1.Each pair of barrier terminals is insulated from the next to prevent the circuit from being out of order. The bifurcated pre-insulated terminals are easy to connect to the wires for added reliability and safety. 2.600V 15A 12P (double row) barrier terminal block with material: copper, screw: galvanized iron. Removable, dust-proof, transparent plastic insulation cover for ruggedness and safety wires to help prevent accidental contact with the terminals. 3.Applications: Suitable for security, industrial, lighting, instrumentation, drum rail transit, elevators, mechanical equipment plants, etc., widely used in machinery, electric power, railway, shipbuilding, aviation, household appliances, computers or other automation equipment. 4.The terminal block adopts a frame screw connection structure, which is suitable for the connection of round copper wires which are not processed and crimped to the tubular end. 5.Warranty:We will provide you with a 6-month warranty. We sincerely hope that you are satisfied with this product. However, if you are not satisfied with this product, please feel free to contact us and we will resolve the issue as soon as possible, you can return the product without risk,we will resend or refund., Manufacturer: JJDD