USA 3M 558 Scotchlok Self-Locking Electrical Connector (Splice Clamp)
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| Color | Red |
| Wire Diameter Range | 22-16 AWG（0.5-1.5 mm²） |
| Maximum Insulation Outside Diameter | 0.12 inches (3.05 mm) |
| Voltage | 600V (construction wiring) / 1000V (lamps, signs) |
| Operating Temperature | 221°F（105°C） |
| Contact Material | Tinned Copper |
| Insulation Material | Polypropylene |
| Fire Resistance Grade | Flame Retardant |
| Connection Type | Branch/Dry Line (Run and Tap) |
| Certification | UL Listed (Standard 486C, File E23438) |
Manufacturer No.
55814879
Fitment Vehicles
Automotive Electrical SystemMarine Electrical SystemRecreational Vehicle Electrical System
Electrical and Electronic System - Industrial Encyclopedia
The 3M 558 Scotchlok Insulated Displacement Connector (IDC) is a self-locking electrical connector for quick connection of branch and main lines without stripping wires. Compatible with 22-16 AWG copper wire (0.5-1.5 mm²), red housing, rated voltage 600V (building wiring) or 1000V (lighting/signage). Features tin-plated brass U-shaped contacts and polypropylene insulation, operating temperature 105°C. Suitable for control circuits, lighting, automobiles, ships, RVs, and signaling systems. 3M original product, guaranteed reliable connection.