DIN rail mount SIOV metal oxide varistor interface module, 16 channels common connect. Continuous maximum working voltage: 275VAC(RMS) / 350VDC. Breakdown voltage(at 1mA): 430V, Clamping voltage: 710V(50A), Transient peak current: 4500A. 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.