MEAN WELL MPT-65A [37/112] Knx power
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MEAN WELL MPT-65A [37/112] Knx power

MEAN WELL EPS-45-5-C [37/112] Knx power
KNX-20E-640
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KNX-20E Feature Description
The KNX Power Supply
KNX-20E 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
is engineered to be a reliable and safe solution for KNX
bus environment.
Applications
KNX-based home, office, building
• Lighting control
• Heating/ventilation & Air Conditioning control
• Shutter/Blind control
• Alarm monitoring
• Energy management & Electricity / Gas /
Water metering
• Security systems control
• Automation & remote access control
34
KNX Power
640mA KNX Power Supply
• EIB / KNX power supply with integrated choke
• Compact size with 3SU(52.5mm) width
• 180~264VAC input
• No load power consumption <0.5W
• 200ms mains failure back-up time
• Button for bus reset on top
• 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
• Installed on DIN rail TS-35/7.5 or 15
• 3 years warranty
Model No. KNX-20E-640
AC input voltage range 180~264VAC; 254~370VDC
AC inrush current (max.) Cold start, 40A at 230VAC
LED indicators
ON: Green LED, normal operation, no fault; Reset: Red LED, reset of the KNX bus;
I
out
> I
max
: Red LED, KNX bus overload
Overload protection
Range 205%~235%
Type constant current limiting, auto-recovery after fault condition is removed
Over voltage protection 110%~115% ; Shut down o/p voltage, re-power on to recover
Setup, rise, hold up time 1000ms, 50ms, 200ms at 230VAC
Working temperature -30~+70°C (refer to output derating curve)
Safety standards EN61558-1,EN61558-2-16 approved
EMC standards EN50491-5-1,-5-2,-5-3
Connection (screw DIN terminal) I/P: 3 poles; O/P: 2 poles screw DIN terminal & 2 KNX bus terminals (black/red)
Dimension (WxHxD)(mm) 52.5x 90x 54.5
Features
Model No. V
out1
(with choke)
V
out2
(without choke)
I
out
(I
1
+I
2
)
R&N Effi.
KNX-20E-640 Bus, 30VDC 30VDC 640mA 100mV 86%

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