Best Magnetic Relay

2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12V Light (Black)

➤【Reed Switch】:Great for alarm,LED,Relay,GPS low voltage devices...etc.,Great for pick-ups with sliding rear window.Effective for Theft Deterrence..
Contact Capacity: 500(mA) (Maximum Switch Current).
Contact Type: NC/NO/COM,Trigger Range: 10-20mm.
This switch cannot exceed the DC12v power supply.
➤【Product Name】: Magnetic Door Swith.
➤【Safety Protection】: Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors,Surface-mounted magnetic contact, ideal wooden door or window use..
➤【Package Content】: 2 Sets x Magnetic Door Swith.
Size: 55*12.5*11.5mm / 2.17" x 0.45" x 0.45"(L*W*H) a package of screws for mounting on wood only..

Kit includes Relay Buddy tester, 5 new relay adapters and blow mold case.
Relay Buddy is a quick go/no go tester for the most common automotive relays.
With the included adapters, Relay Buddy now tests 5 different relay types and also tests shielded relays.
Relay Buddy will fail the relay and light the red LED if any of the test cycle proves unsuccessful during the test session.
Settable to 4 and 5-pin relay and uses vehicle's 12 volts battery for power.

1.Magnetic reed switch, NC door contact sensor alarm magnetic reed switch..
length: 2.17''(55mm),width: .51''(13mm),height: .47''(12mm)..
4.Contains: 3 sets, 3 main parts and 3 accessories, and with screws..
5.Use: widely used in alarm,LED,Relay,GPS low voltage devices, for wood door and window etc..

Able to test an entire circuit - from battery to component, including the relay With this item the technician can jump a relay.
do an AC charge from the relay by activating the compressor.
do compression testing by activating the starter relay and even check turn signals or lights from the front of the car.
Allows the technician to diagnose the problem without the use of a multimeter.
The lighted display shows the technician the problem immediately.
With this item the technician can jump a relay.
Includes: (1) Tester, (6) popular Relay Leads, and (1) Universal Relay Lead.

Output: fan relay, alarm relay and 4-20ma current loop.
Controls: buzzer, Digital display, latching relay, relay Delay, relay minimum runtime.
Mounts on a standard 4” x 4” electrical box.
5 a spdt fan relay controls starters of exhaust fans.

NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 2-channel relay..
Onboard high performance microcontroller chip, CH340 USB control chip.With power LED indicator and relay status LED.On-board 2-channel 5V, 10A/250VAC, 10A/30VDC relay, long relay life, can work 100,000 times continuously..
Module with overcurrent protection and relay diode freewheel protection..
NOYITO 8-Channel Micro USB Relay Module ASIN：B09RGTSHHW.
NOYITO 4-Channel Micro USB Relay Module ASIN：B09RGVQXXT.

Contact Capacity: 500(mA) (Maximum Switch Current).
Contact Type: NC/NO/COM,Trigger Range: 5-20mm.
➤➤Great for alarm,LED,Relay,GPS low voltage devices...etc.,Great for pick-ups with sliding rear window.Effective for Theft Deterrence..
➤➤Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors,Surface-mounted magnetic contact, ideal wooden door or window use..
➤➤Package Content: 2 Sets x Magnetic Door Swith.
Size: 55*12.5*11.5mm / 2.17" x 0.45" x 0.45"(L*W*H) a package of screws for mounting on wood only..
➤➤【After-Sales Service】 If you do not satisfy with Magnetic Reed Switch or if you have any questions, please come to us anytime. We would solve all the problems to your satisfaction. We offer 12 hours quick response service. We promise to solve any problem for you..

Output: fan relay, alarm relay and 4-20ma current loop.
Controls: buzzer, Digital display, latching relay, relay Delay, relay minimum runtime.
Mounts on a standard 4” x 4” electrical box.
5 a spdt fan relay controls starters of exhaust fans.

Tests 5 different relays, both 12V and 24V and 3 diagnostic trouble codes help define the cause of the bad relay.
Kit Includes 5 Relay Adapters and blow mold case.
Fails bad relays - Good/Bad indication, green light for PASS, red light for FAIL with flashing trouble code.
Tests 5 different relays, both 12V and 24V.
3 diagnostic trouble codes help define the cause of the bad relay.
#193 Kit Includes 5 Relay Adapters and blow mold case.
Quick off-the-car relay tester - checks relay coil & switch contacts.