Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Best Choice CHTAIXI 
Chtaixi 120V/240V AC Miniature Circuit Breaker, 20 Amp Din Rail Mount Circuit Breaker, Solar AC Disconnect Switch, Therm Functions It is used to protect the 110V, 120V, 220V, 230V AC circuit from overload and short circuit damage, and can alTiiyee 
DC Miniature Circuit Breaker, Din Rail Mount Disconnect Switch Low Voltage Breaker Protector Thermal Magnetic Trip 2 Pol [Mini Circuit Breaker]: DC circuit isolator and dc miniature circuit breaker, 2 pole 1000v be used to protect a low-voltZGLEDUN 
ZGLEDUN DC Miniature Circuit Breaker, 1 Pole 20 Amp, 24VDC-250VDC, 6kA Din Rail Mount Breaker with Thermal Magnetic Trip Function: Can be widely used in household lighting, small motor control, solar power supply systems, to prevent circuitBest Value DIHOOL 
DIHOOL 125 Amp DC Breaker, Battery Disconnect Switch 500V, Thermal Magnetic Trip for Solar, Main Power, UPS Function: Thermal Magnetic Trip, circuit overload protection, isolation circuit, circuit short circuit protection;ZGLEDUN 
ZGLEDUN DC Miniature Circuit Breaker, 1 Pole 10 Amp, 24VDC-250VDC, 6kA Din Rail Mount Breaker with Thermal Magnetic Trip Function: Can be widely used in household lighting, small motor control, solar power supply systems, to prevent circuitZGLEDUN 
ZGLEDUN DC Miniature Circuit Breaker, 2 Pole 20 Amp, 24VDC-500VDC, 6kA Din Rail Mount Breaker with Thermal Magnetic Trip Function: Can be widely used in household lighting, small motor control, solar power supply systems, to prevent circuitZGLEDUN 
ZGLEDUN AC Miniature Circuit Breaker, 2 Pole 16 Amp, 12-240VAC, 6kA Din Rail Mount Breaker with Thermal Magnetic Trip, D Function: Can be widely used in household lighting, small motor control, solar power supply systems, to prevent circuitZGLEDUN ZGLEDUN AC Miniature Circuit Breaker, 1 Pole 16 Amp, 12-240VAC, 6kA Din Rail Mount Breaker with Thermal Magnetic Trip, D Function: Can be widely used in household lighting, small motor control, solar power supply systems, to prevent circuitLwuey Lwuey 2P DC Miniature Circuit Breaker, 1000V 16A Low Voltage Circuits Breakers Overload Protection Switch Solar PV Syste High Interruption Capacity: The 2P small circuit breaker and DC 1000V miniature circuit breaker are supplied with high iVELATEMOR VELATEMOR Manual Motor Starter Overload Breaker | Thermal Magnetic Protection Rail Mount AC690V (GV2-ME10 4-6.3A) MOTOR PROTECTION: The motor circuit breaker can disconnect the circuit in time to prevent damage caused by overload, theZGLEDUN ZGLEDUN AC Miniature Circuit Breaker, 1 Pole 6 Amp, 12-240VAC, 6kA Din Rail Mount Breaker with Thermal Magnetic Trip, DZ Function: Can be widely used in household lighting, small motor control, solar power supply systems, to prevent circuitZGLEDUN ZGLEDUN DC Miniature Circuit Breaker, 2 Pole 50 Amp, 24VDC-500VDC, 6kA Din Rail Mount Breaker with Thermal Magnetic Trip Function: Can be widely used in household lighting, small motor control, solar power supply systems, to prevent circuitZGLEDUN ZGLEDUN DC Miniature Circuit Breaker, 1 Pole 32 Amp, 24VDC-250VDC, 6kA Din Rail Mount Breaker with Thermal Magnetic Trip Function: Can be widely used in household lighting, small motor control, solar power supply systems, to prevent circuitDecumeby Plug-in Circuit Breaker, 1 Pole 30 Amp 10 KAIC 120/240VAC Thermal Magnetic Circuit Breaker with Quick Close & Open, for EASY & SECURE INSTALLATION: Designed for seamless integration into Cutler Hammer load centers, this 3/4 inch plug-in molCocoarm Cocoarm Circuit Breaker 15A Manual Reset Thermal Switch, 125- AC 50V DC Over Current Overload Protector for Automotive I [Automatic