| PartNumber | 858-012-203RSS4 | 858-012-203RSU4 | 858-01/003 |
| Description | Circular Metric Connectors | Circular Metric Connectors M12 12 Pos F SoldCup Cbl mnt Unsheild | AC Power Line Filters Power Line Filters 1EC CONN/FILTER 1A |
| Manufacturer | NorComp | NorComp | Qualtek |
| Product Category | Circular Metric Connectors | Circular Metric Connectors | Power Entry Connectors - Inlets, Outlets, Modules |
| Product Type | Circular Metric Connectors | Circular Metric Connectors | - |
| Brand | NorComp | NorComp | - |
| Factory Pack Quantity | 75 | 75 | - |
| Subcategory | Circular Connectors | Circular Connectors | - |
| RoHS | - | Y | - |
| Number of Contacts | - | 12 Contact | - |
| Thread Size | - | M12 | - |
| Termination Style | - | Solder Cup | Quick Connect |
| Current Rating | - | 1 A | 1 A |
| Voltage Rating | - | 30 V | 115 VAC 250 VAC |
| Series | - | M12 | 858 |
| Packaging | - | Tray | Bulk |
| Body Style | - | Straight | - |
| Contact Plating | - | Gold | - |
| Gender | - | Female | - |
| Housing Material | - | Polybutylene Terephthalate (PBT) | - |
| Shell Style | - | Receptacle | - |
| Shielding | - | Unshielded | - |
| Mounting Style | - | Cable | Screw |
| Contact Gender | - | Socket (Female) | - |
| Unit Weight | - | 0.376726 oz | - |
| Termination | - | - | Quick Connect |
| Mounting Type | - | - | Panel Mount, Flange |
| Features | - | - | - |
| Ingress Protection | - | - | - |
| Connector Type | - | - | Receptacle, Male Blades |
| Filter Type | - | - | Filtered (EMI, RFI) - Commercial |
| Approvals | - | - | CSA, UL, VDE |
| Number of Positions | - | - | 3 |
| Connector Style | - | - | IEC 320-C14 |
| Material Flammability Rating | - | - | - |
| Current IEC | - | - | 1A |
| Voltage IEC | - | - | 115/250VAC |
| Current UL | - | - | - |
| Voltage UL | - | - | - |
| Fuse | - | - | No |
| Switch Features | - | - | - |
| Fuse Holder Drawer | - | - | - |
| Panel Cutout Dimensions | - | - | Rectangular - 30.48mm x 21.21mm |
| Panel Thickness | - | - | - |
| Operating Frequency | - | - | 60 Hz |
| Leakage Current | - | - | 450 uA |