MDP-4 D-5-T-10: Lightning barrier with test function, 5V version - nominal load current 10 A - protective device for multi-core systems - direct shield earthing and with screwless connection terminals - space-saving width of only 8.7 mm - protective circuit can be tested with Life Control - high bandwidth up to 100 MHz - UL listed (4DG1) Application: Universal use on 35 mm top hat rail in any commercially available distribution housing.