molex RHT 2251-CC, 64001-1000 Specifications
RHT2251-CC Hand Crimp Tool
Hand Crimp Tool
Operating Instruction Sheet
And Specifications
Part No. 64001-4900
Eng. No. RHT 2251-CC
(Replaces 19285-0023)
FEATURES
A full cycle ratcheting hand tool ensures complete crimps
Long handles for comfortable crimping with reduced crimping force
A precision user-friendly terminal locator wire stop holds terminals in the proper crimping position
Single color-coded crimp pocket eliminates the possibility of using the wrong pocket
SCOPE
AviKrimp Fully Insulated Quick Disconnect Female Couplers and, Perma-Seal Fully Insulated Snap Plug Receptacles 10 - 16 AWG.
Testing
Mechanical
The tensile test, or pull test, is a means of evaluating the mechanical properties of the crimped connections. The following charts
show the UL specifications for various wire sizes. The tensile strength is shown in pounds and indicates the minimum acceptable
force to break or separate the terminal from the conductor.
Wire Size (AWG) *UL - 486 A *UL - 310
16 30 30
14 50 50
12 70 70
10 80 80
UL - 310 - Quick Disconnects Couplers
*UL - 486 A - Terminals (Copper conductors only)
The following is a partial list of the product part numbers and their specifications that this tool is designed to run. We will be adding to
this list and an up to date copy is available on www.molex.com.
Terminal No. Terminal Eng No. (REF)
19164-0054 SBRB-8156N .300 7.60 N/A N/A
19164-0055 SBRB-8180N .300 7.60 N/A N/A
Terminal No. Terminal Eng No. (REF)
19005-0010 C-2265 .313 7.94 .275 6.99
Doc No. 64001-4900 Release Date: 10-15-04 UNCONTROLLED COPY Page 1 of 6
Revision: A Revision Date: 10-15-04
Wire Size: 14 – 16 AWG 2.00 – 1.30 mm²
Wire Strip Length Insul. Dia. Max.
In mm In mm
Wire Size: 10 – 12 AWG 5.00 – 3.30 mm²
Wire Strip Length Insul. Dia. Max.
In mm In mm
RHT2251-CC Hand Crimp Tool
CONDUCTOR
OPERATION
Open the tool by first closing the jaws sufficiently for the ratchet
mechanism to release.
TERMINAL
JAWS OPEN
POCKET OF
LOCATOR
LOCATOR
Figure 1
4. Insert the properly stripped wire into the terminal barrel (See Figure 2 and 3). The wire insulation will stop against the taper of the
terminal. Cycle the tool.
Note: The tamper proof ratchet action will not release the tool until it has been fully closed.
5. Remove the crimp and inspect for proper crimp location, and check for insulation closure. Molex offers a Crimp Inspection
Handbook for closed barrel industrial product. See our website or contact your sales engineer.
6. If the insulation part of the crimp needs to be adjusted, first loosen the M4 screw on the bottom tool jaw, then insert a 3/32 hex
wrench (supplied) into the bottom of the lower die (See Figure 4). A clockwise (CW) rotation decreases insulation crimp while a
counter-clockwise (CCW) rotation increases insulation crimp. After adjusting retighten the M4 screw.
WIRE
TERMINAL
Figure 2
Note: Whenever crimping without the locator, make sure the seam of the terminal is oriented
up or down in the tool if using unbrazed product, as this will provide higher pull force values.
Crimping Terminals
1. Adjust the locator up or down until the terminal being run sits flat
and straight in the tool.
2. Position the terminal with the barrel facing up into the color-coded
nest. Make sure the end of the terminal fits into the locator
pocket securely and the front edge of the barrel is flush against
the front edge of the locator, (See Figure 1).
3. Partially close the tool to hold the terminal in place (See Figure
2).
WIRE STOP
BUILT INTO
TERMINAL
LOCATOR
TERMINAL
PUNCH
CONDUCTOR
ANVIL
PUNCH
INSERT
ANVIL
INSERT
WIRE
Figure 3
Doc No. 64001-4900 Release Date: 10-15-04 UNCONTROLLED COPY Page 2 of 6
Revision: A Revision Date: 10-15-04
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