MC4 Assembly Tool Manual
2775 E. Philadelphia St., Ontario CA 91761
1-800-330-8678
Version: 1.0
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Important Safety Instructions ..................................................................................................................................... 3
General Information ........................................................................................................................................................... 3
Identification of Parts ........................................................................................................................................................ 4
Operation .................................................................................................................................................................................. 4
Unplugging MC4 Connections ..................................................................................................................... 4
Assembling/Disassembling MC4 Connectors ....................................................................................... 5
Technical Specifications ................................................................................................................................................. 8
Table of Contents
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Important Safety Instructions
Please save these instructions.
This manual contains important safety, installation, and operating instructions for the
unit. The following symbols are used throughout the manual to indicate potentially
dangerous conditions or important safety information.
WARNING: Indicates a potentially dangerous condition. Use extreme caution
when performing this task.
CAUTION: Indicates a critical procedure for safe and proper operation of the
controller
NOTE: Indicates a procedure or function that is important to the safe and proper
operation of the controller.
General Safety Information
• Read all instructions and cautions in the manual before using the tool.
• Do NOT attempt to disassemble MC4 connections with alternative tools. Doing so may
damage the connections and/or the connectors.
• If using MC4 connectors not supplied by Renogy, this tool may not work for those
connectors.
General Information
The Renogy MC4 Assembly Tool is designed to make the assembly and disassembly of
MC4 connections quick and easy. This tool can assist in the connections/disconnection
of the MC4 connectors from one another or assist in the addition/removal of another
MC4 connectors from a bare wire. This unit is made of a hard plastic material that is
strong enough to provide sufficient leverage for operation, while simultaneously
preventing fracture or marring of MC4 connector and its surfaces.
Key Features
• Hard plastic
• Easy assembly and disassembly of MC4 connectors
• Quick disconnect for existing MC4 connections
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Identification of Parts
Key Parts
1. For Gripping Base of MC4
2. For MC4 connector nose
3. Pins to unplug MC4 connectors
Operation
NOTE: If the user needs to unplug MC4 cables, then only ONE MC4 assembly tool
is needed. Otherwise, TWO MC4 tools are required for assembly/disassembly of
connectors.
Unplugging MC4 Connections
MC4 connections will consist of a male and female MC4 connector latched onto one
another. Breaking these connections, whether it be for panel expansion or insertion of
MC4 branch connectors, could be troublesome if the user is not using the MC4
Assembly Tool. In order to disconnect wires, simply:
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1. Align MC4 tool with MC4 connections along the middle
2. Press down and pull the MC4 connections away from each other
Assembling/Disassembling MC4 Connectors
In order to assemble MC4 connectors, it is highly recommended that users have these
tools:
• 2 x MC4 Tools
• Wire Crimper and/or Wire Stripper
• MC4 connector
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1. Strip wire, insert silver platted copper piece into exposed wire and
crimp
2. Insert base of MC4 connector through wire then tighten with head of
MC4
3. After initial tightening, insert the nose of the MC4 connector head
through the middle hole of the MC4 tool
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4. Use the second MC4 tool to grip the base of the MC4 connector.
Rotate one of the tools while keeping the other still to finish
tightening the MC4 connector
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Technical Specifications
MC4 Assembly Tool
Dimensions
5.5 x 2 x 1in / 139.7 x 50.8 x 25.4mm
Weight
0.3oz
Material
Hard Plastic
MC4 Connector
Rated Current
30A
Maximum Voltage
1000 VDC
Wiring Size Range
#AWG 12—10
Contact Material
Silver Plated Copper
Insulation Material
PA/PC
Contact Resistance
0.5mΩ
Temperature
-40°F to 194°F / -40°C to 90°C
Protection Class
IP67
Renogy reserves the right to change the contents of this manual without notice.
Revision: 9/14/2017
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