Audited Supplier
Shenzhen Beicheng Co., Ltd. is guided by customer demand and technical trend, combined with communication power supply and new energy development trend, providing solutions and products for communication power supply, energy storage, charging pile, low-speed vehicle, golf cart, frequency converter, construction machinery and other industries.
The company mainly engaged in low-voltage DC contactors and shunt, as well as high-voltage DC contactors, power modules, switching power supplies, and PCB boards, Development board, Expansion board, Electronic component, Industrial control product.
Product voltage range covers 12VD-1500VDC, current range 1A-3000A, the main users are well-known enterprises at home and abroad. Shenzhen Bicheng was founded in 2015, has been committed to the purpose of serving customers. Won the customer′s high praise and excellent supplier honorary title.
The product is a bistable product, and the characteristic of the contact device is the contact point state The permanent magnetic iron is guaranteed, therefore, this type of product can be used for both normally open and normally closed contact points.
Suitable for Electric Control System Of Communication Power Supply,Engineering Machine,Electromotion Forklift,Motor Car,Train,Frequency changer.....
Specifications
| Model No. | CZJ-300S/48·48A1 | ||
| Rated voltage of contact circuit(V DC) | 48 | ||
| Rated current of contact circuit(A) | 300 | ||
| Rated coil voltage(V DC) | 48 | ||
| Cold operating voltage(V) | Maximum pull-in voltage(20±5)ºC | 32 | |
| Cold operating current at (20 ± 5) ºC | 0.16 | ||
| Coil voltage fluctuation range | ±20% | ||
| Contact drop( mV) | ≤80 | ||
| Insulation resistance( M Ω ) | 500V DC,2MΩ | ||
| Dielectric strength of insulation | 1000V AC,50Hz,1min | ||
| Maximum operating time at rated voltage | actuation | 30ms | |
| Release | 30ms | ||
| Contact break maximum bounce time | 3ms | ||
| Maximum breaking capacity of main contact | On/off 1 time 4 times rated load current, power on time 5ms | ||
| Electrical Life | 6,000 | ||
| Mechanical Life | 100,000 | ||
| Work standards | The main contact works for a long time, and the coil has positive and negative pulses with a pulse width of 500mS to 1S | ||
| Usage category | DC-1 | ||
| Minimum electrical clearance and creepage distance (mm) | ≥ 2 | ||
| Ambient Temperature | -20 ºC ~ +70 ºC |
| Relative humidity | 20 ºC ,98% |
| Vibration | 1~50Hz(frequency1~10Hz,amplitude 25/f2;frequency10~50Hz,amplitude 250/f2) |
| Punch | 30m/s2 |
| Mounted square type | Dress as you please |
| Remarks | M4 nut:1.0~1.2;M8 nut:6.0~8.0 |
