Reviews Normally Open Or Close

HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

This is a simple and practical passive relay module, which is very convenient to use. It can support both Normally Open and Normally Close..
Input control signal: AC/DC 5V, AC/DC 12V, AC/DC24V, AC/DC48V, AC 115V, AC 230V Selectable..
Output switch DPST 1NO 1NC(Double Pole Single Throw, 1x Normally Open and 1x Normally Close ), rated current 8A/250VAC or 8A/30VDC (one switch)..
Compact ABS plastic case and wires connect for easy mount. Two screw mounting holes are convenient for you to fix it on the wall or wooden board. Of course, you can also choose not to lock the screw..

2 Styles: we provide KW3A normally open switches and KW3A normally close switches, one switch is for the top sensor and the other style switch is for....
Product information: 16A 125/250VAC u, 10A 30VDC (current and voltage).
Wide range of usages: compatible with most of microwave ovens, if the microwave will not turn or heat properly, there could be an issue with the door....
Package includes: our package includes 8 pieces microwave door switches, 4 pieces normally open and 4 pieces normally close, enough quantity for you....
More details: mainly made of quality plastic material, durable and sturdy, will serve you for a long time.

INPUT CONTROL SIGNAL: Voltage AC or DC 24V, Current 17mA..
OUTPUT CURRENT: Output switch DPST 1NO 1NC(Double Pole Single Throw, 1 Normally Open and 1 Normally Close ), rated current 8A/250VAC or 8A/30VDC (one switch)..
SIMPLE & PRACTICAL: This passive power relay module is simple and practical, which is very convenient to use. It can support both Normally Open and Normally Close..
EASY MOUNT: The power relay is of compact plastic case and wires connects for easy mount. Two screw mounting holes are convenient for you to fix it on the wall or wooden board. Of course, you can also choose not to lock the screw..
LED INDICATION: This power relay has a led indicator for relay action indication. It is obvious to know the status of the switch at a glance..

WiFi Door Sensor Detects Door open/ close status and sends alerts by Email/ Text message..
Connects to your home or office wifi. No hub or gateway required..
Sensor switch is hardwired (not wireless) from door to the wifi base unit. 25 ft cable included..
Programmable to normally open / normally closed modes. Works with doors, windows, cabinets and more.

【Feature】- Thermal switch has the characteristic of general-purpose low cost, compact, large capacity, minute current thermostat..
【Normally Open】- The original state of temperature control switch contact is open, and close when the temperature sensing exceeds the rated temperature..
【Application】- Thermodisc temperature switch is applied to circuit board of temperature control or thermal overload protection use..
【Package Contents】- 5 pcs x Thermostat..

... numbers and letter on the metal cap for the size recognition. No fluid is allowed to submerge inside the thermal control switch and cracks on the cap is unusable..
[APPLICATION] For Household electric appliances, PC, Microwave ovens, Irons, Refrigerators, Electronic oven, heating unit, coffeepot, water heater, etc. Normally closed thermal switch means that the contacts of thermal switch normally remain closed. When temperature increases to the set value, the contacts would open and cut the circuit OFF.Normally open thermal switch means that the contacts of thermal switch normally remain open. When temperature rises, the contacts would close and connect t.
[NICELY-PACKED PACKAGE] 20pcs would be put in a hard plastic storage box seperately, all total 2boxes and they would be put in a zip lock bag. Each value of thermostat would be put in a separate compartment respectively for easy organization and recognition..
[QUALITY AFTER-SALE SERVICE] Quality issue or any questions, please come to us. We would solve all the problems for you..

Package includes 2 pc KW3A microwave door switch(normally open + normally close).
MONEY-BACK GUARANTEE – For any product problem you’re not completely satisfied, you can ask for a replacement or full refund.

Gas, oil, or electric heat with air conditioning.
Heat only – two-wire systems, power to open and close zone valves (Series 20), and normally open zone valves.
Warm air, hot water, high-efficiency furnaces, heat pumps, steam, gravity.

✅DONGNAN KW3A Microwave Oven Door Interloc Switch. Package contains 2 Normally Open and 1 Normally Close(2 NO+1 NC)..
✅If you are not satisfied with our products, you can ask for a replacement or a full refund..

Production Name: Generic Refrigerator Door Light Switch, Module Type: HCK-50, Rated Voltage: 125/250V AC, Rated Current: 2.5A 250V/5.0A 125V, Work Temperature: -40℃-85℃/-40℉-185℉,Control Type: NC(normally close, most refrigerator control type),Connect Pin Size: 4.8×0.5mm/0.19×0.02in.
Generic and universal and compatible design, replace for most Whirlpool, Maytag,Admiral, Amana, Crosley, Jenn-Air, Kenmore, KitchenAid, Magic Chef refrigerators’ door light switch.
Control type is NC(Normally closed), when refrigerator’s door open it is close and light will be on.
Long life time of this press switch, max to 50,000 times opening or closing door.
Enclosure structure to reduce cold air release and durable,1 Year warranty.