MCCB circuit breaker WLM6-1250A-3300 3P/4P WLM6 Series thermal magnetic type breaker 400V/690V 1250 amp 3/4 Poles
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MCCB Highlights
Thermomagnetic circuit breaker
A thermomagnetic circuit breaker is an electrical protection device that combines both thermal and magnetic mechanisms to provide reliable overcurrent protection in electrical circuits. One of the key features of thermomagnetic circuit breakers is the use of high-quality materials and advanced design to ensure effective and safe operation.
The internal components of thermomagnetic circuit breakers are constructed using high-grade materials such as copper, silver, and high-quality alloys, which enable them to withstand the heat and mechanical stresses generated during overcurrent conditions. This ensures the durability and reliability of the circuit breakers in various applications, from residential to industrial settings.
In terms of safety, thermomagnetic circuit breakers are designed with advanced features such as thermal trip elements and magnetic trip mechanisms. The thermal trip elements respond to sustained overcurrent conditions, while the magnetic trip mechanisms provide instantaneous protection against short-circuit faults. This dual protection mechanism ensures that the circuit breakers can effectively and safely interrupt the flow of current when necessary, preventing damage to electrical equipment and minimizing the risk of fire hazards.
Furthermore, thermomagnetic circuit breakers are designed to comply with international safety standards and regulations, providing users with the assurance that their electrical systems are protected by reliable and certified protection devices.
In conclusion, thermomagnetic circuit breakers are distinguished by their use of high-quality materials, advanced safety features, and compliance with industry standards, making them a trusted choice for ensuring electrical safety and protection in a wide range of applications.
The internal components of thermomagnetic circuit breakers are constructed using high-grade materials such as copper, silver, and high-quality alloys, which enable them to withstand the heat and mechanical stresses generated during overcurrent conditions. This ensures the durability and reliability of the circuit breakers in various applications, from residential to industrial settings.
In terms of safety, thermomagnetic circuit breakers are designed with advanced features such as thermal trip elements and magnetic trip mechanisms. The thermal trip elements respond to sustained overcurrent conditions, while the magnetic trip mechanisms provide instantaneous protection against short-circuit faults. This dual protection mechanism ensures that the circuit breakers can effectively and safely interrupt the flow of current when necessary, preventing damage to electrical equipment and minimizing the risk of fire hazards.
Furthermore, thermomagnetic circuit breakers are designed to comply with international safety standards and regulations, providing users with the assurance that their electrical systems are protected by reliable and certified protection devices.
In conclusion, thermomagnetic circuit breakers are distinguished by their use of high-quality materials, advanced safety features, and compliance with industry standards, making them a trusted choice for ensuring electrical safety and protection in a wide range of applications.
Main performance index of WLM6 series circuit breaker
|
WLM6 Moulded Case Circuit Breaker |
1250 | |||||||||||
Rated operating current In (A),40℃ |
Magnetic Type | 630-700-800-1000-1250 | ||||||||||
| Thermal-magnetic type | 630-700-800-1000-1250 | |||||||||||
| Adjustable type | 630-700-800-1000-1250 | |||||||||||
| Electric characteristics | ||||||||||||
| Rated insulation voltage Ui (V) | 1000 | |||||||||||
