Westhomes GV2 MPCB Motor Protection Circuit Breaker | 0.1A–32A Thermal-Magnetic
Westhomes GV2 series MPCB with thermal-magnetic protection. Covers 0.1A–32A, 3-phase capability, robust long-distance switching, and versatile screw or rail mounting.
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GV2 MPCB Motor Protection Circuit Breaker
Westhomes GV2 series MPCB with thermal-magnetic protection. Covers 0.1A–32A, 3-phase capability, robust long-distance switching, and versatile screw or rail mounting.
The Westhomes GV2 Motor Protection Circuit Breaker (MPCB) delivers comprehensive thermal-magnetic protection for industrial motors and power circuits. Designed as a brand-new original unit, this GV2PM series device combines precise overload protection with instantaneous short-circuit interruption, ensuring reliable safeguarding of 3-phase AC systems.
Key Features：
Comprehensive Current Coverage: Adjustable from 0.1A to 32A, enabling precise protection for small to medium industrial motors with a single device series.
Thermal-Magnetic Trip Mechanism: Combines inverse-time overload protection with instantaneous short-circuit interruption for complete motor safeguarding.
Dual Installation Flexibility: Supports both screw-type panel mounting and standard 35mm DIN rail attachment to suit diverse control cabinet configurations.
Long-Distance Switching Reliability: Engineered to deliver consistent tripping performance and stable operation even when installed remotely from the main control interface.
Applications:
Machine Tool Equipment
Conveyor Systems
Packaging Machinery
TECHNICAL PARAMETERS
GV2-M20 MOTOR WITH THERMAL MAGNETIC PROTECTIVE AIR SWITCH
| PUSH BUTTON CONTROL OR TRANSFER SWITCH CONTROL | ||||||||
| 50/60Hz,AC-3 standard three-phase motor rated power |
Thermal trip setting range |
Magnetic trip current |
Ithe current with case |
Model (button control) |
Weight | |||
| 230V | 400V | 415V | 440V | |||||
| kW | kW | kW | kW | A | A | A | kG | |
| 一 | 一 | 一 | 一 | 0.1~0.16 | 1.5 | 0.16 | GV2-M2001 | 0.260 |
| 一 | 一 | 一 | 一 | 0.16~0.25 | 2.4 | 0.25 | GV2-M2002 | 0.260 |
| 一 | 一 | 一 | 一 | 0.25~0.40 | 5 | 0.40 | GV2-M2003 | 0.260 |
| 一 | 一 | 一 | 一 | 0.40~0.63 | 8 | 0.63 | GV2-M2004 | 0.260 |
| 一 | 一 | 一 | 0.37 | 0.63~1 | 13 | 1 | GV2-M2005 | 0.260 |
| 一 | 0.37 | 一 | 0.55 | 1~1.6 | 22.5 | 1.6 | GV2-M2006 | 0.260 |
| 0.37 | 0.75 | 0.75 | 1.1 | 1.6~2.5 | 33.5 | 2.5 | GV2-M2007 | 0.260 |
| 0.75 | 1.5 | 1.5 | 1.5 | 2.5~4 | 51 | 4 | GV2-M2008 | 0.260 |
| 1.1 | 2.2 | 2.2 | 3 | 4~6.3 | 78 | 6.3 | GV2-M2010 | 0.260 |
| 2.2 | 4 | 4 | 4 | 6~10 | 138 | 9 | GV2-M2014 | 0.260 |
| 3 | 5.5 | 5.5 | 7.5 | 9~14 | 170 | 13 | GV2-M2016 | 0.260 |
| 4 | 7.5 | 9 | 9 | 13~18 | 223 | 17 | GV2-M2020 | 0.260 |
| 5.5 | 11 | 11 | 11 | 17~23 | 327 | 21 | GV2-M2021 | 0.260 |
| 5.5 | 11 | 11 | 11 | 20~25 | 327 | 23 | GV2-M2022 | 0.260 |
| 7.5 | 15 | 15 | 15 | 24~32 | 416 | 24 | GV2-M2032 | 0.260 |
Note: GV2-M20 is the same as GV2-ME14
GV2-RS32 MOTOR WITH THERMAL MAGNETIC PROTECTIVE AIR SWITCH
| TRANSFER SWITCH CONTROL | |||||||
| 50/60Hz,AC-3 Standard rated power of three-phase motor |
Thermal trip setting range |
Magnetic trip current(ld±20%) |
Model (transfer switch control) |
Weight | |||
| 230V | 400V | 415V | 440V | ||||
| kW | kW | kW | kW | A | A | A | kG |
| 一 | 一 | 一 | 一 | 0.1~0.16 | 1.5 | GV2-RS3201 | 0.260 |
