Upgraded Terminal Block for RAMPS Board


This should be used instead of the standard terminal block supplied with the RAMPS board.  The terminal provided can burn out, as shown in a few of my videos (and the photo to the left), possibly leading to a fire.

Digi-Key Part Number WM7953-ND


Manufacturer Molex, LLC
Series Eurostyle ESE 39530
Packaging ? Bulk ?
Part Status Active
Type Plug, Female Sockets
Number of Positions 4
Positions Per Level 4
Number of Levels 1
Pitch 0.200″ (5.08mm)
Header Orientation
Plug Wire Entry 180°
Termination Style Screw – Rising Cage Clamp
Mounting Type Free Hanging (In-Line)
Current – IEC
Current – UL 15A
Voltage – UL 300V
Wire Gauge or Range – AWG 12-26 AWG
Wire Gauge or Range – mm²
Color Black
Operating Temperature -40°C ~ 115°C
Contact Mating Finish Tin
Features Retention Latches (Non-Wire Side)
Material Flammability Rating
Ingress Protection
Screw Size M3
Torque – Screw 0.56 Nm (5.0 Lb-In)
Wire Strip Length 5mm
Contact Material Copper Alloy
Housing Material Polyamide (PA), Nylon
Contact Tail Length
Insulation Height 0.591″ (15.00mm)