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| PartNumber | 55857-1 | 558574-1 | 55857-1890 |
| Description | Terminals 12-10 PRE-INSUL SEALED TERM R | Power to the Board RCPT ASY VRT AMPNRGY WTB 4 POS | |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Terminals | Power to the Board | - |
| RoHS | Y | Y | - |
| Product | Screw Terminals | - | - |
| Type | Ring | - | - |
| Stud / Tab Size | # 10 | - | - |
| Insulation | Insulated | - | - |
| Contact Plating | Tin | Tin Lead | - |
| Packaging | Bulk | - | - |
| Insulation Material | Polyolefin (PO) | - | - |
| Material | Copper | - | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Product Type | Terminals | Power to the Board | - |
| Factory Pack Quantity | 500 | 100 | - |
| Subcategory | Terminals | Power Connectors | - |
| Wire Gauge Max | 10 AWG | - | - |
| Part # Aliases | 55857-1 | - | - |
| Contact Gender | - | Socket (Female) | - |
| Number of Positions | - | 4 Position | - |
| Mounting Style | - | PCB | - |
| Termination Style | - | Wire | - |
| Series | - | AMPINNERGY | - |
| Housing Material | - | Polyphenylene Sulfide (PPS) | - |
| Contact Material | - | Copper | - |