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|  MIL-T-81527B(AS)
(a) Voltage Relays:
578R040H01 and H02
578R145H01, H02, H03, H07, H08, and H09
578 R147HOl and H02
(b) Current Relays:
578R040H11
578R147H1O
(c) Latching Relay:
576R148H03
(d) Reed Relay:
579R760H01
3.4.1.6.8.8.2 Power Requirements,
The relay tester shall be capable of
operating from a 50 to 400 Hz, 115 V source without any of the primary cir-
cuit breakers on the bench being closed.
The relay tester shall be capable
of being operated without being dependent upon the bench and shall have suit-
able circuit protection.
3.4.1.6.8.8.3 Coil Voltage.
Voltage to the relay socket coil terminals shall
be applied to binding posts which shall serve as test points for the coil voltage
they shall enable the application of coil voltage to solder hook-type relays
such as 478R145H05. Coil voltage of relays whose coil voltage is 26.5 V
nominal shall be applied by the actuation of a momentary pushbutton switch.
Switching shall be provided to control latching relay testing whereby it
shall be possible to latch the relay and reset it.
3.4.1.6.8.8.4 Current Relay Coil Current. Provisions shall be made to
test the current sensitive relays in socket 577R480H01. The test circuit
shall vary the coil current to determine the specific current at which the
relay becomes energized.
Protection (fusing) shall be provided such that the
relay under test or the tester shall no t be damaged during testing.
A meter
shall display coil current.
The tester shall provide testing
3.4.1.6.8.8.5 Overload Relays in Circuits.
for the following listed relays with their associated circuitry while the relays
Power shall be supplied to the specified terminals
remain in their sockets.
in the following table while the current to the circuit is measured to an
.
accuracy of 5 percent.
62
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