Electric strike 143 Product description Model with basic equipment. Also useable as a heavy-duty electric strike. Overview of Advantages Radius keeper, FaFix®, adjustable by 4 mm 12-24 Volt voltage range for AC and DC operation New connection technology, can be replugged Resistant to continuous current across the entire voltage range All models can be fitted as required (right-hand/left-hand/horizontally) Integrated surpressor diode Compatible with Model Range 142U Preload modes 400N or 800N can be set Contact Us Electric strike 143RFaFix® adjustment range, Monitoring contact, Fail-locked,… Electric strike 143FFail-locked, TVS diode