ABB 32A MS165 Series Motor Protection Unit with -25 °C to 60 °C Operating Temperature MS165

ABB MS165 32A Motor Protection Unit MS165 is a robust and reliable manual motor starter designed for protecting electric motors from overloads, short circuits, and phase loss conditions. Engineered under the MS165 series, this compact unit supports both three-phase and single-phase motor applications and features a clear fault status window making identification of tripping easy and visible to operators.

Operating efficiently within a minimum temperature of -25 °C and maximum of 60 °C, the MS165 unit ensures motor safety under varying industrial environmental conditions. It integrates a lockable rotary handle offering a distinct switch position indication, enhancing operational safety and control.

Key features include overload protection with Class 10 accuracy, trip-free mechanism preventing manual resetting during fault, phase loss sensitivity, and a built-in disconnect function to isolate the circuit. The device carries multiple international approvals such as CB, CCC, CSA, IEC/EN 60947 series, and UL certifications confirming compliance to rigorous safety and quality standards.

The motor protection unit has an overall length of 142.65 mm, width of 55 mm, and depth of 122.1 mm with IP10 and IP20 ingress protection ratings ensuring durability in industrial and commercial environments. The three-pole configuration facilitates effective circuit interruption covering all motor lines.

Manufactured in China, this new motor protection unit is an essential component for industrial, manufacturing, automation, and electrical control applications requiring secure motor operation and protection. Its durable design and extensive certifications make it suitable for use in demanding electrical installations, HVAC systems, and machinery control panels.

Designed specifically for motor circuit protection and overload prevention. Visible fault indication for quick troubleshooting and maintenance. Lockable handle adds operational security and safety. Effective trip-free mechanism ensures reliable fault response.

Phase loss detection protects motor from uneven power supply damage. Compact size suitable for tight installation spaces. Compliant with international safety standards ensuring dependable operation. Versatile application in industrial, commercial, and automation use cases.

Robust construction with IP10/IP20 ratings for environmental resistance. Supports single and three phase motors up to 32 amps.

Explore the Motors & Pumps category on EnvMart for more high-quality motor protection solutions and ABB branded electrical control products designed to enhance reliability and safety in your industrial electrical systems.

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