Function and use
NM5NEDC high voltage (HV) series DC plastic case circuit breaker (hereinafter referred to as the circuit breaker) is suitable for making, breaking and carrying rated current in circuits with a rated operating voltage of DC1500V and a rated operating current of 63A to 630A, and can reliably protect the lines and electrical equipment in the event of overload or short circuit. Products are widely used in new energy, electric power, infrastructure, industry and other occasions.
Detailed description
Parameters:
Rated working voltage Ue: DC1500V
Rated working current In: 63A-630A
Rated insulation voltage Ui: 1600V
Operating breaking capacity: Ics=100%Icu
Using ambient temperature: -40°C~+70°C
Advantages/core functions:
01 Exquisite and powerful
Unique rapid breaking patented technology, rated operating breaking capacity up to 50kA@DC1500V, effectively reducing the harm of short-circuit current to equipment and circuits
02 Safe and reliable
Standard terminal cover effectively prevents the risk of phase or ground short circuit caused by arc spray, making it safer to use
The first crank slider operating mechanism to meet the long-life use requirements of new energy equipment
03 Easy to use
Miniaturized and modular design, the structure is more compact, and the installation flexibility is improved
The product can realize upper and lower wiring without derating, and wiring is more convenient
Detailed parameters
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| Parameter classification | Parameter items | Parameter values |
|---|
| Product Model | NM5NEDC-320HV | 320 |
| NM5NEDC-400HV | 400< /td> |
| NM5NEDC-630HV | 630 |
| Rated maximum rated current (A) | | 1600 |
| Rated insulation Voltage (U(V)) | | 1600 |
| Rated impulse withstand voltage (Ue(kV)) | | 12 |
| Rated operating voltage (Us/V) | | DC1000/1500 |
| | DC1500 |
| | DC1500 |
| Rated working Current (In/A) | | 53+80+100+125=358 |
| | 180+200+225+250+320=1175 |
| | 315+350+400=1065 |
| | 450+500+630=1580 |
| Release type | | Thermal magnetic type |
| Number of poles | | 2P |
| Breaking capacity code | F | 20 (±10ms) |
| Q | 35(+15ms) |
| F | / |
| Q | / |
| R | / |
| F | 20(±10ms) |
| Q | 25(+15ms) |
| R | / |
| Rated ultimate short-circuit breaking capacity Icu(A) | DC1000V | 15(+5ms) |
| DC1500V | 20 (+10ms) |
| | 25(+5ms) |
| | 36(+5ms) |
| | 50(+5ms) |
| | 36(+5ms) |
| | 50(+5ms) |
| Rated operation Short circuit breaking capacity Ics(A) | DC1000V | 20(+10ms) |
| DC1500V | 20(+10ms) |
| | 25(+5ms) |
| | 36(+5ms) |
| | 25(+5ms) |
| < /td> | | 36(+5ms) |
| | 50(+5ms) |
| Single-pole breaking KA | DC1500V | 3(+5ms) 1) |
| | 3(+5ms) 1) |
| Usage category | | A |
| Working environment temperature | | -40℃～+70℃ |
| Mechanical life | | 20,000 times |
| | 10,000 times |
| | 10,000 times |
| Electrical life | DC1500V | 1,000 times |
| | 1000 times |
| | 1000 times |
| Outline dimensions (mm) (width (W) × height (H) × depth (D) )) | Width | 90 |
| Height (excluding terminals) | 205 |
| Depth | 138 |
| | 100 |
| | 250 |
| | 160 |
| | 250 |
| |
| Note | When the product needs to meet single-pole breaking, the setting multiple of NM5NEDC-320HV is 6in, and the setting multiple of NM5NEDC-400 and 630HV is 3in. It needs to be specified when ordering. | |
