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Siemens 1MB21211AB314AG3 Contactor

Siemens 1MB21211AB314AG3 7.5kW 400V 3 Phase Contactor.

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ManufacturerSiemens

Part number1MB21211AB314AG3

Power 7.5kW

Voltage 400V

Phase 3

Type Contactor

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7.5kW power capacity 400V operation 3-phase motor switching Industrial grade Siemens quality

Product description

The Siemens 1MB21211AB314AG3 is a power contactor designed for demanding industrial applications. It is rated to handle 7.5kW of power for 3-phase loads at 400V. This contactor is part of Siemens' comprehensive motor control portfolio, likely belonging to the Sirius range, ensuring high reliability and performance.

These types of contactors are critical for the safe and efficient operation of industrial machinery. They are employed in sectors such as manufacturing, water treatment, and energy distribution to control motors, transformers, and capacitor banks.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 1MB21211AB314AG3. By sourcing surplus automation components from Stanlo, you can achieve significant cost savings while still obtaining quality, functional parts for your maintenance and upgrade needs.

Technical specifications

Power	7.5kW
Voltage	400V
Phase	3
Type	Contactor

Common applications

Motor control

Industrial machinery

Pump stations

Fan systems

Power switching

Compatible systems

Suitable for 400V, 3-phase industrial power systems

Also known as

Siemens 3RT contactor

Replaces / compatible with

This Siemens contactor is suitable for applications requiring 7.5kW switching capacity at 400V, 3-phase. It is compatible with other Siemens Sirius system components.

Technical note

Expert tip

Verify the coil voltage and number of auxiliary contacts to ensure compatibility with your existing control panel wiring and logic.

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Frequently asked questions

What is the maximum current carrying capacity of the Siemens 1MB21211AB314AG3 for 7.5kW loads?

While the part number indicates a 7.5kW rating at 400V for 3-phase loads, the specific current rating can be derived from the full technical datasheet. It is designed to safely handle the required current for motors of this size.