
A global leader in overvoltage protection devices, ASwich offers a comprehensive line of Surge Protective Devices (SPD) , components, and systems.Aswich Surge Protective Device (SPD) is a no-fuse, fail-safe surge suppressor featuring . UL 1449 4th Edition approved, it is DIN-rail mountable featuring a fail-safe self-protected design, visual indicator, small footprint, and a 40kA surge capacity.
- No need to consider the load current, plug design, can be replaced live, easy to maintain.
- Internal steal temperature control circuit breaker technology, high safety performance, no freewheeling.
- Green indicates normal, red indicates fault, prompt replacement, clear and easy to distinguish.
- Remote monitoring interface (dry contact) is provided to realize remote monitoring of working status.
| Product model | EDPG40-2 (R) | EDPN40-3 (R) | EDPT40-3 (R) | |
| IEC Electrical | ||||
| Maximum Continuous Operating DC Voltage (DC+) - PE, (DC-) - PE (DC+) - (DC-) | UCPV | 600V | 1010V | 1500V |
| UCPV | - | 1010V | 1500V | |
| Nominal Discharge Current (8/20 μs) | In | 20kA | ||
| Total Discharge Current (8/20 μs) | I Total | 40kA | ||
| Maximum Discharge Current (8/20 μs) | Imax | 40kA | ||
| Voltage Protection Level (DC+) - PE, (DC-) - PE (DC+) - (DC-) | Up | 2200V | 4000V | 5200V |
| Up | - | 4000V | 5200V | |
| Response Time | tA | <25ns | ||
| Short-Circuit Current Rating | I SCPV | 2000A | ||
| Number of Ports | 1 | |||
| Mechanical & Environmental | ||||
| Operating Temperature Range | Ta | -40oF to +158oF [-40oC to +70oC] | ||
| Permissible Operating Humidity | RH | 5%…95% | ||
| Atmospheric pressure and altitude | 80k Pa … 106k Pa / -500m … 2000m | |||
| Terminal Screw Torque | Mmax | 39.9 Ibf·in [2.0~2.5 N.m] | ||
| Conductor Cross Section (max) | 2 AWG (Solid, Stranded) / 4 AWG (Flexible) | |||
| 35 mm2(Solid, Stranded) / 25 mm2 (Flexible) | ||||
| Mounting | 35 mm DIN Rail, EN 60715 | |||
| Degree Of Protection | IP20 (built-in) | |||
| Housing Material | Thermoplastic: Extinguishing Degree UL 94 V-0 | |||
| Thermal Protection | Yes | |||
| Operating State / Fault Indication | Green ok / Red: failure | |||
| Remote Contacts (RC) | Optional | |||
| RC Switching Capacity | AC:250V / 0.5A;DC:250V / 0.1A;125V / 0.2A;75V / 0.5A | |||
| RC Conductor Cross Section (max) | 16 AWG (Solid) / 1.5 mm2(Solid) | |||






Q: Are you trading company or manufacturer ?
A: We are manufacturer. We have 30,000 square meters of self-owned plant.
Q: Do you have any certificates?
A: Yes,we have UL, TUV, CB, SAA, CCC, CE and other certifications.
Q: How do we make a quick response to customer , 5 inquiry ?
A: Our professional team will reply you online or by email,Skype, whatsApp and so on.
Q: Do you have any exporting experience?Which countries did you export to before?
A: We have lots of exporting experience and customers in many countries,such as America, Japan,Australia,UAE,Canada,Vietnam,Turkey,Thailand,Russia,UK,etc.
Q:Can you supply samples for checking ?
A: Yes, we can supply samples, pls contact for detailed required.
Q:How long is your delivery time?
A: Generally it is within 3days for small qty. Or it is around 15-20 days to a general order.
Q: What is the standard of package of your goods?
A: Export standard package or special package according to customer requirement.
Q:How about inspection?
A: We have the whole inspection system from raw material to end products include transient test, delay test,mechanical life test and so on.Q:What is the service offered by company?
A: We have the professional engineer team which can design and develop the mould to arrive different customer requirements. We also have the professional sales team to offer good service from pre-sale to after-sale.








Audited Supplier










