Best Magnetic Circuit

HiLetgo 5pcs Hall Effect Magnetic Sensor Module 3144E A3144 Hall Effect Sensor DC 5V for Arduino PIC AVR Smart Cars

Hall Switch Integrated Circuit Using hall Effect Principle.
Uses The Semiconductor Integrated Technology Manufacturing Magnetic Susceptibility of the Circuit.
Its Input For the Magnetic Induction Intensity, the Output is a Digital Voltage Signal.

[Dimension] - Cable Length:460 mm；Sensing Distance: 50-70 mm.
Total Size: 105 x 50 x 10mm, 105 x 20 x 16mm (L*W*H).
[Normally Open] - NO means Normally Open: when the magnet separates, the circuit is conductive( light on ).
When the magnet together, the circuit is not conductive ( light off )..
[Material] - The magnetic switch alarm is with durable zinc alloy housing for better rust resistance.
[Widely Used] - This magnetic reed switch works with any access control or burglar alarm system available.

Try to install an air curtain for a swinging door? The door swings in and out a few times then settle to stop. You must get this circuit kit to avoid....
With 2-3 seconds shutoff delay, the air curtain won't shut off immediately when the door isn't fully settled to stop and close in order to protect the....
Also, with 2-3 seconds shutoff delay, the air curtain won't shut off immediately to prevent the dust from getting in if the door isn't fully close..
Convert your air curtain or appliance to be magnetic switch controlled. 120VAC 15A max or 1800W max, single phase only. Not for all models of air....
Note: USA Patented. This kit is NOT compatible with remote or circuit controlled air curtains. 3 pieces included: circuit board, magnetic switch and....

FUNCTIONS: Used to protect 12V 24V 36V 48V 60V 100V DC circuit from overload and short circuit damage, and can also be used for control and isolation..
ARC EXTINGUISHING: This DC mini circuit breaker has a magnetic system to assist arc extinguishing..
CURVE B: Magnetic trip range 4-7 times rated current..
APPLICATION: Used in battery power systems, solar photovoltaic systems, RV, electric moped, or other DC systems..
INSTALLATION: Screw clamps wire or M5 wire lug (size fits), 35 mm DIN rail mount or surface mount..

FUNCTIONS: Used to protect 12V 24V 36V 48V 60V 100V DC circuit from overload and short circuit damage, and can also be used for control and isolation..
ARC EXTINGUISHING: This DC mini circuit breaker has a magnetic system to assist arc extinguishing..
CURVE B: Magnetic trip range 4-7 times rated current..
APPLICATION: Used in battery power systems, solar photovoltaic systems, RV, electric moped, or other DC systems..
INSTALLATION: Screw clamps wire or M5 wire lug (size fits), 35 mm DIN rail mount or surface mount..

FUNCTIONS: Used to protect 12V 24V 36V 48V 60V 100V DC circuit from overload and short circuit damage, and can also be used for control and isolation..
ARC EXTINGUISHING: This DC mini circuit breaker has a magnetic system to assist arc extinguishing..
CURVE B: Magnetic trip range 4-7 times rated current..
APPLICATION: Used in battery power systems, solar photovoltaic systems, RV, electric moped, or other DC systems..
INSTALLATION: Screw clamps wire or M5 wire lug (size fits), 35 mm DIN rail mount or surface mount..

[Dimension] - Cable Length:460 mm；Sensing Distance: 50-70 mm.
Total Size: 105 x 47 x 9.5mm, 85 x 17 x 17mm (L*W*H).
[Normally Open] - NO means Normally Open: when the magnet separates, the circuit is conductive( light on ).
When the magnet together, the circuit is not conductive ( light off )..
[Material] - The magnetic switch alarm is with durable zinc alloy housing for better rust resistance.
[Widely Used] - This magnetic reed switch works with any access control or burglar alarm system available.

Upgrade Product: Circuit Board Holder has four pillars, each pillar is magnetic, adjustable magnetic helping hands can be positioned anywhere on the heavy steel base, which can stuck any shape of the board..
Magnetic Flexible Arms: 4 adjustable metal gooseneck arms with strong magnetic base,which have a powerful attraction to the steel base. We included two 9″ arms, two 4.5″ arms helping hand arms, Completely free your hands up and work easier than ever before..
Stainless Steel Base: 9 x 6 inch powder coated steel base with non-slip rubber pads, keep the soldering helping hands from sliding around on your bench..
Maximum Adjustable Helping Hands: circuit board holder with stainless steel alligator clips can be rotated 360 degrees then “locked” into place with knurled thumb nuts and adjust to any position with the ability to securely clamp objects large and small..
Widely Used & Service: Helping hands soldering for any electronic, soldering, crafting, painting, figurine and hobby work, or any precision project that requires extreme accuracy. 1 X Steel Base, 4 pcs Pillars, 4 X Universal Joint Pipe. US based customer support, 30 days full satisfaction no question asked return period..

[Dimension] - Cable Length:300 mm；Sensing Distance: 25-35 mm.
Total Size: 49 x 19 x 9.8mm / 1.93" x 0.75" x 0.39" (L*W*H).
[Normally Closed] - N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ).
when the magnet separates, the circuit is not conductive ( light off )..
[Material] - The magnetic reed switch alarm is with durable zinc alloy housing for better rust resistance.
[Widely Used] - Magnetic Reed Switch Alarm works with any access control or burglar alarm system available.