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Large Basic Switches

BM Series

22 A (UL, CSA, CE, ENEC). SPDT. Variety of actuators & terminations. 25,4 mm centers side mount or panel mount

Distributor Inventory

Accurate, reliable, and repeatable, MICRO SWITCH BZ/BA/BM/BE/6AS/WZ/YZ/WA/YA Series features precise operating characteristics and enhanced life. These premium, large snap-action switches offer precision operation and sensitive differential travel.

Utilizing state-of-the-art manufacturing processes and quality controls, Honeywell has engineered premium, large snap-action switches that meet various international agency requirements. Some models have military qualifications. These Series are often used for precision on/off applications, as well as end of limit, presence/absence, and manual operator interface functions.

Their engineered design is suitable for various application needs. Configured options provide a wide variety of operating and interface characteristics. The MICRO SWITCH 6AS Series consists of two large premium BZ/BA/BM/BE snap-action switches ganged together and actuated by a single actuator. Field adjustable operating point is an option for one or both switches.

Others

  • Release Force
    • 2,78 N [10.0 oz] min.
    • 1,11 N [4.0 oz] min.
    • 0,42 N [1.5 oz] min.
    • 0,21 N [0.75 oz] min.
    • 2,50 N [9 oz] min.
    • 0,28 N to 1,39 N [1.0 oz to 5.0 oz] min.
    • 0,07 N [0.25 oz] min.
    • 0,035 N [0.123 oz] min.
  • Housing Material
    • General Purpose Phenolic
  • Contact Type
    • Silver
    • Silver Cadmium Oxide
    • Gold
  • Circuitry
    • SPDT
  • Overtravel (OT)
    • 3,56 mm [0.140 in] min.
    • 1,52 mm [0.060 in] min.
    • 2,39 mm [0.094 in] min.
    • 0,25 mm [0.010 in] min.
    • 0,13 mm [0.005 in] min.
    • 5,56 mm [0.219 in] min.
    • 0,55 mm [0.022 in] min.
    • 3,96 mm [0.156 in] min.
  • Mounting Centers
    • 25,4 mm [1 in]
  • Package Height
    • 24,1 mm [0.95 in]
  • Voltage
    • 277 Vac
    • 250 Vac
  • Differential Travel (DT)
    • 0,013 mm [0.0005 in] max.
    • 0,008 mm [0.0003 in] max.
  • Agency Approvals and Standards
    • UL, CE, CSA, ENEC
  • Actuator
    • Medium Overtravel Plunger
    • Overtravel Plunger
    • Pin Plunger
    • High Overtravel Plunger
    • Roller Lever
    • Straight Lever
  • Operating Temperature
    • -55 °C to 85 °C [-67 °F to 185 °F]
    • -55 °C to 121 °C [-67 °F to 250 °F]
  • Sealed
    • No
    • Environmentally
  • Pretravel (PT)
    • 0,38 mm [0.015 in] max.
    • 0,76 mm [0.030 in] max.
    • 0,30 mm [0.012 in] max.
  • Switch Type
    • MICRO SWITCH Standard 25,4 mm H x 17,8 mm W x 50,8 mm L [1.0 in H x 0.7 in W x 2.0 in L]
  • Mounting Screw Size
    • 3,53 mm [0.139 in]
  • Termination
    • Solder
    • Screw
  • Operating Force (OF)
    • 4,73 N [17 oz] max.
    • 0,99 N [3.5 oz] max.
    • 3,06 N to 6,12 N [11.0 oz to 22.0 oz] max.
    • 1,95 N to 2,78 N [7.0 oz to 10.0 oz] max.
    • 3,89 N to 6,12 N [14.0 oz to 22.0 oz] max.
    • 0,56 N [2.0 oz] max.
    • 1,6 N [5.75 oz] max.
    • 0,28 N [1.0 oz] max.
  • Material
    • Plastic
  • Package Length
    • 49,3 mm [1.94 in]
  • Ampere Rating
    • 22 A
  • Weight
    • 28,6 g [0.063 lb]
    • 33,1 g [0.073 lb]
    • 39 g [0.086 lb]
    • 34,5 g [0.076 lb]
  • Tightening Torque
    • 0,33 N m [3.0 in lb]
  • Operating Position (OP)
    • 30,17 mm ±0,38 mm [1.188 in ±0.015 in]
    • 21,82 mm ±0,76 mm [0.859 in ±0.030 in]
    • 33,32 mm ±1,14 mm [1.312 in ±0.045 in]
    • 21,21 mm ±0,51 mm [0.835 in ±0.020 in]
    • 49.61 mm ±1,14 mm [1.953 in ±0.045 in]
    • 15,88 mm ±0,38 mm [0.625 in ±0.015 in]
    • 28,20 mm [0.787 in] ±0,51 mm [1.11 in ±0.020 in]
    • 19,1 mm ±0,76 mm [0.75 in ± 0.03 in]
  • Series Name
    • BZ/BA/WA/YZ
  • Package Width
    • 17,5 mm [0.69 in]

