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Panamax M4EX

Grey Multi-Use Surge Protector

  • In Stock
  • Free expedited delivery within 2 or less business days. Professional installation service available in Houston, Dallas and Austin. Call us at 800-877-2900 for more details.
$ 42 98
Free Expedite Delivery
  • Features
  • Specifications
  • Product Wiki
  • Extended Warranty


The Panamax M4-EX is a base module that allows you to add-on other modular products. When used alone, this product can protect up to 4 AC lines, the 4 outlets are switched via an on-off switch. The outlets are spaced to allow room for transformers. The unit is plugged into a wall outlet via a space saving right-angle plug (45 degree offset), and has an 8 foot cord. The Max4-EX has indicator lights for ground ok, unsafe voltage, and power on/protection ok.

What's included in the box

  • Form Factor: External
  • Surge Energy Rating: 1650 Joules
  • Peak Current Normal Mode: 52 kA
  • Total Number of Outlets: 4 Outlets
  • Outlet Connectors: RJ-11 RJ-45
  • Cable Length: 8 ft.


  • UL 1449 Suppression RatingÂ: 330V
  • Thermal Fusing: Yes
  • Single Pulse Energy Dissipation: 1650 Joules
  • Response Time: < 1ns
  • Protection Modes: L-N, L-G, N-G
  • Protect or Disconnect™ Circuitry: Yes
  • Peak Impulse Current: 52,000 Amps
  • Patented Power Management Circuit: Yes
  • Maximum Current Rating: 15 A (1800W)
  • Line Voltage: 120VAC, 50/60Hz
  • Initial Clamping LevelÂ: 200V Peak, 141V RMS
  • EMI/RFI Noise Filtration: 50 dB(100 KHz - 1MHz)
  • Auto-resetting Under-voltage shutoff: 90V ± 6V
  • Auto-resetting Over-voltage shutoff: 144V ± 8V
  • Lightning Protection: Yes

Product Wiki

Extended Warranty



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