What is a Surge Protective Device (SPD)?
A Surge Protective Device (SPD) is an essential electrical component designed to protect electrical equipment from damage caused by sudden voltage spikes, known as surges. These surges can result from
• Materials: Nylon + EPDM rubber
• Waterproof: IP68
• Temperature：-40°～105°,Short-term 120°
• fire prevention：UL94V-2, Customizable V0
• performance：ROHS20, EU CE, IP68
| Product model | Thread size | Cable range | Thread length | Wrench Size |
| PN. | Metric | φ mm | GL mm | nut/cap mm |
| MG20A-H5-04 | M20×1.5 | 2~4 | 15 | 27/27 |
| MG20A-H5-03 | M20×1.5 | 1.5~3 | 15 | 27/27 |
| MG22A-H5-04 | M22×1.5 | 2~4 | 10 | 29/27 |
| MG22A-H5-03 | M22×1.5 | 1.5~3 | 10 | 29/27 |
| MG25A-H5-06 | M25×1.5 | 4~6 | 15 | 33/33 |
| MG32A-H5-08 | M32×1.5 | 5~8 | 15 | 41/41 |
| MG40A-H5-08 | M40×1.5 | 5~8 | 20 | 50/50 |
| PG16A-H5-04 | PG16 | 2~4 | 11 | 30/27 |
| PG16A-H5-03 | PG16 | 1.5~3 | 11 | 30/27 |
| PG21A-H5-06 | PG21 | 4~6 | 12 | 36/33 |
| PG29A-H5-08 | PG29 | 5~8 | 12 | 46/41 |
| PG36A-H5-08 | PG36 | 5~8 | 15 | 57/50 |
| G2/1A-H5-04 | G1/2 | 2~4 | 15 | 30/27 |
| G1/2A-H5-03 | G1/2 | 1.5~3 | 15 | 30/27 |
| G3/4A-H5-06 | G3/4 | 4~6 | 15 | 33/33 |
| *G1A-H5-08 | G1 | 5~8 | 15 | 42/41 |
| G1-1/4A-H5-08 | G1-1/4 | 5~8 | 16 | 51/50 |
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