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We are China leading supplier of safety and security equipment. We are small integrator of fire alarm system, perimeter security system, intruder alarm systems. We are business partner of security projects contractor, physical security engineers.
Read moreBy Alarm Security Vedard
Spikes, surges, short duration transients, terms used to describe a momentary increase in electrical voltage. Spikes range from hundreds to thousands of volts, and despite lasting micro seconds (8/20µs), can cause irreparable damage to sensitive electronic equipment.
Read moreBy PD Devices Ltd - (Power Development)