Instruction Manual For KFG Power Supply
KFG-2420
DIN rail mounting
• Universal AC single phase input full range
• Can also be used as bi-phase 400VAC
• Installation on DIN rail 7.5 or 15mm
• PFC as standard
• High efficiency up to 90%
• Power ready output
• Parallel connection feature
• Compact dimensions
• CE, TÜV, CCC approved and cULus listed
• Class I Div 2 Groups A, B, C, D approved
Product Description
The Switching power supplys KFG series are specially designed to be used in all automation application
where de installation is on a DIN rail and compact dimensions and performance are a must.
Approvals
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Rheinland
Product Safety
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Output Performances
INPUT
VOLTAGE
MODEL NO.
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(min.)
EFF.
(typ.)
86%
89%
Single Output Models
KFG-2420
1)
90~264 VAC
480 WATTS
+ 24 VDC
20 A
When S/P switch is set to parallel, it is not possible to trim output voltage.
Output Data
Line regulation
Load regulation
Non parallel model
Parallel model
Minimum load
Turn on time (full resistive load)
VI nom, Io nom
VI nom, Io nom with 7000 μF CAP
Transient recovery time
Ripple and noise
Output voltage accuracy
1
± 0.5%
±1%
±5%
0A
1000ms
1500ms
2ms
100mVpp
±1%
±0.03%/°C
Hold up time
Vi= 115VAC
Vi=230VAC
Voltage fall time (I 0nom Vi nom)
Rated continuous loading
24V Model
Reverse voltage
24V Model
Capacitor load
Voltage rise time
Vi nom Io nom
Vi nom, Io nom with 7000μF CAP
25ms
30ms
150ms max
20A @ 24VDC/16.8A @ 28.5VDC
VDC 35
7000μF
150ms
500ms
Instruction Manual For KFG Power Supply
KFG-2420
DIN rail mounting
Input Data
Rated input voltage
Voltage range
AC
DC
Rated input current
(Vi:90VAC, Io nom)
Typ.
Max.
Inrush current
Vi= 115VAC
Vi= 230VAC
115 - 230VAC
90 - 264VAC
120 - 375VDC
4.9/2.5A
7/3.5A
25A
50A
Power dissipation
(Vi : 400VAC, Io nom)
24V Model
63W
Frequency range
Leakage current
Input-Output
Input-FG
P.F.C Vi=115/230VAC, Ionom
47-63Hz
0.25mA
3.5mA
0.99/0.97
Over voltage protection
Internal surge voltage protection
125/140%
Varistor
Controls and Protections
Overload
Input fuse
Output short circuit
Power ready output
threshold at start up
Electrical isolation
Contact rating at 60VDC
110 - 140%
T10A/250VAC internal
Fold forward
(IEC 61000-4-5)
≥17.6-19.4VDC
500VDC
0.3A
General Data (@ nominal line, full load, 25°C)
Ambient temperature
Derating (>61°C to +71°C)
Ambient humidity
Storage
Protection degree
Cooling
Pollution degree
MTB (Bellcore issue 6 @ 40°C, GB)
24V Model
48V Model
-40°C to +71°C
2.5%/C
20 ~ 95%RH
-40°C to +85°C
IP20
Free air convection
2
Case material
Dimensions LxWxD mm (inch)
Screw terminal type
Detachable connector type
Weight
Metal
124.5 x 175.5 x 123.6 mm
(4.9 x 6.91 x 4.87 inches)
143.5 x 175.5 x 123.6 mm
(5.65 x 6.91 x 4.87 inches)
430 g
403000 Hours
416000 Hours
Norms and Standards
Vibration resistance
Shock resistance
UL/cUL
TUV
ISA
2
meet IEC 60068-2-6
(Mounting by rail: 10-500Hz,
2G, along X, Y, Z each Axis,
60 min for each Axis)
meet IEC 60068-2-27
(15G,11ms, 3 Axis, 6 faces,
3 times for each face)
UL508 listed, UL60950-1
Recognized
EN 60950-1, CB scheme
EN 61558-1, EN 61558-217 (meet EN 60204)
12.12.01 Class I Div 2
Groups A, B, C, D
CE
EN 61000-6-3, EN 55022
Class B, EN 61000-3-2,
EN 61000-3-3,
EN 61000-6-2,
EN 55024,
EN 61000-4-2 Level 4,
EN 61000-4-3 Level 3,
EN 61000-4-4 Level 4,
EN 61000-4-5 L-Level 3,
L/N-FG Level 4,
EN 61000-4-6 Level 3,
EN 61000-4-8 Level 4,
EN 61000-4-11,
ENV 50204 Level 2,
EN 61204-3
Instruction Manual For KFG Power Supply
KFG-2420
DIN rail mounting
Block Diagram
L1
Fuse 1
Fusible1
L2
Fuse 2
Fusible2
L3
Fuse 3
Fusible2
Vo +
X
Filtro
Filter
X
X
Rectificador
Bridge
de puente
Filter
Filtro
P.F.C
Switching
Circuito
Semiconductores
Circuit
Device
P.F.C.*
de conmutación
Rectificador
Control
PWM
PWM**
Controller
Y
Detección
Current
intensidad
Detection
OptoOptoaislamiento
Isolation
Referencia& y
Reference
amplificación
Error Amp.
del error
OptoOptoaislamiento
Isolation
Over
Voltage
Detección
sobretensión
Detection
Filter
Filtro
Vo -
Single
/ Parallel
Selección
funcionamiento
Select
individual/paralelo
Ajuste
Vout
Vout
ADj
(tensión salida)
Continuos
Continuo//
Discontinuos
Discontinuo
DC
ONON
VCC
VCC
LOW
DC
LOW
RDY
RDY
M.C.U
Microcontrolador
* P. F. C. = Corrección de factor de potencia
** PWM = Modulación anchura de pulso
Pin Assignement and Front Controls
Pin No.
Designation
Description
1, 2
V-
Negative output teminal
3, 4
V+
Positive output terminal
5
RDY
A normal open relay contact for DC ON level control
6
(Never connect except 24V model)
7
L
Input terminals (phase conductor, no polarity at DC input)
8
N
Input terminal (neutral conductor, no polarity at DC input)
9
Ground this terminal to minimize high-frequency emissions
DC ON
Operation indicator LED
DC LOW
DC LOW voltage indicator LED
Vout ADJ
Trimmer-potentiometer for Vout adjustment
S/P
Single / Paralle select switch
Derating Diagram
Typ. Efficiency Curve
100
90
(%)
75
80
75
Ef
Power out (%)
85
230 VAC
115 VAC
70
65
10
0
-40
61
71
25
50
75
100
Power Out (%)
3
Instruction Manual For KFG Power Supply
KFG-2420
DIN rail mounting
Typ. Current Limited Curve
mm (inches)
175.50 [6.91]
124.50 [4.90]
124.50 [4.90]
175.50 [6.91]
116.60 [4.59]
143.50 [5.65]
Mechanical Drawings
7 [0.28]
Installation
Ventilation and cooling
Connector
Input Connector
4
Normal convection
All sides 25mm free space
for cooling is
recommended.
Size range AWG 24-10
cable.
can withstand torque at
maximum 9 pound-inches
Output Connector
Max. torque for
screws terminals
Input terminals
Output terminals
can withstand torque at
maximum 5.5 poundinches.
8 mm strip ping at cable end
recom mends, use copper
conductors only, 60/75°C.
0.784Nm (7.0lb-in)
0.784Nm (7.0lb-in)
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