| 一 | 一 | 一 | 一 | 0.16~0.25 | 2.4 | GV2-RS3202 | 0.260 |
| 一 | 一 | 一 | 一 | 0.25~0.40 | 5 | GV2-RS3203 | 0.260 |
| 一 | 一 | 一 | 一 | 0.40~0.63 | 8 | GV2-RS3204 | 0.260 |
| 一 | 一 | 一 | 0.37 | 0.63~1 | 13 | GV2-RS3205 | 0.260 |
| 一 | 0.37 | 一 | 0.55 | 1~1.6 | 22.5 | GV2-RS3206 | 0.260 |
| 0.37 | 0.75 | 0.75 | 1.1 | 1.6~2.5 | 33.5 | GV2-RS3207 | 0.260 |
| 0.75 | 1.5 | 1.5 | 1.5 | 2.5~4 | 51 | GV2-RS3208 | 0.260 |
| 1.1 | 2.2 | 2.2 | 3 | 4~6.3 | 78 | GV2-RS3210 | 0.260 |
| 2.2 | 4 | 4 | 4 | 6~10 | 138 | GV2-RS3214 | 0.260 |
| 3 | 5.5 | 5.5 | 7.5 | 9~10 | 170 | GV2-RS3216 | 0.260 |
| 4 | 7.5 | 9 | 9 | 13~18 | 223 | GV2-RS3220 | 0.260 |
| 5.5 | 11 | 11 | 11 | 17~23 | 327 | GV2-RS3221 | 0.260 |
| 5.5 | 11 | 11 | 11 | 20~25 | 327 | GV2-RS3222 | 0.260 |
| 7.5 | 15 | 15 | 15 | 24~32 | 416 | GV2-RS3232 | 0.260 |
GV2-LS32 MOTOR WITH THERMAL MAGNETIC PROTECTIVE AIR SWITCH
| TRANSFER SWITCH CONTROL | ||||||||
| 50/60Hz,AC-3 Standard rated power of three-phase motor |
Protection rating |
Magnetic trip current (ld±20%) |
With JRS4-d overload relay |
Model (button control) |
Weight | |||
| 230V | 400V | 415V | 440V | |||||
| kW | kW | kW | kW | A | A | kG | ||
| 一 | 一 | 一 | 一 | 0.4 | 5 | JRS4-1303d | GV2-LS3203 | 0.330 |
| 一 | 一 | 一 | 一 | 0.63 | 8 | JRS4-1304d | GV2-LS3204 | 0.330 |
| 一 | 一 | 一 | 0.37 | 1 | 13 | JRS4-1305d | GV2-LS3205 | 0.330 |
| 一 | 0.37 | 一 | 0.55 | 1.6 | 22.5 | JRS4-1306d | GV2-LS3206 | 0.330 |
| 0.37 | 0.75 | 0.75 | 1.1 | 2.5 | 33.5 | JRS4-1307d | GV2-LS3207 | 0.330 |
| 0.75 | 1.5 | 1.5 | 1.5 | 4 | 51 | JRS4-1308d | GV2-LS3208 | 0.330 |
| 1.1 | 2.2 | 2.2 | 3 | 6.3 | 78 | JRS4-1310d | GV2-LS3210 | 0.330 |
| 2.2 | 4 | 4 | 4 | 10 | 138 | JRS4-1314d | GV2-LS3214 | 0.330 |
| 3 | 5.5 | 5.5 | 7.5 | 14 | 170 | JRS4-1316d | GV2-LS3216 | 0.330 |
| 4 | 7.5 | 9 | 9 | 18 | 223 | JRS4-1321d | GV2-LS3220 | 0.330 |
| 5.5 | 11 | 11 | 11 | 25 | 327 | JRS4-1322d | GV2-LS3222 | 0.330 |
| 7.5 | 15 | 15 | 15 | 32 | 6 | JRS4-2355d | DZS32-LS3232 | 0.330 |
GV3-ME50C MOTOR WITH THERMAL MAGNETIC PROTECTIVE AIR SWITCH
| BUTTON CONTROL | |||||||
| 50/60Hz,AC-3 Standard rated power of three-phase motor |
Thermal trip setting range |
Magnetic trip current (ld±20%) |
Model (button control) |
Weight | |||
| 230V | 400V | 415V | 440V | ||||
| kW | kW | kW | kW | A | A | kG | |
| 一 | 0.37 | 一 | 0.55 | 1~1.6 | 19.2 | GV3-ME50C06 | 0.600 |
| 0.37 | 0.75 | 1.1 | 1.1 | 1.6~2.5 | 30 | GV3-ME50C07 | 0.600 |
| 0.75 | 1.5 | 1.5 | 1.5 | 2.5~4 | 48 | GV3-ME50C08 | 0.600 |
| 1.1 | 2.2 | 2.2 | 3 | 4~6 | 72 | GV3-ME50C10 | 0.600 |
| 2.2 | 4 | 4 | 4 | 6~10 | 120 | GV3-ME50C14 | 0.600 |
| 4 | 7.5 | 7.5 | 7.5 | 10~16 | 192 | GV3-ME50C20 | 0.600 |
| 5.5 | 11 | 11 | 11 | 16~25 | 300 | GV3-ME50C25 | 0.600 |
| 1 | 18.5 | 22 | 22 | 25~40 | 480 | GV3-ME50C40 | 0.700 |
| 15 | 30 | 33 | 33 | 40~63 | 756 | GV3-ME50C63 | 0.700 |
| 22 | 40 | 45 | 45 | 56~80 | 960 | GV3-ME50C80 | 0.700 |
Note: GV3-ME50C is the same as GV3-M50C
WIRING DIAGRAM
Packaging and delivery
| Selling Units | Single item |
Lead time
| Quantity (pieces) | 1 – 100 | > 100 |
| Lead time (days) | 10 | To be negotiated |
Key attributes
| Breaking Capacity | 100 kA |
| Type | Mini |
| Application | Motor Protection, Industrial |
| Material | Copper |
| Model Number | GV2PM |
| Poles Number | 3 |
| BCD Curve | C |
| Mounting type | Din Rail Mount |