Others

  • Release Force
    • 2,78 N [10.0 oz] min.
    • 1,11 N [4.0 oz] min.
    • 0,42 N [1.5 oz] min.
    • 0,21 N [0.75 oz] min.
    • 2,50 N [9 oz] min.
    • 0,28 N to 1,39 N [1.0 oz to 5.0 oz] min.
    • 0,07 N [0.25 oz] min.
    • 0,035 N [0.123 oz] min.
  • Housing Material
    • General Purpose Phenolic
  • Contact Type
    • Silver
    • Silver Cadmium Oxide
    • Gold
  • Circuitry
    • SPDT
  • Overtravel (OT)
    • 3,56 mm [0.140 in] min.
    • 1,52 mm [0.060 in] min.
    • 2,39 mm [0.094 in] min.
    • 0,25 mm [0.010 in] min.
    • 0,13 mm [0.005 in] min.
    • 5,56 mm [0.219 in] min.
    • 0,55 mm [0.022 in] min.
    • 3,96 mm [0.156 in] min.
  • Mounting Centers
    • 25,4 mm [1 in]
  • Package Height
    • 24,1 mm [0.95 in]
  • Voltage
    • 277 Vac
    • 250 Vac
  • Differential Travel (DT)
    • 0,013 mm [0.0005 in] max.
    • 0,008 mm [0.0003 in] max.
  • Agency Approvals and Standards
    • UL, CE, CSA, ENEC
  • Actuator
    • Medium Overtravel Plunger
    • Overtravel Plunger
    • Pin Plunger
    • High Overtravel Plunger
    • Roller Lever
    • Straight Lever
  • Operating Temperature
    • -55 °C to 85 °C [-67 °F to 185 °F]
    • -55 °C to 121 °C [-67 °F to 250 °F]
  • Sealed
    • No
    • Environmentally
  • Pretravel (PT)
    • 0,38 mm [0.015 in] max.
    • 0,76 mm [0.030 in] max.
    • 0,30 mm [0.012 in] max.
  • Switch Type
    • MICRO SWITCH Standard 25,4 mm H x 17,8 mm W x 50,8 mm L [1.0 in H x 0.7 in W x 2.0 in L]
  • Mounting Screw Size
    • 3,53 mm [0.139 in]
  • Termination
    • Solder
    • Screw
  • Operating Force (OF)
    • 4,73 N [17 oz] max.
    • 0,99 N [3.5 oz] max.
    • 3,06 N to 6,12 N [11.0 oz to 22.0 oz] max.
    • 1,95 N to 2,78 N [7.0 oz to 10.0 oz] max.
    • 3,89 N to 6,12 N [14.0 oz to 22.0 oz] max.
    • 0,56 N [2.0 oz] max.
    • 1,6 N [5.75 oz] max.
    • 0,28 N [1.0 oz] max.
  • Material
    • Plastic
  • Package Length
    • 49,3 mm [1.94 in]
  • Ampere Rating
    • 22 A
  • Weight
    • 28,6 g [0.063 lb]
    • 33,1 g [0.073 lb]
    • 39 g [0.086 lb]
    • 34,5 g [0.076 lb]
  • Tightening Torque
    • 0,33 N m [3.0 in lb]
  • Operating Position (OP)
    • 30,17 mm ±0,38 mm [1.188 in ±0.015 in]
    • 21,82 mm ±0,76 mm [0.859 in ±0.030 in]
    • 33,32 mm ±1,14 mm [1.312 in ±0.045 in]
    • 21,21 mm ±0,51 mm [0.835 in ±0.020 in]
    • 49.61 mm ±1,14 mm [1.953 in ±0.045 in]
    • 15,88 mm ±0,38 mm [0.625 in ±0.015 in]
    • 28,20 mm [0.787 in] ±0,51 mm [1.11 in ±0.020 in]
    • 19,1 mm ±0,76 mm [0.75 in ± 0.03 in]
  • Series Name
    • BZ/BA/WA/YZ
  • Package Width
    • 17,5 mm [0.69 in]
  • Release Force : 2,78 N [10.0 oz] min.|1,11 N [4.0 oz] min.|0,42 N [1.5 oz] min.|0,21 N [0.75 oz] min.|2,50 N [9 oz] min.|0,28 N to 1,39 N [1.0 oz to 5.0 oz] min.|0,07 N [0.25 oz] min.|0,035 N [0.123 oz] min.
  • Housing Material : General Purpose Phenolic
  • Contact Type : Silver|Silver Cadmium Oxide|Gold
  • Circuitry : SPDT
  • Overtravel (OT) : 3,56 mm [0.140 in] min.|1,52 mm [0.060 in] min.|2,39 mm [0.094 in] min.|0,25 mm [0.010 in] min.|0,13 mm [0.005 in] min.|5,56 mm [0.219 in] min.|0,55 mm [0.022 in] min.|3,96 mm [0.156 in] min.