| Rated impulse withstand voltage (kV) | 8 | |||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 380/400/415,440,500,660/690 | |||||||||||
| Breaking capacity code | S | M | H | |||||||||
| Number of poles | 1P(Adjutable has no this type) | - | - | - | ||||||||
| 2P | - | - | - | |||||||||
| 3P | ■ | ■ | ■ | |||||||||
| 4P | ■ | ■ | ■ | |||||||||
| Number of poles | AC220/230/240V | 60 | 80 | 85 | ||||||||
| AC380/400/415V | 50 | 70 | 100 | |||||||||
| AC440V | - | - | - | |||||||||
| AC500V | - | - | - | |||||||||
| AC660/690V | 20 | 25 | 35 | |||||||||
| Number of poles | AC220/230/240V | 40 | 65 | 70 | ||||||||
| AC380/400/415V | 35 | 50 | 70 | |||||||||
| AC440V | - | - | - | |||||||||
| AC500V | - | - | - | |||||||||
| AC660/690V | 10 | 15 | 20 | |||||||||
| Standard | ||||||||||||
| Utilization category | A(Thermal-magnetic)/B(Electronic) | |||||||||||
| Ambient temperature | ||||||||||||
| Safety of insulation | ■ | |||||||||||
| Arcing distance | 0 | |||||||||||
|
Mechanical life
(CO recycle)
|
Maintenance | 8000 | ||||||||||
|
Electrical life
(CO recycle)
|
AC415V,In | 1000 | ||||||||||
| AC690V,In | 800 | |||||||||||
| Release units | ||||||||||||
Distribution protection |
TM | ■ | ||||||||||
Motor protection |
TM | ■ | ||||||||||
| Mounting and connection | ||||||||||||
Fixed |
Front connection | - | ||||||||||
| Rear connection | ■ | |||||||||||
Plug-in |
Front connection | - | ||||||||||
| Rear connection | - | |||||||||||
| Draw-out | Front connection | ■ | ||||||||||
| Rear connection | ■ | |||||||||||
DIN rail |
Front connection | - | ||||||||||
| Dimension | ||||||||||||
Dimension (mm)
W×H×D
|
Width (1P/2P/3P/4P) | 210/280 | ||||||||||
| Height | 275.5 | |||||||||||
| Depth | 103 | |||||||||||
| Weight | ||||||||||||
Distribution protection |
1P | - | ||||||||||
| 2P | - | |||||||||||
| 3P | 8.9 | |||||||||||
| 4P | 11.931 | |||||||||||
Overall and installation dimensions of circuit breaker

010203040506

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JCB2-40M
JCB3-63DC
JCB3-80H
JCB3-80M
JCBH-125
JC125-4P
JCMX
JCSD
JCOF
JCMX1-125
JCOF1-125
JCSD1-125
JCR3HM
JCRD2-125
JCRD4-125
JCRB2-100
JC3RH-2P
JC3RH-S
JC3RH-B
JC3RH-BS
JCR2-63
JCR1-40
JCB2LE-80M
JCB2LE-80M
JCB2LE-80M
JCB2LE-40M
JCB1LE-125
JCB3LM-80
JCH2-125
JCH2-125
CJX2
CJ19
JCMCU
JCHA
JCSD-40
JCSD-60
JCSP-40
JCSP-60
JCSPV
WEW1-1000
WEW1-1600
WEW1-2000
WEW1-3200
WEW1-4000
WEW1-6300
DC6-125
AX-400-1250
AXAL-400-1250A
AL-400-1250
DC3-160
AXS-400-1250A
SHT-125-160
UVT-125-160A
P-250A-3P-A
400-3P/4P terminal cover
1250-3Pmccb accessories busbar
250-3P terminal conver
WLM6-TCV-160A-3P
WLM6-MIP-250A
WLM6-125A-3300 3P/4P
WLM6-160A-3300 3P/4P
WLM6-250A-3300 3P/4P
WLM6-400A-3300 3P/4P
WLM6-630A-3300 3P/4P
WLM6-800A-3300 3P/4P
WLM6-1250A-3300 3P/4P
WLM6-1600A-3300 3P/4P
WLM6-2000A 3P/4P
WLM8-125H-3300
WLM8-250H-3300
WLM8-400H-3300
WLM8-400H-4300
WLM8-630H-3300
WLM8-630H-4300
WLM6RT-125A
WLM6RT-160A
WLM6RT-250A
WLM6RT-400A
WLM6RT-630A
WLM6RT-800A
WLM6RT-1250A
WLM6E-160A-3300 3P
WLM6E-250A-3300
WLM6E-400A-3300 3P/4P
WLM6E-630A-3300
WLM6E-800A-3300 3P/4P
WLM6E-1250A-3300
WLM6E-1600-3300 3P/4P
WLM6E-2000A-3300 3P/4P
WLM8E-250H-3300
WLM8E-400H-3300
WLM8E-400H-4300
WLM8E-630H-3300
WLM8E-630H-4300
WLM6EY-250-3300 3P/4P
WLM6EY-400 3P/4P
WLM6EY-630 3P/4P
WLM6EY-800A 3P/4P
WLM6EY-1250A 3P/4P
WLM6ELY-160A
WLM6ELY-250A
WLM6ELY-400A
WLM6ELY-800A
WLM6ELY-1250A
WLM8EY-250H-3300
WLM8EY-400H-3300
WLM8EY-630H-3300
WLM6LY-125A
WLM6L-160A
WLM6LY-250A
WLM6LY-400A
WLM6LY-800A
WLM6LY-630A
WLM6LY-1250A
WLM8LY-125H-3300
WLM8LY-250H-3300
WLM8LY-400H-3300
WLM8LY-630H-3300
JCB3-63DC
JCB1-125DC
WLM7DC-250A-2300 2P/3P
WLM7DC-315A-3300 2P/3P
WLM7DC-400A-2300 2P/3P
WLM7DC-630A-3300 3P
WLM7DC-800A-2300 2P/3P
WLM7DC-400A 2300
WLM7DC-630A-2300 2P
WLM7HU-250-3300 3P
WLM7HU-315-3300 3P
WLM7HU-400-3300 3P
WLM7HU-630-3300 3P
WLM7HU-800-3300 3P
PV-1500V/250A
WEW3-1600
WEW3-2500
WEW3-4000
WEW3-7500











