MS27614F
Contact size |
Amperes |
12 16 20 |
41 22 7.5 |
During the next minute of test, 110/125 volts at 60 Hz shall be applied between adjacent contacts and between contacts and the shell without exceeding 2 amperes of line current. Throughout the test, there shall be no passing of
Flames through the connector, nor shall there be any secondary combustion at the rear of the panel mounted connector.
There shall be no adapters or extensions other than the standard cable clamp assembled to the connectors during the fireproof test.
2. Insulation resistance, fireproof: After the flame test, the connectors shall be
allowed to cool to room temperature, the mated connectors shall then be subjected to a test potential of 500 V dc. The insulation resistance of the connectors shall be greater than 2,000 megohms.
3. Dielectric withstanding voltage, fireproof. After exposure to the flame and insulation resistance tests, the mated connectors shall be subjected to 1500 V ac rms. Applied between adjacent contacts and the contacts closest to the shell, there shall be no evidence of breakdown or flashover.
4. Contact retention, fireproof after exposure to the flame, insulation resistance and dielectric withstanding tests, the individual contact locking mechanism shall withstand the axial loads specified in the table.
Contact size |
Axial load (lbs.) (fireproof) |
12 16 20 |
23 18 12 |
The load shall be applied to the contact as specified in MIL-DTL-26500 and shall be applied at a rate of one pound per second.
All dimensions shown are in inches and are after plating dimensions.
The four keys and/or keyways shall be within .004 of true position relative to the master key.
The connector described in this MS drawing is classified as class K firewall connector.
The shell sizes range from 12 to 28 and shall conform to the applicable portions of MIL-DTL-26500.
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