  • Mounting Centers : 25,4 mm [1 in]
  • Package Height : 24,1 mm [0.95 in]
  • Voltage : 277 Vac|250 Vac
  • Differential Travel (DT) : 0,013 mm [0.0005 in] max.|0,008 mm [0.0003 in] max.
  • Agency Approvals and Standards : UL, CE, CSA, ENEC
  • Actuator : Medium Overtravel Plunger|Overtravel Plunger|Pin Plunger|High Overtravel Plunger|Roller Lever|Straight Lever
  • Operating Temperature : -55 °C to 85 °C [-67 °F to 185 °F]|-55 °C to 121 °C [-67 °F to 250 °F]
  • Sealed : No|Environmentally
  • Pretravel (PT) : 0,38 mm [0.015 in] max.|0,76 mm [0.030 in] max.|0,30 mm [0.012 in] max.
  • Switch Type : MICRO SWITCH Standard 25,4 mm H x 17,8 mm W x 50,8 mm L [1.0 in H x 0.7 in W x 2.0 in L]
  • Mounting Screw Size : 3,53 mm [0.139 in]
  • Termination : Solder|Screw
  • Operating Force (OF) : 4,73 N [17 oz] max.|0,99 N [3.5 oz] max.|3,06 N to 6,12 N [11.0 oz to 22.0 oz] max.|1,95 N to 2,78 N [7.0 oz to 10.0 oz] max.|3,89 N to 6,12 N [14.0 oz to 22.0 oz] max.|0,56 N [2.0 oz] max.|1,6 N [5.75 oz] max.|0,28 N [1.0 oz] max.
  • Material : Plastic
  • Package Length : 49,3 mm [1.94 in]
  • Ampere Rating : 22 A
  • Weight : 28,6 g [0.063 lb]|33,1 g [0.073 lb]|39 g [0.086 lb]|34,5 g [0.076 lb]
  • Tightening Torque : 0,33 N m [3.0 in lb]
  • Operating Position (OP) : 30,17 mm ±0,38 mm [1.188 in ±0.015 in]|21,82 mm ±0,76 mm [0.859 in ±0.030 in]|33,32 mm ±1,14 mm [1.312 in ±0.045 in]|21,21 mm ±0,51 mm [0.835 in ±0.020 in]|49.61 mm ±1,14 mm [1.953 in ±0.045 in]|15,88 mm ±0,38 mm [0.625 in ±0.015 in]|28,20 mm [0.787 in] ±0,51 mm [1.11 in ±0.020 in]|19,1 mm ±0,76 mm [0.75 in ± 0.03 in]
  • Series Name : BZ/BA/WA/YZ
  • Package Width : 17,5 mm [0.69 in]
Data Sheet
Name
Description
File Size
Date
Size
MICRO SWITCH BZ/BA/BM/BE & 6AS Series Premium Large Snap-Action Switches
2.09 MB
1/14/2021
PDF 2.09 MB
Manuals and Guides
Name
Description
File Size
Date
Size
Basic, Toggles, and Rocker Switches Range Guide
14.08 MB
3/1/2021
PDF 14.08 MB
Brochure
Name
Description
File Size
Date
Size
Safety and Productivity Solutions in Hospital Applications
11.57 MB
12/3/2020
PDF 11.57 MB
Partners Providing Technical Safety and Productivity Solutions
10.07 MB
12/16/2020
PDF 10.07 MB
Oil and Gas Brochure
3.4 MB
12/3/2020
PDF 3.4 MB
Application Note
Name
Description
File Size
Date
Size
Switches for Automated Parking Gates/Barriers
791.09 KB
9/10/2020
PDF 791.09 KB
Sensors and Switches in Valves and Flowmeters
1.79 MB
12/16/2020
PDF 1.79 MB
Name
Description
File Size
Date
Size
Switches for Automated Parking Gates/Barriers
791.09 KB
9/10/2020
PDF 791.09 KB
Safety and Productivity Solutions in Hospital Applications
11.57 MB
12/3/2020
PDF 11.57 MB
MICRO SWITCH BZ/BA/BM/BE & 6AS Series Premium Large Snap-Action Switches
2.09 MB
1/14/2021
PDF 2.09 MB
Basic, Toggles, and Rocker Switches Range Guide
14.08 MB
3/1/2021
PDF 14.08 MB
Sensors and Switches in Valves and Flowmeters
1.79 MB
12/16/2020
PDF 1.79 MB
Partners Providing Technical Safety and Productivity Solutions
10.07 MB
12/16/2020
PDF 10.07 MB
Oil and Gas Brochure
3.4 MB
12/3/2020
PDF 3.4 MB