Description
Overview
Honeywell 6HM1-6 is a hermetically sealed miniature snap-action switch from the HM Series, designed for extreme industrial, aerospace, and high-reliability applications. It features a stainless steel enclosure, glass-to-metal sealing, and wide temperature tolerance, delivering dependable performance in harsh environments.
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Basic Specifications
Brand: Honeywell
Model: 6HM1-6
Series: HM Series Sealed Switch
Circuit Type: SPDT (Single-Pole Double-Throw)
Contact Material: Silver (for power load)
Terminal: 3×22AWG 72-inch (1829mm) wire
Actuator: Direct-acting lever type
Switch Function: Normally Open Instantaneous Type
RoHS: Compliant with standard (lead-free) electrical rating
AC: 4 amperes AC 115 volts
DC: 4 amperes DC 28 volts Mechanical Characteristics
Working Force: 198.4 grams (1.945 newtons)
Release Force: 28 grams (0.275 newtons)
Pre-Travel: 0.8 millimeters (0.030 inches)
Differential Travel: 0.15 millimeters (0.006 inches)
Overtravel: 0.076 millimeters (0.003 inches)
Environmental and Physical Characteristics
Temperature Range: -65°C to +260°C (-85°F to 500°F); can be as low as -184°C (without lead bending)
Shell: Stainless steel, sealed type (dustproof, waterproof, corrosion-resistant gas)
Installation Method: Base mounting
Weight: Approximately 0.1 kilogram
Brand: Honeywell
Model: 6HM1-6
Series: HM Series Sealed Switch
Circuit Type: SPDT (Single-Pole Double-Throw)
Contact Material: Silver (for power load)
Terminal: 3×22AWG 72-inch (1829mm) wire
Actuator: Direct-acting lever type
Switch Function: Normally Open Instantaneous Type
RoHS: Compliant with standard (lead-free) electrical rating
AC: 4 amperes AC 115 volts
DC: 4 amperes DC 28 volts Mechanical Characteristics
Working Force: 198.4 grams (1.945 newtons)
Release Force: 28 grams (0.275 newtons)
Pre-Travel: 0.8 millimeters (0.030 inches)
Differential Travel: 0.15 millimeters (0.006 inches)
Overtravel: 0.076 millimeters (0.003 inches)
Environmental and Physical Characteristics
Temperature Range: -65°C to +260°C (-85°F to 500°F); can be as low as -184°C (without lead bending)
Shell: Stainless steel, sealed type (dustproof, waterproof, corrosion-resistant gas)
Installation Method: Base mounting
Weight: Approximately 0.1 kilogram

Main Features
Sealing Method: Glass and metal combination + metal and metal combination, suitable for harsh environments.
Extremely Wide Temperature Tolerance: Ultra-wide temperature range, suitable for aerospace, aerospace, cryogenic/high-temperature equipment.
Reliable Contacts: Silver contacts suitable for high-power loads, gold contacts available (for low-energy signals).
Long Leads: 72-inch long wire, convenient for remote installation and wiring.
Compact and Strong: Stainless steel shell, resistant to vibration, shock and corrosion. Application program
Aerospace and Defense: Military aircraft, missiles, satellite control and positioning.
Industrial Automation: Extreme working condition positioning, position detection, safety interlock.
Energy and Power: Gas turbines, nuclear power, position feedback for high-temperature furnace doors/valves.
Transportation: Rail transportation, heavy vehicles, ship control






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