The male and female Screws are mainly used in computer, circuit board and other industries. When one end is screwed into the locked object, the hexagonal column is exposed, which can fix or isolate other objects. The male and female screws are assembled on the computer host. The external thread connects the main board inside the host. The internal thread separates the main board from the sheet metal shell. The terminal line to be connected is connected with a screw from the internal thread of the sheet metal shell and the male and female copper column.
Main specifications Din316 Wing Screws,Female Male Screws,Hexagonal Column Screw,Flat Point Hollow Set Screw Suzhou Gubao Screws Co.,Ltd. , https://www.gbscrewes.com
Fire evacuation indicators are made of all flame-retardant materials. The circuit uses advanced and reliable dedicated integrated circuits as functional control elements. This product is designed according to GB17945-2010 standard and has intelligent detection function. Can be widely used in various types of places for fire emergency evacuation and blackout emergency evacuation.
Instructions:
1. The fire emergency signs and luminaires shall be installed in proper positions, and the main power (AC220V, 50Hz) shall be connected. At this time, the sign panel and the “main power†green indicator shall be lit.
2, red indicator light, indicating that the lamp is charging. After the charge is completed, the red light goes out automatically.
3, press the "test" button when the main power status (Note: time <3s), the light into the emergency state.
4. In the emergency state, when the battery voltage drops to a certain degree, the emergency light can be automatically turned off and enter the end of release point.
Maintenance method:
If the fault indicator lights up when the main power is on, and the emergency light is off, check whether the battery has failed.
When used, it must be ensured that the power cord is reliably connected to the main power and the ground wire is connected.
For the first time use, please charge the lamp for 24 hours.
The main specifications of male and female screws are m3, M4, M5, M6, M8, m10and so on. Their hexagonal columns are 5, 6, 8, 10, 12, 15mm and so on, among which m3 series is the most suitable. In addition to copper, there are stainless steel, fast cutting steel and so on.
Gui'an fire evacuation indicator instructions
Profile: