DIN rail mount SIOV metal oxide varistor interface module, 8 channels individual connect. Continuous maximum working voltage: 30VAC(RMS) / 38VDC. Breakdown voltage(at 1mA): 47V, Clamping voltage: 93V(10A), Transient peak current: 1000A. Ease of connection with the use of screw connection terminal blocks. Taiwan fireproof nylon material DIN rail mount carrier (not China low quality carrier), can support width 35mm / 32mm / 15mm rail, and the carrier can be taken apart for panel mount use.