This is one of ourwire protector terminal blocks. The model is CA350-03 and usually used in temperature controlled switch, power supply and so on.
 

The case is PA66, UL94V-0 and the conductors are brass, and tin plated. The screws are M3.0, 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 22-14 AWG. The max torque is 4.0kgf.cm and operation temperature is -33℃~+105℃.