The ABB AX370-30-11-88 Contactor provides reliable electrical control for efficient system operation. Suitable for various applications, it ensures peak performance and reliability.
Product ModelAX370-30-11-88
Material Number1SFL607074R8811
Product ID92020
Stock on Request
Last updated: 8/29/2026
Key Features
1
1. Reliable PerformanceThe ABB AX370-30-11-88 Contactor is designed to ensure peak performance in your applications, providing dependable electrical control for efficient system operation.
2
2. Versatile ApplicationsThis contactor is suitable for a wide range of applications, including motor starting, isolation, by-pass, and distribution up to a maximum of 1000 volts.
3
3. High Switching FrequencyWith a maximum mechanical switching frequency of 300 cycles per hour and a maximum electrical switching frequency of 300 cycles per hour, it can handle high operational demands.
4
4. Advanced Thermal ManagementThe contactor features conventional free-air thermal current (Ith) of 250 amperes at 40°C, ensuring it can operate safely in various ambient temperatures.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Product Net Width
140 mm
Product Net Depth / Length
180 mm
Product Net Height
225 mm
Product Net Weight
4.7 kg
Number of Main Contacts NO
3
Number of Main Contacts NC
0
5
5. Comprehensive Safety FeaturesEquipped with built-in surge suppression and add-on auxiliary contact blocks, the ABB AX370-30-11-88 Contactor offers enhanced safety and reliability in its operations.
Number of Auxiliary Contacts NO
1
Number of Auxiliary Contacts NC
1
Rated Operational Voltage
Main Circuit 1000 V
Rated Frequency (f)
Main Circuit 60 Hz
Conventional Free-air Thermal Current (Ith)
acc. to IEC 60947-4-1, Open Contactors Π= 40 °C 250 A
Rated Operational Current AC-1 (Ie)
(690 V) 40 °C 600 A (690 V) 55 °C 500 A (690 V) 70 °C 400 A
Rated Operational Current AC-3 (Ie)
(415 V) 55 °C 370 A (440 V) 55 °C 370 A (500 V) 55 °C 315 A (690 V) 55 °C 315 A (380 / 400 V) 55 °C 370 A (220 / 230 / 240 V) 55 °C 370 A
Rated Short-time Withstand Current Low Voltage (Icw)
at 40 °C Ambient Temp, in Free Air, from a Cold State 10 s 2960 A at 40 °C Ambient Temp, in Free Air, from a Cold State 15 min 600 A at 40 °C Ambient Temp, in Free Air, from a Cold State 1 min 1208 A at 40 °C Ambient Temp, in Free Air, from a Cold State 1 s 3700 A at 40 °C Ambient Temp, in Free Air, from a Cold State 30 s 1709 A
Maximum Electrical Switching Frequency
300 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)
8 kV
Mechanical Durability
5 million
Maximum Mechanical Switching Frequency
300 cycles per hour
Coil Operating Limits
(acc. to IEC 60947-4-1) Uc (at θ ⤠70 °C)
Rated Control Circuit Voltage (Uc)
50 Hz 230 ... 240 V 60 Hz 240 ... 260 V
Degree of Protection
acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP40
Terminal Type
Main Circuit: Bars
Ambient Air Temperature
Close to Contactor Fitted with Thermal O/L Relay (0.85 ... 1.1 Uc) -25 ... 55 °C Close to Contactor without Thermal O/L Relay (0.85 ... 1.1 Uc) -40 ... 70 °C Close to Contactor for Storage -40 ... 70 °C
