... combustible plastic materialMounting type: DIN railFrequency metersModel: SFC-F45V Accuracy: Class 1.0Specifications: Voltmeter: 100V, 220V, 380V, 440V Frequency: ... resistance: case of non-combustible plastic materialMAC voltmetersModel: SFC-T45VAccuracy: Class 1.5Specifications: 30V, 50V, 75V, 100V, 120V, 150V, ... of non-combustible plastic materialMounting type: DIN rail SFC-100 Modular Type Ammeter