408-4406 Datasheet, PDF (2/5 Pages) TE Connectivity Ltd – Mass Insertion Terminating Head

408-4406
WIRE SIZE
(AWG)
MTA 100 FEED-THROUGH RECEPTACLE CONNECTORS
(With Locking Ramp)■
COLOR CODE WITH POLARIZING TABS WITHOUT POLARIZING TABS
22
Red
644540
640620
24
White
644563
640621
26
Blue
644564
640622
28
Green
644565
640623
■ Dash numbers indicate number of contact positions (-2 through -12 are applicable for this terminating head).
Figure 2
Each wire is terminated in a connector contact using
the insulation displacement technique (a terminating
technique which inserts unstripped wire into a slotted
contact beam to form a reliable electrical connection
between the wire and the contact). Contact
termination is complete when the handle assembly is
actuated.
3. SETUP
3.1. Installing Head
The head can be installed onto the handle assembly
and used as a hand-held tool, or several tools can be
mounted onto a board to be used as a low-level
harness board fixture.
The board must have two 6.36-mm [.250-in.] holes
spaced 44.45 mm [1.75 in.] apart for each head.
Secure each head with screws. See Figure 3.
NOTE
i
The handle assembly is not quick to install onto the
head; therefore, each head should have its own
handle assembly.
Installing Head As
Harness Board Fixture
Handle 
Assembly 
(Ref)
3.2. Test Termination
At least one test termination should be performed and
inspected before starting production. Determine the
wire size and select the appropriate color-coded
connector.
1. Using a small knife, cut off the wire retainers
(strain relief) from both sides of the test connector.
See Figure 4.
NOTE
i
Wire retainers must be removed from test
connectors to provide a clear view for inspection-do
NOT use test connectors for production
applications.
2. Terminate the test connector according to Section
4 and inspect the connector following the
requirements in Step 6. Make any insertion depth
adjustments to the terminating head according to
Section 5 before starting production.
Figure 3
4. TERMINATING PROCEDURE
1. Starting with the wire slot closest to the head
frame, push one wire into one slot for each contact
position of the connector being terminated. See
Figure 5.
2. Insert the connector into the ram with the contact
insulation barrels facing the wire slots.
3. Using a screwdriver (or equivalent), push the
connector into the ram until the connector touches
the surface of the frame. Refer to Figure 5.
NOTE
i
To ensure proper alignment in the head, all
connector positions must touch the surface of the
head frame.
Rev C
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