KNX-20E-640 Series

640mA KNX Power Supply

The KNX Power Supply KNX-20E-640 is a 640mA power supply with high efficiency and a small footprint of only 3SU (52.5 mm).The device has a KNX bus choke output and an additional output for ancillary power. The -30~+70°C wide temperature operating range can meet all kinds of applications. LED indicators are used in case of normal operation, overload conditions and RESET operation.

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Description

KNX-20E-640 Series

640mA KNX Power Supply

The KNX Power Supply KNX-20E-640 is a 640mA power supply with high efficiency and a small footprint of only 3SU (52.5 mm).The device has a KNX bus choke output and an additional output for ancillary power. The -30~+70°C wide temperature operating range can meet all kinds of applications. 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. With over 30 years of industrial power supply experience, KNX-20E-640 is engineered to be a reliable and safe solution for KNX bus environment.

Feature (KNX-20E-640):

  • ElB / KNX power supply with integrated choke
  • Compact size with 3SU(52.5mm) width
  • Safety extra low voltage(SELV)
  • 180~264VAC  input
  • No load power consumption <0.5W
  • Protections: Short circuit / Overload(short-circuit-proof) / Over voltage
  • Cooling by free air convection
  • Isolation classⅠ
  • LED indicator for normal operation, bus reset and bus overload
  • Installed on DIN rail TS-35/7.5 or 15
  • Over voltage category Ⅲ
  • 100% full load burn-in test

Applications :

  • Intelligent home control
  • Modern building automation
  • Lighting control
  • HVAC system
  • Security system
  • Blinds and shutters
  • Monitoring systems
  • Energy management
  • Alarm  monitoring

Additional information

Weight 13.9 kg
Dimensions 5.25 × 9.0 × 5.45 cm
KNX-20E-640 Types :

KNX-20E-640

Specifications

MODEL KNX-20E-640
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 640mA
RATED POWER 19.2W
RIPPLE & NOISE (max.) 100mVp-p
SHORT CIRCUIT CURRENT 1.4A
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 230 ~ 370VDC
FREQUENCY RANGE 47 ~ 63Hz
EFFICIENCY (Typ.) 86%
AC CURRENT (Typ.) 0.22A/230VAC
INRUSH CURRENT(Typ.) COLD START 40A/230VAC
LEAKAGE CURRENT <1mA / 240VAC

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