| PartNumber | SPD-20-240P | SPD-20HP-277S | SPD-20-277P |
| Description | LED Protection Devices 20kA SurgeProtection Device240VAC 50/60Hz | LED Protection Devices 20kA SurgeProtection 120-277VAC | Surge Suppressors 20kA SurgeProtection Device277VAC 50/60Hz |
| Manufacturer | MEAN WELL | MEAN WELL | - |
| Product Category | LED Protection Devices | LED Protection Devices | - |
| RoHS | Y | Y | - |
| Series | SPD-20HP | SPD-20HP | - |
| IP Rating | IP67 | - | - |
| Packaging | Bulk | - | - |
| Height | 50 mm | 32 mm | - |
| Length | 90 mm | 71.6 mm | - |
| Product | LED Protectors | LED Protectors | - |
| Type | Surge Protection Device | Surge Protection Device | - |
| Width | 70 mm | 67.7 mm | - |
| Brand | MEAN WELL | MEAN WELL | - |
| Maximum Operating Temperature | + 70 C | + 75 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Product Type | LED Protectors | LED Protectors | - |
| Factory Pack Quantity | 18 | 60 | - |
| Subcategory | LED Protectors | LED Protectors | - |
| Unit Weight | 13.756845 oz | 8.218833 oz | - |
| Breakdown Voltage | - | - | - |
| On State Voltage | - | - | - |
| Rated Repetitive Off State Voltage VDRM | - | - | - |
| Holding Current Ih Max | - | - | - |
| Package / Case | - | - | - |
| Breakover Voltage VBO | - | - | - |
| Off State Leakage Current @ VDRM IDRM | - | - | - |
| Mounting Style | - | Panel | - |
| On State RMS Current It RMS | - | - | - |