DZ47-125 Miniature Circuit Breaker
Application
The DZ47-125 series miniature circuit breaker is applicable to the circuit an alternating current of 50Hz, rated voltage of 230/400V, and rated current 63~125A for overload protection and short circuit protection and also for not-frequent operational transformation in the circuit under normal condition.This product can be applied to various places such as industrial, commercial, and tall buildings, and residential houses. The product meets the standards of GB14048.2, IEC60947-2, Obtained CCC, CE certification.
Circuit breakers perform 3 key functions: protection, switching, and monitoring.The DZ47-63 series miniature circuit breaker is applicable to the circuit an alternating current of 50Hz, rated voltage of 230/380V, and rated current up to 63A for overload protection and short circuit protection and also for not-frequent operational transformation in the circuit under normal condition.Our products deliver the reliability and performance you and your customers demand.The product meets the standards of GB10963.1, IEC60898-1, Obtained CCC, CE certification.
Normal operating conditions
Normally, we will provide the most suitable shipment method for you. If the quantity is few, the goods will be sent by express when the payment is clear. Also, we can transport the goods by air or by sea, just according to your demand
Ambient air temperature: -5°C~+40°C, the mean value is no greater than +35°C within 24 hours . Altitude: not higher than 2000m for the installation site.
For electricity-related maintenance and installation, be sure to ensure that the operator has electrical work qualifications and take necessary power-off and insulation protection measures.
Baikong electric was born and developed wellSichuan Baikong Electrical Technology Co., Ltd is a complete set of high and low voltage power distribution equipment automation equipment, set production, research and development and sales Import and export services and other integrated enterprises, the company is headquartered in Pengzhou Industrial Park, Chengdu City.The company's main products are box-type substation Medium and high voltage power transmission and distribution equipment, low voltage power distribution equipment, fire electrical equipment, intelligent industrial electrical equipment, new energy and energy storage electrical equipment, metering and protection power distribution equipment, high and low voltage complete switchgear, high voltage ring network cabinet, cable branch box,SF6 inflatable cabinet, etc.
Model
Main Technical Date
| Item | Parameter |
| Rated voltage | 230V~(1P),400V~(2P. 3P. 4P) |
| Rated Current | 63. 80. 100,125 |
| Poles | 1P, 2P, 3P, 4P |
| Rated short-circuit breaking capacity | 6000 |
| Overcurrent protection characteristic | Table 2, Figure 1 |
| Temperature compensation coefficient | Table 3 |
| Different Altitude correction factor | Table 4 |
| Mechanical and electrical life (times) | 7able 5 |
| Wire | Table 6 |
| Tightening torque | 3.5 |
| Dimensions | Figure2, 3 |
| Pollution Level | Class 3 |
| Protection class | IP20 |
| Installation category | III |
Over current protection characteristics (30°C) Table 2
| NO. | Rated current | Initial state | Test current | Time limit | Expected result | Remarks |
| A | ln=63 | Cold state | 1.05In | t≤1h | No tripping | |
| ln>63 | 1.05In | t≤2h | No tripping | |
| B | ln=63 | RIght after Test No.a | 1.30In | t<1h | tripping | The current is
rising within 5s |
| ln>63 | 1.30In | t<2h | tripping |
| C | ln≥63 | Cold state | 8In | t≤0.2s | No tripping | |
| 12In | t<0.2s | tripping | |
Current correction value for use at different ambient temperatures Table 3
| Current correction value | temperature |
| Rated current | -35 | -30 | -20 | -10 | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 |
| 63 | 90.40 | 88.52 | 84.75 | 80.33 | 7655 | 7245 | 6773 | 63 | 57.65 | 51.98 | 46.31 | 40.95 |
| 80 | 114.8 | 112 | 106.8 | 101.6 | 96.4 | 90.8 | 85.6 | 80 | 74 | 67.6 | 60,4 | 53 |
| 100 | 143.5 | 140.5 | 134.5 | 127.5 | 121 | 113.5 | 107.5 | 100 | 92.5 | 84.5 | 75.5 | 66.5 |
| 125 | 179 | 173.75 | 164.38 | 156 | 148.75 | 140.63 | 135 | 125 | 116 | 107.5 | 97.5 | 885S |
Characteristic curve(See Fig.1)
Current correction coefficient used in different altitude Table 4
| Rated current | |
| ≤2000m | (2000~3000)m | ≥3000m |
| 63,80,100,125 | 1 | 0.9 | 0.8 |
Mechanical and electrical life Table 5
| Rated current | Operating cycles |
| Load | No-load |
| 63, 80, 100 | 1500 | 20000 |
| 125 | 1000 | 20000 |
Wiring: good for connection of leads of less than 50mm2 Table 6
| Rated current | Nominal cross-sectional area of the copper conductor |
| 63 | 16 |
| 80 | 25 |
| 100 | 35 |
| 125 | 50 |
External And Installation Size