Current Protection] Automatically disrupts current during overloads to prevent damage with precise 15A ratingClipsal Clipsal 32A 1 Pole Miniature Circuit Breaker Easier to install and operate with multi-standard screwsHyuduo Hyuduo 60A Plug On Circuit Breaker, Thermal Magnetic Trip, 1P 120/240V for Residential Load Center [Thermal Magnetic Protection]Efficient thermal magnetic trip mechanism ensures reliable operation in residential electriLegrand Legrand, RX3 Circuit Breaker Thermal Magnetic Circuit Breaker B-Characteristic, 16A, 3-Pole, 6000A Breaking Capacity, 40 Use: our thermal magnetic circuit breaker is used to protect wiring systems against overload and short circuit and can aAlvinlite Alvinlite DC Miniature Circuit Breaker, 2 Pole 500V 40 Amp Isolator for Solar PV System, Thermal Magnetic Trip, DIN Rail Product name: DC miniature circuit breakerYBJULT 1PCS GV2RT Thermal-Magnetic Circuit Breakers GV2RT10 GV2RT14 GV2RT16 GV2RT20 GV2RT21(GV2RT20 (13-18A)) Miniature Circuit BreakersUITHQH 1PCS GV2RT Thermal-Magnetic Circuit Breakers GV2RT10 GV2RT14 GV2RT16 GV2RT20 GV2RT21(GV2RT21 (17-23A)) Miniature Circuit BreakersCHTAIXI DC Miniature Circuit Breaker 2-Pin 1000V 32 Amp Insulator for Solar PV System, Thermal Magnetic Outing, DIN Rail Bracket Functions: Used to protect power distribution systems from overload and short circuit damage, and can also be used for cMulti-Wits Thermal Magnetic Circuit Breaker Knob Control, Motor Circuit Breaker 13‑18A, Short Circuit Protecting Switch for AC690V Overload and Short Circuit Protection: This thermal magnetic circuit breaker instantly disconnects the circuit during ovYEENFAR 5Pcs 3,5,10,15,20Amp Circuit Breakers Push Button Manual Reset 125/250V AC 32V DC,Overload Protector Switch Thermal Circ Product Name: Compact, Single Pole, Push-to-Reset Thermal Circuit BreakersLHaefydore Thermal Magnetic Circuit Breaker Knob Control, Motor Circuit Breaker 13‑18A, Short Circuit Protecting Switch for AC690V Overload and Short Circuit Protection: This thermal magnetic circuit breaker instantly disconnects the circuit during ovBowyTrading Thermal Magnetic Circuit Breaker Knob Control, Motor Circuit Breaker 13‑18A, Short Circuit Protecting Switch for AC690V Overload and Short Circuit Protection: This thermal magnetic circuit breaker instantly disconnects the circuit during ovBowyTrading Thermal Magnetic Circuit Breaker Knob Control, Motor Circuit Breaker 13‑18A, Short Circuit and Overload Protecting Switc Overload and Short Circuit Protection: This thermal magnetic circuit breaker instantly disconnects power during overloadLuocute Luocute CH Circuit Breaker, 2 Pole 30A 3/4 Inch Plug On Molded Circuit Breaker with Thermal Magnetic Guard, for Cutler H [CH Circuit Breaker] This 3/4 inch plug on molded Box/Cover circuit breaker is a direct replacement for Cutler Hammer loSpacnana Spacnana 60A Plug On Circuit Breaker, Molded with Thermal Magnetic Trip for Residential Load Center 120240V [Thermal Magnetic Protection]Designed to trip under severe short circuits while minimizing nuisance trips during light oJectse Jectse Miniature 30 Amp 1 Pole Circuit Breaker with Thermal Magnetic Guard for Fast Break Mechanism for Home Circuit Pan [EASY INSTALLATION] Quick and straightforward installation for electricians and homeowners, fitting neatly into load cenYechiry Yechiry 1.62.5A Motor Guard Circuit Breaker, Thermal Magnetic Switch, Silver Alloy Contacts Breaker with Guard Function, [Multifunctional Motor Protection] This versatile motor guard switch provides comprehensive protection against short cirAoutecen Aoutecen Molded Case 3/4 Inch Plug On Circuit Breaker with Thermal Magnetic