Scope of Application
NLM1 Series ABS circuit breaker (hereinafter to be referred as breaker) is mainly used in distribution network with AC 50Hz, rated insulation voltage BOOV, rated working voltage 400V, rated current 800A and below. It is used for power distribution, line protection, protecting power-supply device from overload, under voltage and short circuit. Breaker with frame size rate 400A and below can be used for motor infrequent start.
Standard:
GB 14048.2-2008, EEC 60g47-2:2006
Main Specification And Technical Parameters
| Breaker Model | NLM1-63 | NLM1-125 | NLM1-225 | NLM1-400 | NLM1-630 | NLM1-800 |
| N of poles | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 |
| Rated Current In (A) | 6,10,16,20,25,32,40,50,63 | 10,16,20,25,32,40,50,63,80,100 | 100,125,160,180,200,000 | 200,225,315,350,400 | 400,500,630 | 400,500,630,700,800 |
| Rated Insulation Voltage Ui (V) | 500 | 800 |
| Rated Impulse Withstand Voltage Uimp (V) | 6000 | 8000 |
| Rated Operational Voltage Ue (V) | 400 | AC400/600 |
| Level of Breaking Capaciy | L | M | C | L | M | H | C | L | M | H | C | L | M | H | C | L | M | H | M | H |
| Limiting Short-circuit Breaking Capacity Icu (kA) | 400V | 25 | 50 | 25 | 35 | 50 | 80 | 25 | 35 | 50 | 80 | 35 | 50 | 65 | 100 | 35 | 50 | 65 | 100 | 75 | 100 |
| Operating Short-circuit Breaking Capacity Ics (kA) | 400V | 18 | 35 | 18 | 22 | 35 | 50 | 18 | 25 | 35 | 50 | 25 | 35 | 42 | 45 | 25 | 35 | 42 | 65 | 50 | 65 |
| Arcing Distance (mm) | 0 | 0(>50) | ≥50 | ≥100 |
| Operation Performance (times) | Loading | 6000 | 3000 | 2000 | 1500 | 1000 |
| Unloading | 8500 | 7000 | 4000 | 4000 | 2500 |
| Overall Dimension (mm) | W | 78 | 103 | 92 | 112 | 92 | 107 | 142 | 107 | 150 | 198 | 150 | 182 | 240 | 182 | 210 | 280 | 210 |
| L | 135 | 150 | 165 | 257 | 270 | 280 |
| H | 73.5 | 81.5 | 68 | 86 | 86 | 103 | | 105 | 106.5 | 110 | 115.5 |
| Shunt Release | 0 | 0 | 0 | 0 | 0 | 0 |
| Under Voltage Release | 0 | 0 | 0 | 0 | 0 | 0 |
| Auxiliary Contact | 0 | 0 | 0 | 0 | 0 | 0 |
| Alarm Contact | 0 | 0 | 0 | 0 | 0 | 0 |
| Mortor Operating Mechanism | 0 | 0 | 0 | 0 | 0 | 0 |
| Turning Hand Shank Operating Mechanism | 0 | 0 | 0 | 0 | 0 | 0 |
Ningbo Ville Electric Co., Ltd. is a company specialized in research, development and production of transformer and high voltage & low voltage electrical power equipment.
It locates in Hi-technical enterprise R & D center zone of Ningbo, Zhejiang province, which is one of the well-know coastal city in China. Its professional engaged in turnkey project contractor of power substation, power plant project and electric power complete equipments.
Working field: Manufacturing, engineering, designing, executing and commissioning for HV and LV electrical products.
Products application:
Power-fossil fuel plant, Steel plant, Infrastructure- railway, international generation, substation, hydropower station, wind power substation, transmission and distribution.
We has excellent experience and good capacity in complete projects equipments in Generation, Substation, Transmission and Distribution from 400V-330kv, especially in Power plant, Substation construction and Transmission line, including of design, complete equipment, installation, Commissioningand after-sales service, and also design the complete Electrical Solutions according to customer's demand. We are mainly services to International State Power Board, Power Construction Contractor, Power Project Contractor, Factories and the Electric Power Project in the world.
In order to achieve the enterprise's strategic target---being stronger, larger, and superior, we continue to expand throughout the world's markets for power transmission and distribution area. And we also actively attach our team to competition, walking forward to the mission of "First-class worldwide electrical equipment supplier"
