Dynamic Braking Resistor
50 Ohms x 3000Watts (3kW).
Max overload = 5 x Power for 10 seconds every 100 seconds, see the data sheet linked below.
Thermal sensor included is set at 250 degrees C
Maximum element temperature is 550 degrees C
367mm x 140mm high x 330mm wide with mesh cover and internal connections.
Manufacturers Part Number: ES2-50R-SB