Guard for Electric Panel Safety [EASY INSTALLATION] Featuring a 3/4 inch plug on design, this circuit breaker is easy to install in various applicationsDecumeby CH Circuit Breaker, 2 Pole 30A 3/4 Inch Plug On Molded Case Breaker, with Thermal Magnetic Guard, for Electrical Panel L EASY INSTALLATION & REPLACEMENT: This CH Circuit Breaker is a 3/4 inch plug on molded case breaker, designed for quick aYechiry Yechiry Motor Circuit Breaker, Thermal Magnetic Circuit Breaker, Push Button Control with Thermal Magnetic Tripper, Idea [Versatile Application] Suitable for a wide range of motor applications and load types, including resistive, capacitive,Jeffergarden Jeffergarden Thermal Magnetic Circuit Breaker Electric Motor Circuit Breaker Motor Protective for AC690V 4-6.3A with Man THERMAL MAGNETIC PROTECTION: Equipped with an advanced thermal magnetic system this electric motor circuit breaker effecYDuupxe YDuupxe Circuit Breaker, 30A 2P Plug On Molded Breaker with Thermal Magnetic Protection for Residential Load Centers and [Reliable Thermal Magnetic Protection] This circuit breaker features a thermal magnetic trip to prevent nuisance trippinCocoarm Cocoarm Plug in Circuit Breaker, 30A 1P Miniature Circuit Breaker, Thermal Magnetic Protection for Household Use [Effective Protection]30A plug in circuit breaker safeguards against overloads and short circuits ensuring safe electricOdorkle Odorkle Thermal Magnetic Circuit Breaker AC690V 13‑18A Isolator Circuit Protecting Switch Replacement Motor Protecting: The motor circuit breaker can disconnect the circuit in time to prevent damage caused by overload, theYechiry Yechiry Motor Circuit Breaker, Thermal Magnetic Circuit Breaker, Push Button Control with Thermal Magnetic Tripper, Idea [Versatile Application] Suitable for a wide range of motor applications and load types, including resistive, capacitive,YBJULT 3P Thermal Magnetic Circuit Breaker GV2PM08C Motor Protection Switch Knob Control Setting Current Range 2.5-4A 100KA Miniature Circuit BreakersYBJULT 3P Thermal Magnetic Circuit Breaker GV2PM10C Motor Protection Switch Knob Control Setting Current Range 4-6.3A 100KA Miniature Circuit BreakersBewinner Bewinner CH Circuit Breaker 2 Pole 30A 3/4 Inch Plug On Molded Box/Cover Replacement for Cutler Hammer Load Centers, The [CH Circuit Breaker] This 3/4 inch plug on molded Box/Cover circuit breaker is a direct replacement for Cutler Hammer loYBJULT 110V / 120V Available, Thermal Magnetic Trip, 2Pole 32Amp AC 400V Circuit Breaker, DIN Rail, Overload, Short-Circuit Pro Miniature Circuit BreakersYBJULT 3P Thermal Magnetic Circuit Breaker GV2PM21C Motor Protection Switch Knob Control Setting Current Range 17-23A 15KA Miniature Circuit BreakersYDuupxe YDuupxe Motor Switches Thermal Magnetic Circuit Breaker 35mm Rail Mount Thermal Magnetic Type Overload Switch AC 690V Mo [MOTOR ]: Timely disconnects circuit to prevent overload damage, extending motor's service life.YBJULT 3P Thermal Magnetic Circuit Breaker GV2PM04C Motor Protection Switch Knob Control Setting Current Range 0.4-0.63A 100KA Miniature Circuit BreakersYBJULT 1PCS IMB-30A MCB Thermal Magnetic Hydraulic Circuit Breaker Miniature Circuit BreakersQUBYNG GV2P Thermal-Magnetic Circuit Breakers GV2P16 GV2P20 GV2P21 GV2P22 GV2P32(GV2P22) Miniature Circuit BreakersYBJULT 110V / 120V Available, Thermal Magnetic Trip, 2Pole 16Amp AC 400V Circuit Breaker, DIN Rail, Overload Short-Circuit Prot Miniature Circuit BreakersLegrand Legrand, RX3 Circuit Breaker Thermal Magnetic Circuit Breaker C-Characteristic, 16A, 3-Pole, 6000A Breaking Capacity, 40 Use: our thermal magnetic circuit breaker is used to protect wiring systems