KNX-20E-640
March 8, 2023
LCM-25KN series
March 8, 2023
MW Mean Well Meanwell 1280mA KNX Power Supply KNX-40E-1280
Features
- EIB / KNX power supply with integrated choke
- Compact size with 4SU(72mm) width
- Safety extra low voltage(SELV)
- Suitable for TP1-256
- 180~264VAC input
- No load power consumption <0.5W
- Protections: Short circuit / Overload(short-circuit-proof) / Over voltage
- Cooling by free air convection
- Isolation class Ⅰ
- LED indicator for normal operation, bus reset and bus overload
- Monitoring Of output voltage,output current,bus traffic load and device temperature
- Provide Wide variety Of diagnostic and logic function
- Over Voltage category III
- 3 years warranty
Mean Well KNX Power Supply KNX-40E-1280 Data Sheet Download
Description
MEAN WELL,the leading standard power supply manufacturer,continues to promote the buiding automation technology for making a green and sustainable society.After the launch of KNX-20E-640,the new KNX power supply KNX-40E-1280(D) is proudly introduced. The KNX Power Supply KNX-40E-1280(D) is a 1280mA power supply with high efficiency and a small footprint of only 4SU(72mm).The device has a KNX bus choke output and additional output for auxiliary power.The -30~+70°C wide temperature operating range can meet all kinds of applications.For troubleshooting,monitoring purpose,output voltage,output current,bus traffic,device temperature and other actual measurement values can be sent via KNX.LED indicators are used in case of normal operation,overload conditions and RESET operation.It is perfectly suitable to power up any products labeled with the KNX trademark.
Mean Well KNX Power Supply KNX-40E-1280 Model Encoding
| Type | Function | Note |
| Blank | 1280mA KNX Power Supply | In Stock |
| D | 1280mA KNX Power Supply with Diagnostic function | In Stock |
Specification
| MODEL | KNX-40E-1280 | |
|
OUTPUT |
BUS OUTPUT VOLTAGE WITH CHOKE | Bus,30V (KNX black/red terminal block) |
| DC OUTPUT VOLTAGE WITHOUT CHOKE | 30V (Additional output for ancillary power) | |
| RATED CURRENT | 1280mA | |
| RATED POWER | 38.4W | |
| RIPPLE & NOISE (max.) Note.2 | 100mVp-p | |
| SHORT CIRCUIT CURRENT | 2.8A | |
| SETUP, RISE TIME | 1000ms, 50ms/230VAC at full load | |
| AC MAINS FAILURE
BACK-UP TIME (Typ.) |
200ms/230VAC at full load | |
|
INPUT |
VOLTAGE RANGE | 180 ~ 264VAC 176 ~ 280VDC |
| FREQUENCY RANGE | 47 ~ 63Hz | |
| EFFICIENCY (Typ.) Note.3 | 86% | |
| AC CURRENT (Typ.) | 0.5A/230VAC | |
| INRUSH CURRENT (Typ.) | COLD START 60A (twidth=1200μs measured at 50% Ipeak)/230VAC | |
| LEAKAGE CURRENT | <1mA / 240VAC | |
|
PROTECTION |
OVERLOAD | 205 ~ 235% rated output power |
| Protection type: Constant current limiting, recovers automatically after fault condition is removed | ||
|
OVER VOLTAGE |
33 ~ 35V | |
| Protection type: Hiccup mode, recovers automatically after fault condition is removed | ||
|
FUNCTION |
RESET |
Physical button for the bus reset:
Blank type: Press the RESET button for at least 20 seconds to reset the KNX Bus D type: Press the RESET button once, it will reset the KNX Bus last for 20 seconds automatically |
| LED INDICATORS | Please refer to the Explanation of LED Status” | |
| CHOKE | One integrated choke | |
|
ENVIRONMENT |
WORKING TEMP. | -30 ~ +70°C (Refer to “Derating Curve”) |
| WORKING HUMIDITY | 20 ~ 95% RH non-condensing | |
| STORAGE TEMP., HUMIDITY | -40 ~ +85°C, 10 ~ 95% RH non-condensing | |
| VIBRATION TYPE
OF PROTECTION |
10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes | |
| TYPE OF PROTECTION | IP20 design | |
| OVER VOLTAGE CATEGORY | Ⅲ , According to BS EN/EN61558, BS EN/EN50178,altitude up to 2000 meters | |
|
SAFETY & EMC (Note 4) |
SAFETY STANDARDS | BS EN/EN61558-1, BS EN/EN61558-2-16; BS EN/EN50491-3 approved |
| WITHSTAND VOLTAGE | I/P-O/P:4.2KVAC I/P-FG:2KVAC | |
| ISOLATION RESISTANCE | I/P-O/P, I/P-FG:100M Ohms / 500VDC / 25°C/ 70% RH | |
| EMC EMISSION | Compliance to BS EN/EN50491-5-2, -5-3; BS EN/EN61000-3-2, -3-3 | |
| EMC IMMUNITY | Compliance to BS EN/EN50491-5-2, -5-3; BS EN/EN61000-4-2,3,4,5,6,8,11, heavy industry level | |
|
OTHERS |
MTBF | 1414.2K hrs min. Telcordia SR-332 (Bellcore) 217.1Khrs min. MIL-HDBK-217F (25°C) |
| DIMENSION | 72*90*57mm (W*H*D) | |
| MOUNTING | 35mm mounting rail according to DIN BS EN/EN60715 | |
| PACKING | 0.328Kg; 48pcs/16.4Kg/1.02CUFT | |
Applications
- Intelligent home control
- Modern building automation
- Lighting control
- HVAC system
- Security system
- Blinds and shutters
- Monitoring systems
- Energy management
- Alarm monitoring
