a, protect refrigeration compressor from damage of low oil pressure of lubricating oil b, good performance c,competitive price Technical parameter Environmental temperature-20~70°CMedium temperature-40~120°C Applicable mediumR134a, R22, R407C, R404A/R507, water, air and oilCable connectionthe cable entry can be used for 15mm dia. Non-inductive currentA.C.110: 24A.C.220: 16 Inductive curentfull ...