MAKER : ABB
Extended Product Type:AX50-30-11-88
Product ID:1SBL351074R8811


AX50...AX80 contactors are mainly used for controlling 3-phase motors and power circuits up to 690 V AC. These contactors are of the block type design with: – 3 main poles – control circuit: AC operated – add-on auxiliary contact blocks (optional) for side mounting and a wide range of accessories.



Number of Main Contacts NO:3
Number of Main Contacts NC:0
Number of Auxiliary Contacts NO:1
Number of Auxiliary Contacts NC:1
Rated Operational Voltage:Auxiliary Circuit 690 V
Main Circuit 690 V
Rated Frequency (f):Auxiliary Circuit 50 / 60 Hz
Main Circuit 50 / 60 Hz
Conventional Free-air Thermal Current (Ith):acc. to IEC 60947-4-1, Open Contactors q = 40 °C 100 A
Rated Operational Current AC-1 (Ie):(220 / 240 V) 55 °C 85 A
(690 V) 40 °C 100 A
(690 V) 70 °C 70 A
Rated Operational Current AC-3 (Ie):(415 V) 55 °C 50 A
(440 V) 55 °C 45 A
(500 V) 55 °C 45 A
(690 V) 55 °C 35 A
(380 / 400 V) 55 °C 50 A
(220 / 230 / 240 V) 55 °C 53 A
Rated Operational Power AC-3 (Pe):(415 V) 25 kW
(440 V) 25 kW
(500 V) 30 kW
(690 V) 30 kW
(380 / 400 V) 22 kW
(220 / 230 / 240 V) 15 kW
Rated Short-time Withstand Current Low Voltage (Icw):at 40 °C Ambient Temp, in Free Air, from a Cold State 10 s 650 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 15 min 110 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 1 min 250 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 1 s 1000 A
at 40 °C Ambient Temp, in Free Air, from a Cold State 30 s 370 A
for 1 s -empty- A
Maximum Breaking Capacity:cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 1300 A
cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 630 A
Maximum Electrical Switching Frequency:(AC-1) 600 cycles per hour
(AC-3) 600 cycles per hour
Rated Insulation Voltage (Ui):acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 690 V
Rated Impulse Withstand Voltage (Uimp):Auxiliary Circuit 6 kV
Maximum Mechanical Switching Frequency:3600 cycles per hour
Rated Control Circuit Voltage (Uc):50 Hz 230 ... 240 V
60 Hz 240 ... 260 V
Operate Time:Between Coil De-energization and NC Contact Closing 7 ... 14 ms
Between Coil De-energization and NO Contact Opening 4 ... 11 ms
Between Coil Energization and NC Contact Opening 7 ... 22 ms
Between Coil Energization and NO Contact Closing 8 ... 27 ms
Degree of Protection:acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20
acc. to IEC 60529, IEC 60947-1, EN 60529 Main Terminals IP10
IP10