Position Sensors
HM Series
Miniature Hermetically Sealed Switches
GENERAL INFORMATION
FEATURES
HM switches are not generally recom-
mended for 115 VAC, 60 Hz. If you have a
60 Hz application in the milliamp range,
contact our 800 number for special de-
sign variations that are available.
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Hermetically sealed per enclosure de-
sign symbol 5, MIL-S-8805
Power load switching capability up to 4
amperes, 28 VDC and 2 Amps 115 VAC,
400 Hz
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Temperature tolerance from –85°F to
+250°F (–65°C to +121°C)
High temperature construction for use
from –85°F to +500°F (–65°C to
+260°C)
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Variety of auxiliary actuators
Choice of terminal styles
Gold contacts for special applications
Military standard construction with list-
ings on the MIL-S-8805 qualified prod-
ucts list.
ELECTRICAL RATINGS
Circuitry
Electrical Rating Code
Single-Pole
Double-Throw
H
I
1 amp res., 0.25 amp ind., 28 VDC.
Single-Pole
Double-Throw
2 amps res., 2 amps ind., 0.5 amps lamp load, 115 VAC,
400 Hz.
4 amps res., 2 amps ind., 1 amp lamp load, 28 VDC
1
Single-Pole
J
⁄2
amp res., 1⁄
amp ind. (sea level or 70,000 ft.),
4
Double-Throw
28 VDC
Single-Pole
Double-Throw
K
L
3 amps res., 1 amp ind. (sea level or 70,000 ft.), 28 VDC
1 amp res. or ind. (sea level), 115 VAC., 400 Hz.
Single-Pole
3 amp res., 1 amp ind., 28 VDC
Double-Throw
1 amp res., 1 amp ind., 115 VAC, 400 Hz.
APPLICATION NOTES
1. Honeywelldoes not recommend the use ofsilver cadmium oxide switch con-
tacts in non-arcing loads. Non-arcing loads are generally loads less than 12 volts and/or 0.5
amp. Catalog listings in the 5, 6, 15, and 16HM Series use silver cadmium oxide contacts. If you
have specific questions, contact the MICRO SWITCH Application Center at 1-800-537-6945.
2. For applications involving non-arcing loads, catalog listings in the 9, 10, 19 and 20HM Series
are recommended.
3. The 1, 2, 5, and 6HM Series are recommended for use only in 3 to 4 amp range applications.
18 HoneywellSensing and Controlɀ1-800-537-6945 USAɀ ⍣1-815-235-6847 Internationalɀ1-416-293-8111 Canada
HONEYWELL [ Honeywell ]
