Special for Railway Train, Appointed by Chinese Ministry of RailwaysPotted and Sealed StructureMoisture Proof and Anti-VibrationParticular Pre-heat Starting Circuit to Prolong Lamp LifeSwitching Times: >100000 timesPatented TopologyReliable Protection of EmergencyEMC (Electro-Magnetic Compatibility)Ambient Temperature Range: -25c-+70cCQC approval Item CDZ140TN(48V)
