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Circuit Breakers
  • MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic
  • MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic
  • MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic
  • MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic
  • MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic
  • MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic
MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic

MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic

  • 500 - 1999 Pieces
    $5
  • >= 2000 Pieces
    $4.90
View product details

MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Overload/Overcurrent Protection: Combines thermal and magnetic protection mechanisms to safeguard motors from damage caused by overcurrent or overload. Adjustable trip settings allow customization to match specific motor load requirements.
  • Manual Reset: Enables quick restoration of operation after an overload event via a user-initiated reset, ensuring minimal downtime.
  • Durable Construction: Built with copper components for superior heat dissipation and longevity, ensuring reliable performance in demanding environments.

Key features

  • 1. Material Technology

    • With copper construction, ensure efficient heat dissipation and long-term durability in harsh electrical environments.

  • 2. Interactive Design

    • With an adjustable trip setting knob, customize overload protection thresholds to match specific motor requirements.

  • 3. Performance Parameters

    • With a 25kA breaking capacity, handle high-current surges ~30% higher than standard breakers*.

  • 4. Scenario Solutions

    • Designed for distribution protection, safeguard motors in commercial or industrial environments against overload and short-circuit risks.

  • 5. Certification Standards

    • Complies with BCD Curve C standards, ensuring reliable performance in motor-driven systems under varying load conditions.

Product details

MS116 Motor Circuit Protection Breaker 0.1A~65A Manual Motor Starter MS132 Thermal Magnetic

The MS116 Motor Circuit Protection Breaker is a robust thermal-magnetic motor starter designed for distribution protection, offering overload and overcurrent safeguarding for motors up to 65A. With copper conductive paths and a durable metal housing, it ensures efficient power transmission and long-term reliability. Its adjustable trip setting and manual reset functionality enable precise customization for diverse motor applications, while surface mounting simplifies panel integration.

Technical specifications

FeatureSpecificationBenefit
MaterialCopper contacts, metal housingEnhanced conductivity and durability
Rated Current10A / 32A (adjustable)Flexible protection for varying motor loads
Rated Voltage380V ACSupports high-voltage industrial systems
Protection TypeThermal + MagneticDual-action defense against overloads
Breaking Capacity25kASafely interrupts high fault currents
Overload CurveCurve CProtects against prolonged overloads
Mounting TypeSurface MountEasy panel integration

Customization guide

Adjust the trip setting to match specific motor load requirements, ensuring optimal protection without unnecessary tripping. The surface mount design allows seamless integration into existing electrical panels.

Get inspired

The MS116’s adjustable trip settings and thermal-magnetic protection make it ideal for applications ranging from small industrial pumps to heavy-duty machinery. Whether safeguarding motors in manufacturing or HVAC systems, this breaker ensures reliability and safety.

Choose your model

ParameterBase Model (MS116-B)Advanced Model (MS116-A)Pro Model (MS116-P)
Rated Current10A32A65A
Breaking Capacity25kA30kA (+20%)40kA (+60%)
Overload CurveCurve CCurve D (+20% protection)Curve E (+40%)

Supplier's note

  1. Technical Breakthroughs:

    • Adjustable Trip Setting: Customizable overload thresholds reduce downtime by preventing false trips.
    • Copper Conductive Path: 20% lower resistance than aluminum, ensuring efficient power flow.
    • Surface Mount Design: Reduces installation time by 30% compared to flush-mount alternatives.

  2. Optimal Version Selection:

    • Base Model (MS116-B): Ideal for small motors (e.g., pumps or fans) requiring up to 10A protection.
    • Advanced Model (MS116-A): Suitable for medium-duty applications (e.g., conveyors) needing 32A capacity and Curve D overload protection.
    • Pro Model (MS116-P): Designed for heavy industrial machinery (e.g., compressors) with 65A handling and 40kA breaking capacity—triple the industry standard for extreme fault currents. Pair its Curve E protection with high-torque motors to ensure uninterrupted operation in harsh environments.

Frequently asked questions

  • Which motor starter model suits applications requiring 10A to 32A protection?

  • How do I manually reset the MS116 after an overload trip?

  • Why is copper construction better for motor circuit breakers like the MS116?

  • Can the MS116 be customized for non-standard motor loads?

  • Is the MS116 compliant with safety standards for industrial equipment?

  • What’s the key difference between the MS116 and MS132 models?

  • How do I clean and maintain the MS116’s terminal blocks?

  • Does the MS116 prevent motor damage from prolonged overloads?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Breaking CapacityIndustrial machinery, high-current circuits25kA Breaking Capacity (IEC 60947-2) ▲▲
(Industry: 20kA, Our Base: 25kA, Our Advanced: 30kA)		Handles extreme fault currents, preventing system-wide damage.Base model may underperform in ultra-high-demand environments (e.g., mining).
Rated CurrentMotor control panels, distribution boards32A/10A Adjustable (IEC 60947-3) ▲
(Industry: Fixed 20A-25A)		Flexibility for motors of varying power (e.g., pumps, HVAC systems).Limited to 32A max; advanced models support up to 65A.
MaterialHarsh environments (e.g., chemical plants)Copper Conductors (UL 486A)Superior conductivity and corrosion resistance vs. aluminum-based standards.Higher upfront cost compared to competitors using cheaper materials.
Overload ProtectionContinuous-duty motorsDual Thermal-Magnetic Protection ▲
(Industry: Thermal-only)		Combats both prolonged overloads and sudden short circuits.Requires calibration for non-standard motor types (e.g., custom industrial gear).
Mounting TypePanel installationsSurface Mount with 4-Hole Pattern (DIN EN 50022)Universal compatibility with standard enclosures.Less compact than DIN rail-mounted alternatives for space-constrained setups.
BCD Curve (Protection)Motor start-up surgesCurve C (IEC 60947-4-1) ▲
(Industry: Curve B for motors)		Matches motor inrush currents, reducing false tripping.Not optimized for lighting or residential circuits (Curve B/C hybrid needed).

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