



  • Electrical Distribution System: Varies by model. See Specification Sheet.
  • Nominal AC (Operating) Voltage: Varies by model. See Specification Sheet.
  • Maximum Operating Voltage (MCOV): Varies by model. See Specification Sheet.
  • Nominal Discharge Current 8/20us (In): 20KA
  • Maximum Discharge Current 8/20us (Imax): 100KA
  • Modes of Protection: L-L, L-N, L-G, N-G
  • Internal Thermal Disconnect: Yes
  • Operating Frequency: 50/60Hz
  • Short Circuit Current Rating (Sccr): Varies by model. See Specification Sheet.


  • Enclosure Type (Outdoor): Type 4 Aluminum
  • Environmental Rating: IP 66 / NEMA 4x
  • Operating Temperature: -40°C to +80°C
  • Operating Humidity: 0 to 95% non-condensing
  • Mounting: Wall / Electrical Panel
  • Mechanical Connection to Panel: Conduit Nut and Convenient Bracket
  • Dimensions (L x W x H): 11.51” x 13.63” x 5.30”
  • Weight: 18.0 lbs
  • Electrical Connection: #10 AWG stranded wiring leads, 14 inches max. length
  • Form C Contact Connection (Terminal Block): #22 - #18 AWG
  • Diagnostics and Status: Visual Status, one LED per phase


  • Compact design for convenient and effective Surge Protection
  • Thermal fused metal oxide varistor (MOV) protection technology
  • Common & Normal (ALL) Mode Surge protection
  • Heavy duty surge protection
  • LED “ON” for visual protection status monitoring
  • Indoor or outdoor installation
  • EMI and RFI filtering
  • UL1449 4th Edition Listed
  • Form C relay contacts for remote alarm notification