basic switches
SM Series
Up to 5 A ac & dc (UL, CSA, CE, ENEC). Variety of actuators, terminations & contacts. 9,5 mm centers side mount. MIL-PRF-8805 listings.
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Overview
The MICRO SWITCH SM Series’ small size and light weight are combined with ample electrical capacity, precision operation, and extended life. Featuring high precision and repeatability, the SM Series offers gold contacts for low-energy switching and gold bifurcated contacts for maximum reliability. Bifurcated contacts provide parallel redundancy within the SM switch. The SM switch is available for power-duty switching up to 11 A (Vac) or 1/4 HP (Vac).
Specifications
Technical Specifications
- Actuator
- Paddle Lever
- Pin Plunger
- Roller Lever
- Simulated Roller Lever
- Straight Lever
- Termination
- PCB
- Quick Connect
- Solder
- Switch Type
- Subminiature Basic
- Pretravel (PT)
- 0.76 mm
- Overtravel (OT)
- 0.13 mm
- MIL Spec Number
- MIL-PRF-8805
- Free Position (FP)
- 8.38 mm
- Differential Travel (DT)
- 0.1016 mm
- Circuitry
- SPDT
- Ampere Rating
- 11 A
- Actuator Type - Snap Action Switch
- Snap-Action
Features
- Tightening Torque
- 0.06 N
- Series Name
- SM
- Sealed
- Other SM Series not Weather Sealed
- Sealed Plunger on 411SM Series
- Release Force
- 1 oz
- Features
- Choice of Silver or Gold-Plated or Gold Bifurcated Contacts to Handle a Variety of Electrical Load Requirements
- Electrical Termination and Operating Characteristics Along with High-Temperature Construction Options
- FAA-PMA Approvals for Commercial Aircraft
- Industry-Leading Mechanical Life of Up to 10,000,000 Operations
- MIL-PRF-8805 Qualified Listings in a Lightweight and Small Package
- Selection of Actuation
- Wide Temperature Range of -54°C to 204°C [-65°F to 400°F]
Applications & Compatibility
- Recommended For
- Power-Duty Switching
- Application
- Assemblies for Industrial Pressure Switches and Temperature Switches
- Landing Gear Monitor
- Power Generation Fuel Level (Gas and Oil)
- Precision Switch Assemblies for Commercial Aircraft to Monitor Doors for “Closed” and “Locked” Position
- Precision Switch Assemblies for Commercial Cockpit Applications for Push Buttons
- Precision Switch Assemblies in Military Applications
- Toggle or Joystick Assemblies
Overview
- Product Type
- Subminiature Basic Switches
Operating Characteristics
- Operating Position (OP)
- 8.38 mm
- Operating Force (OF)
- 0.04 to 2 oz
- High Temperature
- 121°C
Dimensions & Weight
- Mounting Screw Size
- 2.21 mm
- Dimensions
- W: 6.35 mm H: 12.7 mm L: 20.3 mm
Material Specifications
- Housing Material
- Phenolic
- Expected Mechanical Life
- Upto 1,000,000 Operations for Gold Bifurcated Contact
- Upto 10,000,000 Operations for 11SM Listings
- Upto 80,000 Operations for 1SM/41SM Listings
- Contact Material
- Bifurcated Gold
- Gold Plated
- Silver
Electrical Specifications
- Electrical Rating
- 11 A and 1/4 hp
- 125 or 250 VAC
Standards & Certifications
- Approvals
- CE
- ENEC
- UL/CSA
- cUL
- Agency Approvals and Standards
- CE
- CSA
- ENEC
- FAA-PMA
- MIL-PRF-8805
- UL
Others
- Industry
- Aerospace
Technical Specifications
- Actuator
- Paddle Lever
- Pin Plunger
- Roller Lever
- Simulated Roller Lever
- Straight Lever
- Termination
- PCB
- Quick Connect
- Solder
- Switch Type
- Subminiature Basic
- Pretravel (PT)
- 0.76 mm
- Overtravel (OT)
- 0.13 mm
- MIL Spec Number
- MIL-PRF-8805
- Free Position (FP)
- 8.38 mm
- Differential Travel (DT)
- 0.1016 mm
- Circuitry
- SPDT
- Ampere Rating
- 11 A
- Actuator Type - Snap Action Switch
- Snap-Action
Features
- Tightening Torque
- 0.06 N
- Series Name
- SM
- Sealed
- Other SM Series not Weather Sealed
- Sealed Plunger on 411SM Series
- Release Force
- 1 oz
- Features
- Choice of Silver or Gold-Plated or Gold Bifurcated Contacts to Handle a Variety of Electrical Load Requirements
- Electrical Termination and Operating Characteristics Along with High-Temperature Construction Options
- FAA-PMA Approvals for Commercial Aircraft
- Industry-Leading Mechanical Life of Up to 10,000,000 Operations
- MIL-PRF-8805 Qualified Listings in a Lightweight and Small Package
- Selection of Actuation
- Wide Temperature Range of -54°C to 204°C [-65°F to 400°F]
Applications & Compatibility
- Recommended For
- Power-Duty Switching
- Application
- Assemblies for Industrial Pressure Switches and Temperature Switches
- Landing Gear Monitor
