| PartNumber | FBMOV550M | FBMOV460M | FBMOV510M |
| Description | Varistors Fuse Body MOV | Varistors Fuse Body MOV | Varistors Fuse Body MOV |
| Manufacturer | Littelfuse | Littelfuse Inc. | Littelfuse Inc. |
| Product Category | Varistors | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| RoHS | Y | - | - |
| Series | M | FBMOV | FBMOV |
| Mounting Style | PCB Mount | - | - |
| Termination Style | Axial | - | - |
| Voltage Rating AC | 550 VAC | 460 VAC | 510 VAC |
| Voltage Rating DC | 910 VDC | 615 VDC | 670 VDC |
| Clamping Voltage | 1.475 kV | 1.22 kV | 1335 V |
| Diameter | 40.2 mm | 40.2 mm | 40.2 mm |
| Peak Surge Current | 40 kA | 40 kA | 40 kA |
| Surge Energy Rating | 1.1 kJ | 980 J | 1040 J |
| Capacitance | 1260 pF | 1500 pF | 1360 pF |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Bulk | Bulk | Bulk |
| Length | 85.1 mm | 85.1 mm | 85.1 mm |
| Brand | Littelfuse | - | - |
| Product Type | Varistors | - | - |
| Factory Pack Quantity | 4 | - | - |
| Subcategory | Varistors | - | - |
| Mounting | - | Axial | Axial |
| Operating Temperature Range | - | - 55 C to + 85 C | - 55 C to + 85 C |
| Package Case | - | Axial Cylinder | Axial Cylinder |
| Mounting Type | - | Screw Mount | Screw Mount |
| Number of Circuits | - | 1 | 1 |
| Varistor Voltage Min | - | 675V | 738V |
| Varistor Voltage Typ | - | 750V | 820V |
| Varistor Voltage Max | - | 825V | 902V |
| Current Surge | - | 40kA | 40kA |
| Maximum AC Volts | - | 460VAC | 510VAC |
| Maximum DC Volts | - | 615VDC | 670VDC |
| Energy | - | 980J | 1040J |