MIL-PRF-83536/20A
REQUIREMENTS:
Contact data:
Load ratings: See table I.
Low level: 10 to 50 µA at 10 to 50 mV dc or peak ac.
Intermediate current: Applicable.
Mixed loads: Applicable.
TABLE I. Rated contact load and cycles (amperes per pole).
Cycles x 103
Type of load
28 V dc
115 V ac
115/200 V ac
115 V ac
115/200 V ac
1 phase
(high level)
3 phase
1 phase
3 phase
400 Hz
400 Hz
50/60 Hz 1/
50/60 Hz 1/
Resistive
100
10
10
2.5
10
2.5
Inductive
20
8
8
N/A
8
N/A
Inductive
10
N/A
N/A
2.5
N/A
2.5
Motor
100
4
4
2
4
2
Lamp
100
2
2
1
N/A
N/A
1/ For 50/60 Hz rating, rupture and overload are not applicable and life for each load shall be 10,000 cycles.
Life: 100,000 cycles, unless otherwise specified (see table I).
Contact voltage drop or resistance:
Initial contact voltage drop: 0.100 volt maximum. Rated resistive current at 6 V dc or peak ac.
Relays shall not make or break this load.
Initial contact resistance: 0.010 ohm maximum. 50 mA max at 6 V dc or peak ac.
High level life (contact voltage drop):
During life: 10 percent open circuit voltage maximum.
After life: 0.125 volt maximum.
Intermediate current (contact resistance):
During intermediate current: 3 ohms maximum.
After intermediate current: 0.150 ohm maximum.
Low level (contact resistance):
During low level: 100 ohms maximum.
After low level: 0.150 ohm maximum at 100 mA and 28 V dc.
Contact bounce: 1.0 millisecond maximum.
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