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Siemens MS301A Motor Starter

Siemens MS301A Manual Motor Starter for motor overload and short circuit protection.

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ManufacturerSiemens

Part numberMS301A

Type Manual Motor Starter

Manufacturer Siemens

Protection Overload and Short Circuit

Trip Class Class 10

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12-month warranty

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Same-day dispatch

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Worldwide delivery

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Veteran-owned

CAGE: 9NK75

Adjustable thermal overload trip Magnetic short-circuit trip Manual reset Compact design Robust construction Motor protection

Product description

The Siemens MS301A is a manual motor starter designed for reliable protection of electrical motors. It provides robust safeguarding against overload and short-circuit conditions, ensuring the longevity and operational safety of motor-driven equipment. Its compact design and straightforward operation make it a versatile solution for various industrial needs.

This motor starter is suitable for a wide range of applications in industries such as manufacturing, material handling, and building services. It is ideal for direct on-line starting and provides adjustable thermal and magnetic trip settings for precise motor protection tailored to specific load requirements.

Stanlo Automation, a veteran-owned distributor, is your trusted source for the Siemens MS301A. We offer high-quality surplus industrial components, ensuring you get the parts you need quickly and cost-effectively to maintain your automation systems.

Technical specifications

Type	Manual Motor Starter
Manufacturer	Siemens
Protection	Overload and Short Circuit
Trip Class	Class 10
Rated Operational Current	Up to 10A (adjustable)

Common applications

Motor control panels

Conveyor systems

Pumps and fans

Machine tools

HVAC systems

Material handling

Compatible systems

AC motors up to 4kW at 400V

Also known as

Siemens MS301A Starter MS301A manual starter Siemens motor protection

Replaces / compatible with

The MS301A is a standalone manual motor starter and can be used to replace other manual starters of similar current ratings and functionality.

Technical note

Expert tip

Ensure the ambient temperature compensation is considered when setting the thermal overload trip for accurate motor protection.

What happens next?

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Frequently asked questions

What types of electrical faults does the Siemens MS301A protect motors against?

The Siemens MS301A manual motor starter provides protection against two primary electrical faults: thermal overload, which can occur from prolonged overcurrent, and short circuits, which are sudden, high-magnitude current surges.