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| Part Number | SPD2-550-4P0-R | SPD2-150-4P0-R | SPD2-350-4P0-R | SPD2-550-1P0-R | SPD2-550-2P0-R | SPD2-550-3P0-R |
|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active |
| Type | Type 1, Type 2 | Type 1, Type 2 | Type 1, Type 2 | Type 1, Type 2 | Type 1, Type 2 | Type 1, Type 2 |
| Form | Base + Module | Base + Module | Base + Module | Base + Module | Module Only | Base + Module |
| Number of Poles | 4 | 4 | 4 | 1 | 2 | 3 |
| Voltage - Continuous Operating (Max) (MCOV) | 550VAC | 150VAC | 350VAC | 550VAC | 550VAC | 550VAC |
| Current - Discharge (Nom) (8/20µS) | 20 kA | 20 kA | 20 kA | 20 kA | 20 kA | 20 kA |
| Current - Discharge (Max) (8/20µS) | 50 kA | 50 kA | 50 kA | 50 kA | 50 kA | 50 kA |
| Current - Short Circuit Rating (SCRR) | 200 kA | 200 kA | 200 kA | 200 kA | 200 kA | 200 kA |
| Voltage - Protection Rating (VPR) | 2 kV | 600 V | 1 kV | 2 kV | 2 kV | 2 kV |
| Voltage - Protection Level (VP) (2416) | 2.5 kV | 1.25 kV | 1.75 kV | 2.5 kV | 2.5 kV | 2.5 kV |
| Operating Temperature | -40°C ~ 80°C | -40°C ~ 80°C | -40°C ~ 80°C | -40°C ~ 80°C | -40°C ~ 80°C | -40°C ~ 80°C |
| Features | Remote Signaling Contacts, Thermally Protected | Remote Signaling Contacts, Thermally Protected | Remote Signaling Contacts, Thermally Protected | Remote Signaling Contacts, Thermally Protected | Remote Signaling Contacts, Thermally Protected | Remote Signaling Contacts, Thermally Protected |
| Mounting Type | DIN Rail | DIN Rail | DIN Rail | DIN Rail | DIN Rail | DIN Rail |
| Approval Agency | CE, cURus, UL, VDE | CE, cURus, UL, VDE | CE, cURus, UL, VDE | CE, cURus, UL, VDE | cURus, UL, VDE | CE, cURus, UL, VDE |
