MIL-PRF-83726/36D
REQUIREMENTS:
OPERATING REQUIREMENTS:
Timing action: Delay-on-release.
Time delay: Fixed; select from 0.1 second to 600 seconds.
Timing accuracy: 10 percent of nominal value. (The accuracy requirement applies for any
combination of operating temperature and voltage. Add 10 ms for timing less than 1 second.)
Recycle time: 50 milliseconds maximum. (Recycle time is defined as the minimum time that power
must be applied from the input terminals to assure that the next timing cycle will be completed within
the specified timing tolerance. (Units can be recycled during timing or after time-out.))
Power interrupt: 500 microseconds. (Transient and power loss specifications are based on a
maximum duty cycle of 1/50.)
Control voltage: 20 V dc to 30 V dc.
Control current: 15 milliamperes maximum at 25C.
Operating current: (X1-X2) 150 mA maximum at 25C.
Extraneous voltage: 7 V dc minimum.
INPUT REQUIREMENTS:
Input voltage range: 20 V dc to 30 V dc. (EMI test limits will not be exceeded during the timing
interval or when continuously energized under steady-state conditions in accordance with the EMI
test of MIL-PRF-83726.)
Duty rating: Continuous.
Current drain: (quiescent)10 milliamperes maximum at 25C.
Polarity protection: The timer shall be inoperative during, and undamaged by, reversal of the polarity
of the operating voltage, or control voltage.
OUTPUT REQUIREMENTS:
Configuration: 4PDT.
Life: See table I.
TABLE I. Life load ratings (relay case grounded).
Amperes
Amperes
Type of load
Life (cycles)
28 V dc
115/200 V ac 400 Hz
Resistive
100,000
10
10
Inductive
20,000
8
8
Motor
100,000
4
4
Lamp
100,000
2
2
Low level 1/
100,000
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1/ Contact load 10 A to 50 A at 10 mV to 50 mV (dc or peak ac).
3
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