| Place of Origin | Zhejiang, China |
| Brand Name | Westhomes |
Related: What is TMA in MCCB, which covers thermal magnetic step by step.
155 MBFREQUENTLY ASKED QUESTION (FAQ)
What is the Westhomes GV2 MPCB Motor Protection Circuit Breaker?
The Westhomes GV2 MPCB Motor Protection Circuit Breaker is a motor protection device designed to protect low-voltage motors from overload, short-circuit, and phase failure conditions. It combines motor switching and protection functions in one compact device for industrial motor control systems.
What does MPCB mean in the GV2 Motor Protection Circuit Breaker?
MPCB stands for Motor Protection Circuit Breaker. Unlike general circuit breakers, an MPCB is specially designed for motor applications and provides protection based on motor operating characteristics, including starting current and overload conditions.
What protection functions does the GV2 MPCB provide?
The GV2 MPCB provides thermal overload protection and magnetic short-circuit protection. The thermal function protects motors from excessive current over a long period, while the magnetic function quickly disconnects the circuit during short-circuit faults.
What is the current range of the GV2 MPCB Motor Protection Circuit Breaker?
The GV2 MPCB series is available with adjustable current settings to match different motor ratings. Users can select the appropriate current range according to the motor’s rated current, power, and application requirements.
What applications are suitable for the GV2 MPCB?
The GV2 MPCB is widely used in industrial motor applications, including pumps, fans, compressors, conveyor systems, machine tools, and automation equipment. It is commonly installed in motor control panels and low-voltage distribution systems.
What is the difference between an MPCB and an MCB?
An MPCB is specifically designed for motor protection and can handle motor starting characteristics and overload conditions. An MCB is mainly used for general circuit protection and is not optimized for protecting motors from operational stresses.
Can the GV2 MPCB be used with a contactor?
Yes. The GV2 MPCB can be combined with a contactor to create a complete motor starter solution. This configuration provides manual motor switching, overload protection, short-circuit protection, and remote control capability.
How do I select the correct GV2 MPCB for a motor?
The correct GV2 MPCB should be selected based on the motor’s rated current, operating voltage, power rating, and working environment. The adjustable protection setting should be close to the motor’s full-load current to ensure reliable protection.
Does the GV2 MPCB provide protection against motor overheating?
Yes. The thermal overload protection function of the GV2 MPCB helps protect motors from overheating caused by prolonged overcurrent conditions, reducing the risk of insulation damage and motor failure.
Why choose the Westhomes GV2 MPCB Motor Protection Circuit Breaker?
The Westhomes GV2 MPCB offers reliable motor protection, compact design, adjustable current settings, and combined thermal and magnetic protection functions. It provides an effective solution for improving motor safety, reducing downtime, and extending the service life of industrial equipment.
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