This is a 4-pole 25A, 300V, 10mm step screw terminal block.
Specifications:
Step: 10mm
Available Poles: 2/3/4PIN
Screw: M4, steel
Housing: PA66, UL94V-0
Rated voltage: 300V
Rated current: 25A
Withstand voltage: AC2000V/1min
Wire Diameter: 22-12AWG
Temperature range: -40 + 105 °C
Instantaneous temperature: +250°C
Torque: 10KG.cm
Stripping length: 6-7mm