against overload and short circuit and can aYBJULT 3P Thermal Magnetic Circuit Breaker GV2PM07C Motor Protection Switch Knob Control Setting Current Range 1.6-2.5A 100KA Miniature Circuit BreakersYBJULT 110V / 120V Available, Thermal Magnetic Trip, 2Pole 20Amp AC 400V Circuit Breaker, DIN Rail, Overload Short-Circuit Prot Miniature Circuit BreakersYDuupxe YDuupxe 6-10A Thermal Magnetic Circuit Breaker Motor Protector Switch Knob Type AC690V with Silver Alloy Contact for DIN [Precise Wide Current Range Adjustment] Featuring a knob type design this motor circuit breaker offers a precise and easAolidsive Aolidsive Motor Circuit Breaker, Thermal Magnetic Trip Motor Protection Switch, 2.54A DIN Rail Mount for Industrial Cont [Reliable Protection]Thermal magnetic trip mechanism ensures reliable motor protection against overload and short circuiDpofirs Dpofirs Motor Thermal Magnetic Circuit Breaker Manual Starter Button Reliable Motor Protection AC690V (GV2-ME10 4-6.3A) [ENSURE SAFETY] your motor with timely circuit disconnection to prevent damageGeneric GV2 PM Motor Circuit Breaker, Thermal Magnetic Circuit Breaker Motor Protective Manual Motor Starter, Knob Control Motor MOTOR PROTECTING: The motor circuit breaker can disconnect the circuit in time to prevent damage caused by overload, theYUKERMARB YUKERMARB Molded Box/Cover Circuit Breaker, Thermal Magnetic Protection, 2 Pole 50A for Load Centers and Electrical Pane [Compact Design]Standard 3/4in plug on design makes installation simple for residential and commercial use.Legrand LEGRAND, RX3 Circuit Breaker Thermal Magnetic Circuit Breaker B-Characteristic, 25A, 3-Pole, 6000A Breaking Capacity, 40 Use: our thermal magnetic circuit breaker is used to protect wiring systems against overload and short circuit and can aDepisuta Depisuta Motor Circuit Breaker, 78A Magnetic Tripping 4-6.3A Thermal Release AC690V Electric Motor Circuit Breaker, Ther [Overload Protection] Safeguards motors by instantly disconnecting circuits during overload conditions to prevent damageGeneric Generic Motor Protection Circuit Breaker Reliable 1.6-2.5A Thermal Magnetic Screw Fastening for AC690V 50/60Hz Usage [MOTOR PROTECTION] This circuit breaker prevents overload damage, ensuring your motor's longevityEosnow Eosnow Circuit Breaker, 30A Fireproof Plug On Molded Box/Cover Circuit Breaker Thermal Magnetic Guard for Miniature Comm [CH Circuit Breaker] This 3/4 inch plug on molded Box/Cover circuit breaker is a direct replacement for Cutler Hammer loHyuduo Hyuduo Motor Circuit Breaker, Thermal Magnetic Type, 2.54A DIN Rail Mount, Ideal for Industrial Motor Control Systems [Reliable Protection]Thermal magnetic trip mechanism provides efficient motor protection against overload and short circSpacnana Thermal Magnetic Motor Circuit Breaker, DIN Rail Mount 2.54A Industrial Motor Protection Switch for AC690V Control Syste [ROBUST MOTOR PROTECTION] Designed to industrial motors by efficiently interrupting power overloads. Features a thermalLHaefydore Electric Motor Circuit Breaker, Motor Protective Circuit Breaker with Thermal Magnetic Trip, Knob Type Manual Motor Star Thermal Magnetic Protection: This electric motor circuit breaker combines thermal and magnetic tripping mechanisms to inVELATEMOR VELATEMOR AC690V Motor Protection Circuit Breaker | Thermal Magnetic Manual Starter Rail Mount Overload (GV2-ME10 4-6.3A MOTOR PROTECTION: The motor circuit breaker can disconnect the circuit in time to prevent damage caused by overload, theYBJULT 0.63‑1A Motor Circuit Breaker Thermal Magnetic 35mm DIN Rail Manual Motor Starter Button AC690V Miniature Circuit BreakersMarhynchus Marhynchus Motor Circuit