Ningbo Macwey Industrial Technology Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 20000 pcs |
| Delivery Time | 20 days |
| Packaging Details | carton & pallet |
| Name | LV Circuit Breaker |
| Rated insulation voltage | 1000V |
| Rated operating voltage | 400V |
| Current rating | up to 800A |
| Brand Name | MacweyTEK |
| Model Number | MKLB-L |
| Certification | CE, CCC |
View Detail Information
Explore similar products
63A 32A MCCB Circuit Breaker 50Hz 3 Phase Circuit Breakers For Industrial Power
AC / DC Molded Case Circuit Breaker 250A - 800A MCCB Breaker For AC 1140V and DC
CE Certificated LV Circuit Breaker Moulded Case Electronic Circuit Breaker 63A
1P 2P 3P 4P Miniature Circuit Breakers 16A 32A 10ka MCCB Circuit Breakers
Product Specification
| Payment Terms | T/T | Supply Ability | 20000 pcs |
| Delivery Time | 20 days | Packaging Details | carton & pallet |
| Name | LV Circuit Breaker | Rated insulation voltage | 1000V |
| Rated operating voltage | 400V | Current rating | up to 800A |
| Brand Name | MacweyTEK | Model Number | MKLB-L |
| Certification | CE, CCC | ||
| High Light | High Capacity LV Circuit Breaker ，125A MCCB Molded Case Circuit Breaker ，630A MCCB Molded Case Circuit Breaker | ||
High Quality OEM ODM MCCB Molded Case Residual Current Circuit Breaker 125A 400A 630A 800A 1250A 3P 4P
Scope of application The MKLB-L series moulded case circuit breaker with residual current protection (hereinafter referred to as residual current circuit breaker)is suit table for infrequent switching and motor starting inAC 50Hz(or 60Hz)circuits with rated insulation voltage of 1000V rated operating voltage of 400V and rated operating current of 630A(800A).The circuit breaker has overload,short circuit,and under voltage protection functions,which can protect the circuit and power equipment from damage;meanwhile,it can provide indirect
contact protection for people and also provide protection against potential fire hazards caused by long-term grounding faults that cannot be detected by over current protection.When other protective devices fail.,the MKLB-L residual current circuit breaker with rated residual operating current of 30mA can directly provide additional protection.
◎ The circuit breakers are classified into L-type and M-type according to their rated ultimate short-circuit breaking capacity.
◎ The circuit breaker has the characteristics of small volume,high breaking capacity,short arc and high vibration resistance.
◎ The circuit breaker can be installed vertically(i.e.upright)or horizontally(i.e.transversely).
◎ The circuit breaker has isolation function,and its corresponding symbolis“— ”
◎ The circuit breaker complies with the standards of IEC60947-2,GB14048.2 and Appendix B for circuit reakers with residual current protection.
◎ The circuit breaker doesn'tallow reverse wiring,that is,only 1,3,and 5 are allowed to connect to the power line, and 2,4,and 6 are allowed to connect to the load line.
◎ Reverse wiring can be customized if needed.
|
Rated frame current Inm(A) |
125 |
250 |
400 |
630800 |
||||||
|
Rated current IN,40℃ |
16A,20A,25A,32A,40A. 50A,63A,80A,100A,125A |
100,125,140,160, 180,200,225,250, |
225,250,315, 350,400 |
400,500,630,800 |
||||||
|
Rated insulation voltage Ui(V) |
1000 |
1000 |
1000 |
1000 |
||||||
|
Rated impulse withstand voltage Uimp(kv) |
12 |
12 |
12 |
12 |
||||||
|
Rated operating voltage Ue(V), AC 50/60Hz |
400 |
400 |
400 |
400 |
||||||
|
Rated residual operating current |
Type l |
30,100,300MA |
30,100,300MA |
100,300,500MA |
100,300,500MA |
|||||
|
|
Type l |
100,300,500MA |
100,300,500MA |
300,500,1000MA |
300,500,1000MA |
|||||
|
Rated residual non-operating current |
I△nx50% |
|||||||||
|
Rated residual short circuit making(breaking)capacity |
Icux25% |
|||||||||
|
Selective category |
A |
A |
A |
A |
||||||
|
Arc distance(mm) |
≤50 |
≤50 |
≤100 |
≤100 |
||||||
|
Operating performance (time) |
Electrical life (power-on) |
3000 |
3000 |
1500 |
1500 |
|||||
|
|
Mechanicallife (power-off) |
7000 |
7000 |
5000 |
5000 |
|||||
|
Breaking capacity level |
L |
M |
L |
M |
L |
M |
L |
M |
||
|
Number of poles |
2P |
■ |
■ |
■ |
■ |
- |
- |
- |
- |
|
|
|
3P |
■ |
■ |
■ |
■ |
■ |
■ |
■ |
■ |
|
|
|
4P |
■ |
■ |
■ |
■ |
■ |
■ |
■ |
■ |
|
|
Ratedultimate short circuit breaking capacitylcu(KA) |
Ue=AC400V |
35 |
75 |
35 |
75 |
50 |
85 |
50 |
85 |
|
|
Ratedservice short circuit breaking capacityIcs(KA) |
Ue=AC400V |
22 |
50 |
22 |
50 |
35 |
65 |
35 |
65 |
|
|
Overall dimensions |
W ) |
2P |
62 |
72 |
|
|
||||
|
|
|
3P |
92 |
107 |
150 |
210 |
||||
|
|
|
4P |
122 |
142 |
198 |
280 |
||||
|
|
H |
150 |
165 |
257 |
280 |
|||||
|
|
D |
2P |
74 |
89 |
71 |
88 |
|
|
||
|
|
|
3P |
73 |
89 |
71 |
88 |
105 |
112 |
||
|
|
|
4P |
75.5 |
92.5 |
73.5 |
92 |
107 |
114 |
||
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2013
Total Annual:
$31000000-$35000000
Employee Number:
>218
Ecer Certification：
Verified Supplier
Ningbo Macwey Industrial Technology Co., Ltd. is a manufacturer specializes in R&D ,manufacturing and sales of MV&HV switching equipment and electrical accessories,which applied in voltage range from 10kV to 40.5kV, widely used in power transmission and distribution.The company is lo... Ningbo Macwey Industrial Technology Co., Ltd. is a manufacturer specializes in R&D ,manufacturing and sales of MV&HV switching equipment and electrical accessories,which applied in voltage range from 10kV to 40.5kV, widely used in power transmission and distribution.The company is lo...
Get in touch with us
Leave a Message, we will call you back quickly!