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MGB-63M-DC Series

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# MGB-63M-DC Series

Products Overview of Circuit Breakers

Product name DC MCB

| Product range | MGB-63M-DC |
| --- | --- |
| Product picture |  |
| Standard | IEC/EN 60947-2 |
| Number of poles | 1P,2P,3P,4P |
| Electrical characteristics |  |
| Rated current(A) In | 1-63 |
| Rated voltage(V) | DC 120,240 |
| AC rated shor-t circuit capacity(kA) |  |
| Breaking capacity (Icn/Icu)kA | 6 |
| Tripping curev | 8-12In |
| Type | DC |
| Electrical auxiliaries | - |
| Catalogue page NO. | 70-73 |

MGB-63M-DC Series Miniature Circuit Breaker Standard Breaking capacity Protection Rated current In

Rated voltage DC:

Ambient temperature (°C)

Characteristic

Number of poles Type of trip Type of terminal

Terminal capacity

Protection degree Installation Width Certiﬁcation

MGB-63M-DC-1P MGB-63M-DC-2P MGB-63M-DC-3P MGB-63M-DC-4P

EN/IEC60947-2 6kA Against overload and short circuit 1,2,3,4,6,10,13,16,20,25,32,40,50,63A Rated voltage Ue(VDC): 1P 250 2P 500 3P 750 4P 1000 Operational volatge(VDC): Min.:12 Max :1P 250 2P 500 -5~+40 Thermal operating limit: (1.05-1.30) x In Magnetic operating: (8-12) x In 1P,2P,3P and 4P Thermal/magnetic release Lug type and Pin type 16mm² ﬂexible or 25mm² rigid up to 25A ratings 25mm² ﬂexible or 35mm² rigid from 32A to 63A ratings IP20 Mounting on 35mm DIN rail 17.8mm per pole

MGB-63M-DC Series Miniature Circuit Breaker

| Curev s |  |  |  |
| --- | --- | --- | --- |
| Overcurrent protecting cha Rated current NO. Initial state of release(A) 1 1-63 cold state upon the 2 1-63 previo In≤32 3 4 1-63 |  |  |  |
|  | racteristics |  |  |
| Endurance(operations) Features Overall and mounting dime |  |  |  |
|  | nsions |  |  |

MGB-63M-DC Series Miniature Circuit Breaker

|  | Rated current(A) | DC type | Packing unit |
| --- | --- | --- | --- |
| MGB-63M-DC-3P us test cold state In>32 cold state | 1 | MGB-63M/3-DC1 | 4 s t up to eadily in 5s |
|  | 2 | MGB-63M/3-DC2 |  |
|  | 3 | MGB-63M/3-DC3 |  |
|  | 4 | MGB-63M/3-DC4 |  |
|  | 6 | MGB-63M/3-DC6 |  |
|  | 10 | MGB-63M/3-DC10 |  |
|  | 13 | MGB-63M/3-DC13 |  |
|  | 16 Test current Spe | MGB-63M/3-DC16 cified time Result to be obtained Remark |  |
|  | 20 1.13In | MGB-63M/3-DC20 t≤1h Non-trip Setting curren |  |
|  | 25 1.45In 1 | MGB-63M/3-DC25 t<1h trip specified value st s<t<60s |  |
|  | 32 2.55In 1s 3In | MGB-63M/3-DC32 trip <t<120s t≤0.1s Non-trip B type |  |
|  | 40 5ln 5In | MGB-63M/3-DC40 t<0.1s trip B type t≤0.1s Non-trip C type |  |
|  | 50 10ln 10In | MGB-63M/3-DC50 t<0.1s trip C type t≤0.1s Non-trip D type |  |
|  | 63 20ln | MGB-63M/3-DC63 t<0.1s trip D type |  |
| MGB-63M-DC-4P Category Electrical endurance Mechanical endurance Much higher short circuit breaking c connection. Improved safety of operat energy-storage operating mechanism. heat-resistant, and impulse-proof prop Different handle color for different rate | 1 | MGB-63M/4-DC1 | 3 ent conductor thanks to -retardant, f products. |
|  | 2 Operations 4000 | MGB-63M/4-DC2 Operation frequency Rated curr 240/h 1-32 |  |
|  | 3 | MGB-63M/4-DC3 120/h 40-63 |  |
|  | 4 10000 | MGB-63M/4-DC4 240/h 1-63 |  |
|  | 6 apacity, Dual-conn | MGB-63M/4-DC6 ection convenient for both standard busbar and |  |
|  | 10 ors offered by spe Enclosure and func | MGB-63M/4-DC10 cial design from terminals. Much longer service life tional parts made from imported plastics with flame |  |
|  | 13 erties.Higher curre d current with con | MGB-63M/4-DC13 nt-limiting capacity ensuring a cost-effective range o tactor condition indicator. |  |
|  | 16 | MGB-63M/4-DC16 |  |
|  | 20 | MGB-63M/4-DC20 |  |
|  | 25 | MGB-63M/4-DC25 |  |
|  | 32 | MGB-63M/4-DC32 |  |
|  | 40 | MGB-63M/4-DC40 |  |
|  | 50 | MGB-63M/4-DC50 |  |
|  | 63 | MGB-63M/4-DC63 |  |

MGB-63M-DC Series Miniature Circuit Breaker Overcurrent protecting characteristics Rated current of release(A) NO. Initial state Test current Specified time Result to be obtained Remarks 1 1-63 cold state 1.05In t≤1h Non-trip upon the previous test Setting current up to specified value steadily in 5s 2 1-63 1.30In t<1h trip In≤32 1s<t<60s cold state 2.55In trip In>32 1s<t<120s 3 12In 8In trip t<0.1s 1-63 cold state C type Non-trip t≤0.1s Endurance(operations)

Category Operations Operation frequency Rated current Electrical endurance 4000 240/h 0.5-32 120/h 40-63 Mechanical endurance 10000 240/h 0.5-63

Features Much higher short circuit breaking capacity, Dual-connection convenient for both standard busbar and conductor connection. Improved safety of operators oﬀered by special design from terminals. Much longer service life thanks to energy-storage operating mechanism.Enclosure and functional parts made from imported plastics with ﬂame-retardant, heat-resistant, and impulse-proof properties. Higher current-limiting capacity ensuring a cost-eﬀective range of products. Diﬀerent handle color for diﬀerent rated current with contactor condition indicator. Overall and mounting dimensions 66.6±0.3 44.3±0.2

45±0.2 81.5

17.8±0.1 53.4±0.1 71.2±0.1 35.6±0.1 SGR-63M-DC