Switched mode power supply for DIN rail mounting type SMP21 DC24V/20A

www.e-t-a.de

1646

2

3

Dimensions

GENERAL TOLERANCE

0.00 (0.00) - 30.00 (1.18)

±0.30 (0.01)

±1.50 (0.06)

30.00 (1.18) - 120.00 (4.72)

±1.50 (0.06)

120.00 (4.72) - 400.00 (15.75)

9

7

9

7

6

1

6

1

24 V DC/20 A

115/230 V AC

7.0/3.5 A

47-63Hz

Vout Adj.

Single

Parallel

DC LO

DC ON

NL

SMP21

Rdy

24 V DC/20 A

115/230 V AC

7.0/3.5 A

47-63Hz

Vout Adj.

Single

Parallel

DC LO

DC ON

NL

SMP21

Rdy

116.6 (4.59)

7.0 (0.3)

175.50 (6.91)

175.50 (6.91)

L20

S20

Inrush current

at AC 115 V

at AC 230 V

25 A max.

50 A max.

Power loss

63 W typically

Power factor

compensation (active)

Output circuit

DC 24 V SELV

20 A

Output voltage accuracy 0…+1 %

Min. load

0 %

Supply regulation

Load regulation

Single mode

Parallel mode

± 1 %

± 5 %

Voltage adjustment

range

Continuous load

Power boost factor

typically 125 % (110%...140% see

output curve)

Short circuit behaviour

U/I trip curve

Exposure time

25 / 30 ms

ON delay at:

resistive load

capacitive load of

7,000 µF

1 s

1.5 s

Rise time at:

resistive load

capacitive load of

7,000 µF

150 ms

0.5 s

Release time

150 ms

Residual ripple

100 mV, spectrum = 20 MHz

Reverse polarity voltage

resistance

DC 35 V min.

Capacitive load

7,000 µF max.

Parallel mode

3 power supplies max. at

Control and protection circuit

input protection

internal blade fuse

T10A / AC 250 V

Recommended back-up

fuse

1-pole MCB, e.g. E-T-A type 4230

Current rating

10 A / 16 A ➞ max. 20 A

Characteristic curve

B / C / D

Internal overvoltage

protection

varistor

available power

(output RDY)

Contact closed at:

DC 17.6...19.4 V

Insulation voltage

Contact load at

DC 500 V (to output)

DC 60 V / 0.3 A

Overvoltage protection

Degree of protection

IP20

Physical data

Dimensions (h x w x d)

version L20 with

screw terminals:

Version S20 with

removeable plug

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)

Housing material:

metal

Mass

approx. 1920 g

Vibration (random

vibration, to IEC

60068-2-6)

mounted on symmetrical rail, 10 - 500 Hz,

2 g, on X, Y & Z axis, 60 minutes per axis

Shock

(to IEC 60068-2-27,)

15 g (11 ms), 3 axes,

6 sides, 3 times per side