Dynamic Brake Resistor, 30 Ohms x 3000 Watts

30 Ohms x 3000Watts (3kW) Dynamic Braking Resistor with terminal cover and thermal trip. 
Application: When connected to a suitable Inverter drive this will add braking to the drive system, by absorbing energy returning from the load.

Overload: 460% for 10 seconds every 100 Seconds, or as shown in the data sheet linked below.
Maximum Overload:  Limited by the brake chopper Voltage to 4.8kW for 230V Drives.
Tolerance: -0 +5%.
Voltage: 1000V DC or AC rms.

Enclosure: IP20 when mounted (Open to rear).
Dimensions: 367mm x 140mm high x 330mm wide.
Mounting: Via 4 x M6 on 415mm by 185mm centres.
Weight: 3.8kg.

Thermal sensor has a normally closed contact opening at 250ºC and closing at 210ºC.

Part Number: ES2-30R-SB (DBR30x3000).

See ES Series data sheet linked below.