Edco DRS-1231Q


Modular, DIN-Rail-mounted Surge Protective Device (SPD) for AC Panel Boards and Control Panels. The DRS Type 2 Series SPD is designed to be easily installed in power and control panels using standard DIN-rail mounting brackets. This series of product offers 40,000 amps of both normal and common mode surge protection. The DRS series is available in single phase, split phase, three phase (3 wires) and three phase (4 wires) configurations. Replaceable modules allow for easy maintenance and mount directly into the DRS base assembly, simplifying the replacement process. The status of the surge protector modules can be monitored through the indicator lenses or remotely through the alarm terminals.

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SKU: DRS-12031Q Categories: , , , Tags: , ,

Product Description

Technical Specifications:

  • PowerSure® DRS Series–Type 2
  • Nominal Discharge Current (8×20µs) In: 20kA
  • Maximum Discharge Current (8×20µs) Imax: 40kA
  • Nominal Voltage Un: 120, 230, 240, 277, 346, 480, 600 volts
  • Maximum Continuous Operating Voltage Uc: 150, 320, 380, 420, 580, 680, 1000 volts
  • Voltage Protection Level Up: 1.2 kV, 1.6 kV, 1.8 kV, 2.0 kV, 2.4 kV
  • Response Time Ts: 25ns
  • Relative Humidity: 95%
  • Insulation Resistance: >103 MΩ
  • Temperature Range: -40˚C to +85˚C
  • Degree of Protection: IP20
  • Housing: ABS / PA UL94V0

DRS 1231Q Specifications and Installation Information.


  • Effectively handle high-energy transients on type TT, TN-C, TN-S, and TN-C-S power systems
  • SPC rated Type 2 in accordance with EN 61643-11; Class I & II in accordance with IEC 61643-1
  • Built-in thermal components disconnect SPD from the power source to avoid thermal runaway conditions
  • Visual inspection windows on each module provide continuous status indication
  • Three position terminals provide remote status monitoring capability
  • DIN-rail mounting and plug-in module design allow for easy installation and maintenance
  • Gas tube module option for type TT grounding systems
  • 5 year warranty