- Power Generation Fuel Level (Gas and Oil)
- Precision Switch Assemblies for Commercial Aircraft to Monitor Doors for “Closed” and “Locked” Position
- Precision Switch Assemblies for Commercial Cockpit Applications for Push Buttons
- Precision Switch Assemblies in Military Applications
- Toggle or Joystick Assemblies
Overview
- Product Type
- Subminiature Basic Switches
Operating Characteristics
- Operating Position (OP)
- 8.38 mm
- Operating Force (OF)
- 0.04 to 2 oz
- High Temperature
- 121°C
Dimensions & Weight
- Mounting Screw Size
- 2.21 mm
- Dimensions
- W: 6.35 mm H: 12.7 mm L: 20.3 mm
Material Specifications
- Housing Material
- Phenolic
- Expected Mechanical Life
- Upto 1,000,000 Operations for Gold Bifurcated Contact
- Upto 10,000,000 Operations for 11SM Listings
- Upto 80,000 Operations for 1SM/41SM Listings
- Contact Material
- Bifurcated Gold
- Gold Plated
- Silver
Electrical Specifications
- Electrical Rating
- 11 A and 1/4 hp
- 125 or 250 VAC
Standards & Certifications
- Approvals
- CE
- ENEC
- UL/CSA
- cUL
- Agency Approvals and Standards
- CE
- CSA
- ENEC
- FAA-PMA
- MIL-PRF-8805
- UL
Others
- Industry
- Aerospace
- Actuator : Paddle Lever|Pin Plunger|Roller Lever|Simulated Roller Lever|Straight Lever
- Tightening Torque : 0.06 N
- Termination : PCB|Quick Connect|Solder
- Switch Type : Subminiature Basic
- Series Name : SM
- Sealed : Other SM Series not Weather Sealed|Sealed Plunger on 411SM Series
- Release Force : 1 oz
- Recommended For : Power-Duty Switching
- Product Type : Subminiature Basic Switches
- Pretravel (PT) : 0.76 mm
- Overtravel (OT) : 0.13 mm
- Operating Position (OP) : 8.38 mm
- Operating Force (OF) : 0.04 to 2 oz
- Mounting Screw Size : 2.21 mm
- MIL Spec Number : MIL-PRF-8805
- Industry : Aerospace
- Housing Material : Phenolic
- High Temperature : 121°C
- Free Position (FP) : 8.38 mm
- Features : Choice of Silver or Gold-Plated or Gold Bifurcated Contacts to Handle a Variety of Electrical Load Requirements|Electrical Termination and Operating Characteristics Along with High-Temperature Construction Options|FAA-PMA Approvals for Commercial Aircraft|Industry-Leading Mechanical Life of Up to 10,000,000 Operations|MIL-PRF-8805 Qualified Listings in a Lightweight and Small Package|Selection of Actuation|Wide Temperature Range of -54°C to 204°C [-65°F to 400°F]
- Expected Mechanical Life : Upto 1,000,000 Operations for Gold Bifurcated Contact|Upto 10,000,000 Operations for 11SM Listings|Upto 80,000 Operations for 1SM/41SM Listings
- Electrical Rating : 11 A and 1/4 hp|125 or 250 VAC
- Dimensions : W: 6.35 mm H: 12.7 mm L: 20.3 mm
- Differential Travel (DT) : 0.1016 mm
- Contact Material : Bifurcated Gold|Gold Plated|Silver
- Circuitry : SPDT
- Approvals : CE|ENEC|UL/CSA|cUL
- Application : Assemblies for Industrial Pressure Switches and Temperature Switches|Landing Gear Monitor|Power Generation Fuel Level (Gas and Oil)|Precision Switch Assemblies for Commercial Aircraft to Monitor Doors for “Closed” and “Locked” Position|Precision Switch Assemblies for Commercial Cockpit Applications for Push Buttons|Precision Switch Assemblies in Military Applications|Toggle or Joystick Assemblies
- Ampere Rating : 11 A
- Agency Approvals and Standards : CE|CSA|ENEC|FAA-PMA|MIL-PRF-8805|UL
- Actuator Type - Snap Action Switch : Snap-Action
Data Sheet
Name
Description
File Size
Date
Size
MICRO SWITCH SM Series Premium Subminiature Basic Switch
application/pdf 979.32 KB
8/13/2025
979.32 KB
Manuals and Guides
Name
Description
File Size
Date
Size
Basic, Toggle, and Rocker Switches Range Guide -
application/pdf 6.48 MB
8/14/2025
6.48 MB
Brochure
Name
Description
File Size
Date
Size
Where Legacy Meets Innovation
application/pdf 5.17 MB
8/14/2025
5.17 MB
MICRO SWITCH Basic Switch Subminiature Comparison
application/pdf 598.06 KB
8/12/2025
598.06 KB
Switches and Sensors Solutions for Industrial Applications Brochure
application/pdf 2.49 MB
12/15/2025
2.49 MB
Micro Switch - Basic Switch Mil-Approvals Comparison
application/pdf 557.17 KB
8/12/2025
557.17 KB
Sensing Solutions For Industrial Applications Brochure
application/pdf 16.68 MB
1/22/2026
16.68 MB
Technical Note
Name
Description
File Size
Date
Size
Technical Bulletin #14 - Applying Precision Switches
application/pdf 613.41 KB
8/21/2025
613.41 KB
Application Note
Name
Description
File Size
Date
Size
Agricultural Vehicles Application Note
application/pdf 1.11 MB
8/20/2025
