Controllers EKC 331 are used to regulate the capacity of compressors or condensers in refrigerating systems of small size based on the input pressure.It can also be used as a relay module extension in conjunction with the EKC531Sensores temperature= AKS(Pt1000)pressure Transmitters = AKS32R or AKS33Display= EKA Enter Code EKC 331 Weight 0.320 [kg] Applicat. area Capacity control Approval CE, C-TICK, EAC, LLC CDC TYSK Cap. control input Pressure Cap. control mode NZ Inst. cap. mode Step Condenser control type Pressure/ Temperature Controller type Capacity Controller Display on the front Yes EAN no. Five trillion seven hundred two billion four hundred twenty eight million four hundred thirty four thousand four hundred sixty one Fan cap. control Step Fan control mode NZ Freq. 50/60 HZ Function COMPRESSOR, CONDENSER I/O conn. max. 8 pc In. of compressors max. 4 pc In. of fans max. 4 pc The format of the package Multi pack Cons. energy 5.0 VA Prod. features Night setback Prod. features Plugin slot Prod. Group Compressor/condenser control Prod. name CONTROLLER RACK Qnt. package 16 pc Supply volt. CA 230 V