This is one of our rising clamp terminal blocks. It's the model CT350-00 and usually used in security product.
 

The case is PA66, UL94V-0 and the conductors are brass, and tin plated. The screws are M2.5, C1018 steel and zinc Plated. The voltage is 250V. The current rate is 10A. And the electrical withstanding is AC2500V, 1minute. The isolation resistance is DC500V, 500MΩ. The wire range is 26-12 AWG. The max torque is 3.5kgf.cm and operation temperature is -33℃~+105℃.