Air circuit breaker WEW1-1600 breaker withdrawable type acb fixed type 400VAC/690VAC 1600 amp 3/4p acb
Key Features of 400V Air Circuit Breakers
400V air circuit breakers are characterized by a range of features that make them well-suited for a diverse array of applications. Some of the key features include:
1. Current Rating: 400V air circuit breakers are available in a wide range of current ratings, typically ranging from 1000A to 7500A. This broad spectrum of current-carrying capacities allows these circuit breakers to cater to the varying needs of different electrical systems, from small-scale installations to large industrial setups.
2. Voltage Rating: As the name suggests, 400V air circuit breakers are designed to operate at a voltage of 400V, making them ideal for low voltage applications commonly found in industrial and commercial settings.
3. Trip Unit: These circuit breakers are equipped with advanced trip units that provide precise and reliable protection against overloads and short circuits. The trip unit is responsible for detecting abnormal electrical conditions and initiating the tripping mechanism to interrupt the current flow when necessary.
4. Breaking Capacity: 400V air circuit breakers are engineered to have high breaking capacities, allowing them to safely interrupt fault currents and protect the electrical system from damage. This feature is crucial in ensuring the overall reliability and safety of the circuit breaker.
5. Modular Design: Many 400V air circuit breakers feature a modular design, which allows for easy installation, maintenance, and expansion of the electrical system. The modular construction also facilitates quick and efficient replacement of components, minimizing downtime and enhancing the overall reliability of the circuit breaker.
Main performance index of WEW1 series circuit breaker
|
WEW1 Moulded Case Circuit Breaker |
1600 | ||||||||||||
Rated operating current In (A),40℃ |
200-400-630-800-1000-1250-1600 | ||||||||||||
| Rated insulation voltage Ui (V) | 1000 | ||||||||||||
| Rated impulse withstand voltage (kV) | 12 | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 400V/690V | ||||||||||||
| Use category | B | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 100%In | ||||||||||||
| Breaking capacity code | M | H | |||||||||||
Number of poles |
3P | ■ | ■ | ||||||||||
| 4P | ■ | ■ | |||||||||||
|
Rated ultimate
short-circuit breaking
capacity Icu (kA)
|
AC380V/400V/415V | 55 | 65 | ||||||||||
| AC690V | 25 | 50 | |||||||||||
|
Rated service breaking
capacity Ics (kA)
|
AC220/230/240V | 42 | 55 | ||||||||||
| AC380/400/415V | 20 | 42 | |||||||||||
Rated short-time withstand
current Icw (kA/1s)
|
AC220/230/240V | 42 | 55 | ||||||||||
| AC380/400/415V | 20 | 42 | |||||||||||
|
Mechanical life
(CO recycle)
|
Maintenance | 20000 | |||||||||||
Electrical life
(CO recycle)
|
AC415V,In | 2000 | |||||||||||
| AC690V,In | 1000 | ||||||||||||
| Standard configuration | Fixed | Drawetry-pe | |||||||||||
| The body of the circuit breaker | ■ | ■ | |||||||||||
| Drawer base | ■ | ■ | |||||||||||
| Intelligent controller | ■ | ■ | |||||||||||
| Upper and lower horizontal connecting wires | ■ | ■ | |||||||||||
| Indicating contact of opening/closing | ■ | ■ | |||||||||||
| Indicating contact of fault tripping | ■ | ■ | |||||||||||
| Auxiliary contact 4NO+4NC | ■ | ■ | |||||||||||
| Electric motor operating mechanism | ■ | ■ | |||||||||||
| Shunt releas | ■ | ■ | |||||||||||
| Optional accessories | |||||||||||||
| Phase partition | Fixed | Drawetry-pe | |||||||||||
| Instantaneous undervoltage release | □ | □ | |||||||||||
| Time-delay undervoltage release | □ | □ | |||||||||||
| Opening and closing button lock | □ | □ | |||||||||||
| Lock for the drawer base | □ | □ | |||||||||||
| Lock for the separation position of the drawer seat | □ | □ | |||||||||||
| Key lock | □ | □ | |||||||||||
| Door interlock | □ | □ | |||||||||||
| Auxiliary contact 6NO+6NC | □ | □ | |||||||||||
| Electric indications of three positions on the drawer base | □ | □ | |||||||||||
| Steel cable interlock | □ | □ | |||||||||||
| Locking interlock | □ | □ | |||||||||||
| Dual power controller | □ | □ | |||||||||||
| External neutral line transformer | □ | □ | |||||||||||
| Zero-sequence transformer | □ | □ | |||||||||||
| Ground current transformer and its accessories | □ | □ | |||||||||||
| Dimension | |||||||||||||
Dimension (mm)
W×H×D
|
Width (3P/4P) | 36.5/46 | 46.5/46 | ||||||||||
| Height | 43/55 | 51/55 | |||||||||||
| Depth | 32.5/42 | 37/42 | |||||||||||
| Weight | |||||||||||||
Weight(kg)/Fixed |
1P | ||||||||||||
| 2P | |||||||||||||
| Weight(kg)/Drawer | 3P | ||||||||||||
| 4P | |||||||||||||
Main performance index of WEW1 series circuit breaker

Door frame size and installation hole spacing
010203040506

JCB1-125
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