Breaker, GV2PM20 Thermal Magnetic Circuit Breaker, Short Protecting Switch Din Rail Mount, Ther [Prevent Damage from Overload] The motor circuit breaker disconnects the circuit promptly to your motor and prolong itsEJXXVNIEB GV2P Thermal-Magnetic Circuit Breakers GV2P06 GV2P07 GV2P08 GV2P10 GV2P14(GV2P06) Circuit BreakersViaGasaFamido ViaGasaFamido Circuit Breaker, 30A 2P Plug On Molded Case with Thermal Magnetic Technology for Cutler Hammer Load Center [Efficient Operation] Thermal magnetic trip technology minimizes nuisance tripping and responds promptly to short circuiAstraLoom Motor Circuit Breaker Thermal Magnetic 35mm DIN Rail Manual Motor Starter Button AC690V for Industrial Motor Protection [MOTOR PROTECTION] Safeguard your industrial motors with this thermal magnetic circuit breaker, designed to interrupt ciSENECESLI SENECESLI Thermal Magnetic Circuit Breaker Knob Type Motor Protector Switch AC690V- Silver Contact for Secure Connection [PREMIUM MATERIALS] Made with Mystical/Fantasy retardant PC Cover for durability and safety.Badafaci Badafaci Motor Circuit Breaker AC690V, Thermal Magnetic Overload Protection Switch, Easy Installation for Various Motors [Reliable Operation]Our motor circuit breaker AC690V provides stable performance and long-term reliability for various mPomya Pomya Thermal Magnetic Circuit Breaker Knob Type Motor Protector Switch AC690V- Silver Contact for Secure Connection- Su [PREMIUM MATERIALS] Made with Mystical/Fantasy retardant PC Cover for durability and safety.Depisuta Depisuta Motor Circuit Breaker, Thermal Magnetic Release 6KV 35mm Rail Mount Breaker, Button Control with AC-3 Class 50/ [Safety and Peace of Mind] With built-in safeguards against short circuits, high temperatures, and electrical faults, thEJXXVNIEB GV2P Thermal-Magnetic Circuit Breakers GV2P16 GV2P20 GV2P21 GV2P22 GV2P32(GV2P22) Circuit BreakersSpacnana Spacnana Motor Protection Circuit Breaker, Thermal Magnetic with 6KV Voltage Protection for AC-3 Class Equipment [Thermal Magnetic Protection]Provides reliable circuit protection against overload and short-circuit, ensuring motor safAolidsive Aolidsive Motor Protector Circuit Breaker, Thermal Magnetic Trip, 2.5-4A AC690V Motor Switch for Industrial Applications [Efficient Overload Protection]Thermal magnetic trip design protects motors from overload and short circuits, ensuring rMulti-Wits Electric Motor Circuit Breaker, Thermal Magnetic Trip Motor Protector Switch, 35mm DIN Rail Mount Knob Type Circuit Brea Thermal Magnetic Trip Protection: This electric motor circuit breaker combines thermal and magnetic trip mechanisms to iMarhynchus Marhynchus Electric Motor Thermal Magnetic Circuit Breaker Motor Protection Switch 32A 2 Pole DIN Rail Mount with Therma [Safe and Efficient] This motor protection switch safeguards your equipment from high temperatures and electrical faultsGeneric Generic 25-40A Motor Circuit Breaker, Overload Protection 35mm Rail Mount Thermal Magnetic Circuit Breaker with Manual M High Reliability: Tested and validated multiple times, the motor circuit protector ensures reliability, stability, and lAolidsive Aolidsive Motor Protective Circuit Breaker, ABS Material, 4-6.3A Thermal Magnetic Control, Ideal for Industrial Motor Ap [Thermal Magnetic Protection]The motor circuit breaker features thermal magnetic tripping, ensuring reliable protectionMXNKLJ Electric Motor Thermal Magnetic Circuit Breaker Knob Type GV2PM01C GV2PM02C GV2PM03C GV2PM04C GV2PM05CGV2PM06C~GV2PM32C( Miniature Circuit BreakersMXNKLJ Electric Motor Thermal Magnetic Circuit Breaker Knob Type GV2PM01C GV2PM02C GV2PM03C GV2PM04C GV2PM05CGV2PM06C~GV2PM32C( Miniature