Mini-Fit Jr Connector Crimping Tool Kit, 2-24 Pin 4.2mm Wire-to-Wire Connectors, 16-24 AWG Terminals, Pin Extractor & Stripper, Compatible with Molex, for PC ATX EPS Power, 3D Printer & DIY

Specifications

: The Mini-Fit Jr 4.2 mm pitch wire-to-wire connector kit is made of flame-retardant Nylon PA66 (94 V-0) material.
Rated Current: 13A max.
Operating Temperature: -40°C to +105°C. The terminals are made of tin-plated copper with high-retention dual locking tangs, which firmly secure the terminal inside the housing to prevent pull-out and ensure a stable electrical connection
Compatibility & Important PC Compatibility: The connectors are fully compatible with Molex Mini-Fit Jr 4.2 mm (Compatible
Housings: 5557 / 5559;
Terminals: 5556 / 5558), ideal for replacing original parts.
CRITICAL NOTE FOR PC BUILDERS: These standard housings are ONLY compatible with Motherboard ATX 24/20-Pin and CPU EPS 8/4-Pin. They are STRICTLY NOT compatible with GPU/PCIe power interfaces due to proprietary keying conflicts.
Broad Industrial & Commercial Application: Engineered for reliable 24-16 AWG power delivery, it is extensively used for system maintenance and wire routing in industrial automation (PLC), HVAC control boards, PC ATX motherboards, 3D printers, Battery Management Systems (BMS), automotive electrical systems, and arcade machine restorations, accommodating diverse wiring needs from 2 to 24 pins


Professional Mini-Fit Jr 4.2 mm Connector Kit with Crimping Tool & Wire Stripper
Engineered for reliable 24-16 AWG power delivery, it is extensively used for system maintenance and wire routing in industrial automation (PLC), HVAC control boards, PC ATX motherboards, 3D printers, Battery Management Systems (BMS), automotive electrical systems, and arcade machine restorations, accommodating diverse wiring needs from 2 to 24 pins.
KEY FEATURES:
- Professional Overlap Crimping: Designed specifically for Mini-Fit Jr 4.2 mm connectors, it employs a special "Overlap Insulation Crimp" design to tightly wrap the wire insulation (providing superior strain relief), while simultaneously performing a precision F-Crimp on the wire core for maximum conductivity.
- Wide Compatibility: Crimps Molex Mini-Fit Jr 4.2 mm, Molex Standard. 062" ( 3.68 mm), Dupont 2.54 mm, KF2510, and KK 254 connectors.
- Maintenance Made Easy: Includes dedicated pin extractors specifically designed to remove terminals from housings without damage.
TECHNICAL SPECIFICATIONS:
- Pitch: 4.2 mm
- Compatibility: Compatible with Molex Mini-Fit Jr Series (5557/5559)
- Wire Gauge: Fits 24-16 AWG
- Rated Current: 13A MAX
- Operating Temp: -40 C to +105 C
PACKAGE INCLUDES:
1x Ratcheting Crimping Tool
1x Wire Stripper
1x Pin Extractor
1x Double-Layer Storage Box
54x Male & Female Housings (2-24 Pin)
440x Male & Female Crimp Terminals