AX370-30 ABB Ac contactor Small medium sized motors load control

AX370-30 ABB Ac contactor Small medium sized motors load control

Product Overview

The ABB AX370-30 is a highly efficient and reliable AC contactor, specially designed for frequent start-stop operations. This model supports 3-pole main contacts and has a rated working current of 70A (AC-3 category). It is suitable for the control of small and medium-sized three-phase asynchronous motors, lighting systems, and other AC-3 or AC-1 category loads. Its compact design and high reliability make it widely used in industrial automation, building automation and infrastructure projects.

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.
Safety and Environmental Protection
Vacuum arc extinguishing technology is adopted to ensure no pollution emissions and meet environmental protection requirements.
It offers outstanding electrical isolation performance to ensure operational safety.
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 IEC, UL, CSA, CE, etc.
It complies with international and national standards such as IEC/EN 62271-102 and GB/T 11022.
Easy to install
Supports in-cabinet installation to save space.
Supports screw crimping or spring clamping terminal blocks, and is compatible with various wire specifications

Basic parameters
Model: AX370-30
Series: ABB AX series AC contactors
Pole number: 3P (main 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) : 70 A @ 400 V AC
Rated operating current Ie (AC-1) : 105 A @ 400 V AC
Control coil voltage: Depending on specific configuration (common ones include AC220V, DC110V, etc.)

Typical application scenarios
Industrial automation
It is used for the starting, stopping and protection of medium-voltage motors, such as water pumps, fans, compressors and other equipment.
Power transmission and distribution
Load switching and protection in scenarios such as medium-voltage switch cabinets and substations.
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.

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