Circuit BreakersCocoarm Cocoarm Motor Protection Circuit Breaker PA66 Push Button Thermal Magnetic Motor Circuit Breaker 690V 25 to 40A 10000 Cy [Motor Protection]Motor protection circuit breaker is designed for short circuit protection of various motors in industrSpacnana Spacnana Knob Type Motor Circuit Breaker, Thermal Magnetic Protection Switch AC690V 1-1.6A for Electric Motors [Thermal Magnetic Trip]Includes knob type thermal magnetic trip system for reliable motor protection.YBJULT Type C 2P 1A(1-63A) Thermal Magnetic Miniature Circuit Breaker Electrical Air Switch 400VAC 50HZ 6KA Miniature Circuit BreakersAlcheLHymist Motor Circuit Breaker 0.63‑1A, Knob Type Thermal Magnetic Trip Circuit Breaker, Adjustable Motor Protecting Switch with Adjustable Current Range: This motor circuit breaker offers a precise 0.63‑1A adjustable current range via a user-friendLxwythozoan Motor Circuit Breaker 0.63‑1A, Knob Type Thermal Magnetic Trip Circuit Breaker, Motor Protecting Switch with 35mm DIN Ra Knob Type Thermal Magnetic Trip: This motor circuit breaker features a knob type thermal magnetic trip mechanism that inLHaefydore Electric Motor Circuit Breaker, Thermal Magnetic Trip Motor Protector Switch, 35mm DIN Rail Mount Knob Type Circuit Brea Thermal Magnetic Trip Protection: This electric motor circuit breaker combines thermal and magnetic trip mechanisms to iAolidsive Aolidsive Knob Type Motor Circuit Breaker, Thermal Magnetic Protection Switch AC690V 1-1.6A for Industrial Applications [Motor Protection]Designed for reliable motor protection with thermal magnetic trip features to prevent overload.Marhynchus Marhynchus Motor Circuit Breaker, Thermal Magnetic Knob Type Switch, Adjustable Current 0.63 to 1A for AC690V Systems [Reliable Motor Protection]This thermal magnetic motor circuit breaker features a robust knob type trip mechanism to guaOdorkle Odorkle Thermal Magnetic Protective Circuit Breaker for Electric Motor with Manual Starter, AC690V 4‑6.3A, Knob Type System: Equipped with a thermal magnetic system, this electric motor circuit breaker can prevent the exposure of overheaGENERIC Knob Type Thermal Magnetic Motor Circuit Breaker, Electric Motor Protective Circuit Breaker AC690V 4-6.3A, Manual Motor Durable Construction: Built with high-quality insulating materials and robust internal components, the manual motor starBesshepplo Besshepplo 1 Piece Motor Circuit Breaker Thermal Magnetic Motor Circuit Breaker DIN Rail Mounted Industrial Protection D Multi-Wits GV2PM10 Electric Motor Circuit Breaker, Thermal Magnetic Motor Protective Circuit Breaker, Manual Motor Starter Button K MULTIFUNCTIONAL PROTECTION: The GV2PM10 electric motor circuit breaker safeguards your motor by instantly disconnectingViaGasaFamido ViaGasaFamido Knob Type Motor Circuit Breaker, Reliable Thermal Magnetic Protection for Electric Motors, 11.6A AC690V fo [Reliable Motor Protection] your motors from overloads and short circuits with advanced thermal magnetic trip mechanism.TOPINCN TOPINCN Thermal Magnetic Motor Circuit Breaker for Long Term Operation AC690V (GV2-ME14 6-10A) [ MATERIAL] Made of durable materials for long-lasting performance and protectionJeffergarden Jeffergarden Motor Protector Circuit Breaker Button Control Motor Overload Protector Thermal Magnetic Release Starter AC Current Setting Dial: Motor protection circuit breaker has a precise current setting dial, the overall current is continFloolinct Motor Circuit Breaker 0.631A Knob Type Thermal Magnetic Trip DIN Rail Mount for AC690V Motor Protection EFFECTIVE MOTOR PROTECTION: Features knob-type thermal magnetic trip mechanism to safeguard motors against short circuit