AX18-30-01-81 ABB Ac contactor Compact AC control solution Small and medium sized motors load control
Product Overview
ABB AX18-30-01-81 is a high-performance modular AC contactor belonging to the ABB AX series. It is specially designed for frequent start-stop operations and is suitable for the control of small and medium-sized three-phase asynchronous motors, lighting systems and other AC-3 or AC-1 type loads. This model supports 3-pole main contacts + 1 normally open auxiliary contact, with a rated working current of 18A (AC-3 category) and a coil voltage of AC24V (the model suffix "81" indicates AC24V control coil). It is an ideal choice for low-voltage distribution and control systems.
Key features
High reliability and long service life
It can withstand up to one million operation cycles under the AC-3 usage category.
The mechanical life exceeds 15 million cycles, meeting the demands of various harsh environments.
Energy conservation and environmental protection
It adopts low-power electronic holding coil technology, which is energy-saving and highly efficient.
Low standby power consumption, in compliance with international standards such as IEC 60947-4-1 and RoHS/REACH regulations.
Modular design, flexible expansion
It can be assembled with various accessories: auxiliary contact modules, surge suppressors, mechanical interlock devices, etc.
It is easy to build complex control logic without the need for additional relays.
Safety and compliance
Passed the major global certification systems, including UL, CSA, CE, CCC, TUV, etc.
It complies with international and national standards such as IEC/EN 60947-4-1 and GB 14048.4.
Basic parameters
Model: AX18-30-01-81
Series: ABB AX series AC contactors
Number of poles: 3P (main contact), 1NO (normally open auxiliary contact)
Rated insulation voltage Ui: 690 V AC
Rated working voltage Ue: 230/400/690 V AC (50/60 Hz)
Rated operating current Ie (AC-3) : 18 A @ 400 V AC
Rated operating current Ie (AC-1) : 25 A @ 400 V AC
Control coil voltage: 24 V AC
Coil power consumption (engagement/holding) : approximately 5W / 1.5W (typical value)
Typical application scenarios
Industrial automation
It is used for the start and stop control of three-phase asynchronous motors such as water pumps, fans, compressors and conveyor belts.
Building automation
It is applicable to central air conditioning systems, elevator control, and management of large lighting circuits.
Energy and infrastructure
Auxiliary control of photovoltaic inverters, pumping stations of water treatment plants, and backup power switching systems.
OEM equipment integration
As a standard component embedded in the OEM control cabinet, it enhances the reliability of the entire machine.
Product Images
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AX18-30-01-81 ABB Ac contactor Compact AC control solution Small and medium sized motors load control Images
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