Technical Parameters
Specification Description
Product Type Installation Contactor
Model / Order Code ESB24-30-01
Mounting Type DIN-rail (modular TH35)
Number of Poles 4 (internal) with 3 Normally Open (NO) main contacts
Rated Operational Current (AC-1) 24 A
Rated Operational Voltage (Main Circuit) Up to 400 V AC
Control / Coil Voltage Typically 24 VAC/DC (ESB24-30-01 variant)
Control Coil Type AC/DC hum-free coil
Rated Insulation Voltage (Ui) 500 V
Rated Impulse Withstand Voltage (Uimp) 6 kV
Utilization Category AC-1 general switching
Ambient Operating Temperature –25 °C to +55 °C
Degree of Protection IP20 (when mounted in enclosure)
Dimensions (approx.) Width: ~36 mm; Height: ~85 mm; Depth: ~65 mm
Weight ~0.235 kg
Standards IEC/EN 60947 series
Typical Applications Load switching for lights, heaters, small motors, pumps, HVAC control
The ABB ESB24-30-01 is a compact installation contactor designed for DIN-rail mounting in low-voltage electrical distribution panels. It is used for remote control switching of lighting, heating, ventilation, pumps, and other electrical loads in residential, commercial, and industrial installations.