1, DIN Rail Mount 90Amp 600V 4 Position Screw Terminal Block Distribution Module. 2, Terminal Block: Maximum current 90 Amp (each position). Maximum voltage 600V. Pitch 15mm/0.59", Wire range 20AWG ~ 2AWG / 35mm square. Strip length 19mm. Screws - M4. 3, Fireproof nylon material DIN rail mount carrier can support width 35mm 32mm 15mm rail. FR-4 fiberglass dual copper layers PCB. 4, UL CE CQC certified terminal blocks. UL CE certified nylon material mount carrier. UL 94-V0 certified PCB. 5, Operating Temperature Range: -40 to +105C.