0

Improving the reliability of smoke detectors IP212-43M

The article describes the finalization of the fire detector using additional power supply and LED. Smoke detector standalone type IP212-43M production of "ITT-Signalspetsavtomatika" is designed to detect sunbathing, which is accompanied by the appearance of smoke. When triggered, the sensor device submits intermittent alarm sound.… Continue Reading

0

flood alarm – power supply

The device is intended for acoustic signaling flooding of basements, filling the storage tanks of water for irrigation, etc.. It can also be used as an alarm buzzer in case of failure of domestic plumbing. Besides alarm functions the device can also be used as an AC power source… Continue Reading

0

Switching power supply 5V, 2,5BUT

Power supplies to the frequency transformers 50 Hz today virtually surrendered their positions pulsed with a high operating frequency, which at the same output power are, usually, smaller dimensions and weight, higher efficiency. Major constraints to the independent production… Continue Reading

0

The power supply transformer on a standardized TH46-220-50

The most time consuming assembly classic mains supply is, as known, a step-down transformer. To facilitate repetition brings to attention of readers the power supply in it applied uniform ready transformer TN46-220-50 (The glow transformer 46th sizes on the mains voltage 220 AT, 50 Hz). The presence of… Continue Reading

0

Melodious bell housing

Electronic calls are self-powered by batteries, Although calls are powered by AC 220 B / 50 GC, not pose a risk to life in the event of a malfunction or improper installation. Therefore, these calls can be installed outdoors,… Continue Reading