Specification Unit Value Note:
Military Specifications MIL-S-3786
Continuous (Non-Switching)
Current Carrying Capacity Amps 15 at 28 VDC, with max. contact temperature rise of 20ûC
Switching Current Capacity at
28 VDC resistive Amps 5
Switching Current Capacity at
115 VAC resistive Amps 5
Switching Current Capacity at
28 VDC inductive (2.8 H.) Amps 3
Switching Current Capacity at
28 VDC Lamp Load Amps 3
Low Level max. capacity mA 10 at 30 millivolts DC max.
Dielectric Strength, min. VRMS 1,500
Contact resistance, max.
(initial) milliohms (mΩ) 0.5
Contact resistance, max.
(after life) milliohms (mΩ) 20
Insulation resistance, min.
(initial) megaohms (MΩ) 100,000 at 100 VAC
Insulation resistance, min.
(after life) megaohms (MΩ) 50,000 at 100 VAC
Switching Life, min cycles 25,000 at rated loads, sea-level, 25ûC, 68% relative humidity
Mechanical Life, min cycles 100,000
Rotational Torque, min. inch pounds 24
Rotational Torque, max. inch pounds 80
Stop Strength, max. inch pounds 50
Mounting Ferrule Strength inch pounds N/A
Withstanding Shaft Push
Force pounds 200
Weight grams 140 2 inch. Square
Molded Parts Glass Epoxy-
Mil P 18177
Contact Surfaces Pure, Solid
Silver Gold plate is an option
Altitude feet 80,000 Typical pressure at 80,000 feet: 0.4 psi
Temperature, min. degrees Celsius -55
Temperature, max. degrees Celsius 125
Vibration Tested Meets Per MIL-S-3786, MIL-STD-202, Method 204, test condition
"B", vibration grade 3
Impact Shock, Medium Meets MIL-STD 202; Method 213
Impact Shock, High Meets at 100g, MIL-STD 202, Method 207
Moisture Resistant No
Salt Spray Resistant No
Explosion Proof No
Immersion No
EMI/RFI Meets MIL-S-3786, 2 ohms Shaft to ground max.
Capacitance, min picofarad (pF) 2-1/2 measured between contacts and between ring and contacts
Capacitance, max picofarad (pF) 4 measured between contacts and between ring and contacts
Open Frame Technical Data
at Atmospheric pressure with 85ûC and at reduced Barometric
pressure with 25ûC