1.11 MB
eBook
Name
Description
File Size
Date
Size
eBook About Redefining Road Rail & Rugged Applications
application/pdf 28.69 MB
8/21/2025
28.69 MB
Product Photo
Name
Description
File Size
Date
Size
Name
Description
File Size
Date
Size
eBook About Redefining Road Rail & Rugged Applications
application/pdf 28.69 MB
8/21/2025
28.69 MB
Technical Bulletin #14 - Applying Precision Switches
application/pdf 613.41 KB
8/21/2025
613.41 KB
Where Legacy Meets Innovation
application/pdf 5.17 MB
8/14/2025
5.17 MB
MICRO SWITCH SM Series Premium Subminiature Basic Switch
application/pdf 979.32 KB
8/13/2025
979.32 KB
MICRO SWITCH Basic Switch Subminiature Comparison
application/pdf 598.06 KB
8/12/2025
598.06 KB
Agricultural Vehicles Application Note
application/pdf 1.11 MB
8/20/2025
1.11 MB
Switches and Sensors Solutions for Industrial Applications Brochure
application/pdf 2.49 MB
12/15/2025
2.49 MB
Basic, Toggle, and Rocker Switches Range Guide -
application/pdf 6.48 MB
8/14/2025
6.48 MB
Micro Switch - Basic Switch Mil-Approvals Comparison
application/pdf 557.17 KB
8/12/2025
557.17 KB
Sensing Solutions For Industrial Applications Brochure
application/pdf 16.68 MB
1/22/2026
16.68 MB
Name
Description
File Size
Date
Size
MICRO SWITCH SM Series Premium Subminiature Basic Switch
979.32 KB
8/13/2025
Basic, Toggle, and Rocker Switches Range Guide -
6.48 MB
8/14/2025
MICRO SWITCH Basic Switch Subminiature Comparison
598.06 KB
8/12/2025
Switches and Sensors Solutions for Industrial Applications Brochure
2.49 MB
12/15/2025
Micro Switch - Basic Switch Mil-Approvals Comparison
557.17 KB
8/12/2025
Sensing Solutions For Industrial Applications Brochure
16.68 MB
1/22/2026
Technical Bulletin #14 - Applying Precision Switches
613.41 KB
8/21/2025
eBook About Redefining Road Rail & Rugged Applications
28.69 MB
8/21/2025
Product Number
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100002408
SCREW,4,PHIL,PAN,CS,ZINC,516L
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
100002408
SCREW,4,PHIL,PAN,CS,ZINC,516L
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1
MICRO SWITCH SM Series Subminiature Basic Switch, Single Pole Double Throw (SPDT), 250 Vac, 5 A, Straight Lever Actuator, Solder Termination
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1
MICRO SWITCH SM Series Subminiature Basic Switch, Single Pole Double Throw (SPDT), 250 Vac, 5 A, Straight Lever Actuator, Solder Termination
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-H2
SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-H2
SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-H58
MICRO SWITCH SM Series Subminiature Basic Switch, Single Pole Double Throw (SPDT), 250 Vac, 5 A, Straight Lever Actuator, Quick Connect Termination
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-H58
MICRO SWITCH SM Series Subminiature Basic Switch, Single Pole Double Throw (SPDT), 250 Vac, 5 A, Straight Lever Actuator, Quick Connect Termination
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-T
MICRO SWITCH SM Series Subminiature Basic Switch, Single Pole Double Throw (SPDT), 250 Vac, 5 A, Straight Lever Actuator, Solder Termination
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-T
MICRO SWITCH SM Series Subminiature Basic Switch, Single Pole Double Throw (SPDT), 250 Vac, 5 A, Straight Lever Actuator, Solder Termination
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-T2
SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-T2
SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-T2=KEI
111SM1-T2 SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1-T2=KEI
111SM1-T2 SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1053-H58
SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM1053-H58
SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM115-H2=NAS
111SM115-H2 SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM115-H2=NAS
111SM115-H2 SUBMINIATURE BASIC SWITCH
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM115-H58
MICRO SWITCH SM Series Subminiature Basic Switch, Single Pole Double Throw (SPDT), 250 Vac, 5 A, Straight Lever Actuator, Quick Connect Termination
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
111SM115-H58
MICRO SWITCH SM Series Subminiature Basic Switch, Single Pole Double Throw (SPDT), 250 Vac, 5 A, Straight Lever Actuator, Quick Connect Termination
https://s7d1.scene7.com/is/image/Honeywell65/sps-siot-11sm244-t-highres-ciid-161198
