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DZ47S-125 Prepaid Electric Meter Circuit Breaker
1、 Scope of application: DZ47S-125 IC card prepaid circuit breaker, with intelligent shunt trip function, suitable for remote control or automatic sig
Product details
Product Introduction
1、 Scope of application
DZ47S-125 IC Card Prepaid Circuit BreakerIt has intelligent shunt tripping function and is suitable for remote control or automatic signal control of circuit breaking in AC 50Hz (or 60Hz), rated working voltage of 230/400V, and rated current up to 125A. It also provides overload and short circuit protection for the circuit and can be used for infrequent operation conversion of the circuit. At present, it is widely used in conjunction with IC card prepaid electricity meters to control the on/off of power lines.
DZ47S-125 IC Card Controlled Prepaid Circuit BreakerIt has the characteristics of small size and easy installation. It controls the electricity meter for residential payment. When the recharge balance of the IC card is insufficient, the circuit breaker will be automatically disconnected to cut off the power. After the user continues to recharge, it can be closed.
DZ47S-125 IC Card Controlled Prepaid Circuit BreakerCompliant with IEC60947-2 and GB14048.2, it has international advanced level.
2、 Model and its meaning
3、 Main technical parameters
| Technical parameter project | Parameter values |
| Rated voltage (V) | 230V(1P+N)、400V(3P+N) |
| Rated current (A) | 63A、80A、100A、125A |
| number of poles | 1P+N、3P+N |
| Electrical lifespan (times) | 2000 times |
| Mechanical lifespan (times) | 20000 times |
| Rated breaking capacity (A) | 6000A |
| Connecting wire (mm ²) | 16~50 |
| Tightening torque (N-m) | 3.5 |
| pollution degree | level 2 |
| protection grade | IP20 |
| Installation Category | Class II, Class III |
4、 Overcurrent protection characteristics
| Rated current (A) | Initial state | test current | Set time | Expected results | notes | |
| ln=63A | ln＞63A | |||||
| 63 80 100 125 |
Cold state immediately following the previous item | 1.05ln | t≤1h | t≤2h | Do not release | |
| Conducted after the cold state test | 1.30ln | t＜1h | t＜2h | trip | The current immediately rises to the specified value | |
| cold state | 8ln | t≤0.2s | Do not release | Connect the current by closing the auxiliary switch | ||
| cold state | 12ln | t＜0.2s | trip | Connect the current by closing the auxiliary switch | ||
Overcurrent trip characteristic curve
5、 Split excitation trip characteristic
| model | rated control voltage | Action time | Repetitive operation interval time |
| DZ47S-125 | 230V~ | 0.5s＜t＜2s | 3Min |
6、 Wiring: Suitable for connecting 35mm ² wires and below. When using, refer to the table below to select the wire cross-sectional area, and tighten the terminal block with a torque of 3.5N · m.
| Rated current ln (A) | Nominal cross-sectional area of copper wire (mm ²) |
| 63 | 16 |
| 80 | 25 |
| 100 | 35 |
| 125 | 50 |
7、 Other
DZ47S-125 IC Card Controlled Prepaid Circuit BreakerEquipped with a shunt release device, it has the following characteristics:
DZ47S-125 IC Card Controlled Prepaid Circuit BreakerThe operating mechanism is a free release mechanism with energy storage, and the contacts quickly close, overcoming the adverse effects caused by manual operation of the handle speed and greatly improving the product's service life; During normal operation, the contact can only remain in the closed or open position
The shell and components are made of high flame retardant, high temperature resistant, and impact resistant plastic.
The driving components consist of signal controlled release thyristors, electromagnetic release devices, etc.
8、 Appearance and installation dimensions
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