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| Part Number | SPD-277S-20KA-EILR | SPD-277P-10KA | SPD-277P-20KA | SPD-277S-10KA | SPD-277S-20KA |
| Manufacturer | ERP Power, LLC | ERP Power, LLC | ERP Power, LLC | ERP Power, LLC | ERP Power, LLC |
| Series | SPD | SPD | SPD | SPD | SPD |
| Packaging | Box | Box | Box | Box | Box |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Type | - | - | - | - | - |
| Form | Module Only | Module Only | Module Only | Module Only | Module Only |
| Number of Poles | 1 | 1 | 1 | 1 | 1 |
| Voltage - Continuous Operating (Max) (MCOV) | 320VAC | 320VAC | 320VAC | 320VAC | 320VAC |
| Current - Discharge (Nom) (8/20µS) | 10 kA | 5 kA | 10 kA | 5 kA | 10 kA |
| Current - Discharge (Max) (8/20µS) | 20 kA | 10 kA | 20 kA | 10 kA | 20 kA |
| Operating Temperature | - | - | - | - | - |
| Voltage - Protection Rating (VPR) | - | - | - | - | - |
| Voltage - Protection Level (VP) (2416) | - | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Features | Thermally Protected | Thermally Protected | Thermally Protected | Thermally Protected | Thermally Protected |
| Mounting Type | Free Hanging | Free Hanging | Free Hanging | Free Hanging | Free Hanging |
| Approval Agency | cURus | cURus | cURus | cURus | cURus |
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