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Siemens Simatic S7-400 User Manual

Page 107

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Power Supply Modules

3-27

S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07

Technical Specifications of the PS 407 20 A

Programming Package

Associated programming
package

As of STEP7 V 2.0

Dimensions, Weight, and Cable Cross-Sections

Dimensions WxHxD (mm)

Weight

Cable cross-section

75x290x217

1.93 kg

3x1.5 mm

2

(litz wire

with wire end ferrule

with wire end ferrule
with insulating collar;
use only flexible
sheath cable)

Cable diameter

3 to 9 mm

Input Rating

Input voltage

Rated value

Permitted range

120/230 VAC

85 to 132 VAC /

170 to 264 VAC

System frequency

Rated value

Permitted range

50 / 60 Hz

47 to 63 Hz

Rated input current

At 120 VAC

At 230 VAC

1.87 A

1 A

Starting current inrush

Rated input current 264 V

Rated input current 132 V

Peak value 70 A

Half-value width 2 ms

Peak value + 110 A/ –
65 A
Half-value width
1.5 ms

Leakage current

< 3.5 mA

Overvoltage resistance

In accordance with DIN
VDE 0160, curve W2

Output Rating

Output voltages

Rated values

5.1 VDC /24 VDC

Output currents

Rated values

5 VDC: 20 A

24 VDC: 1.0 A

Max. residual ripple

5 VDC: 50 mV

SS

24 VDC: 200 mV

SS

Max. switching peaks

5 VDC: 150 mV

S

24 VDC: 500 mV

S

Idle conditions

5 VDC: 200 mA base
load required

24 VDC: Idling-proof
(no base load required)

Other Parameters

Protection class in accordance
with IEC 60536

I, with protective
grounding conductor

Overvoltage category

II

Pollution severity

2

Rated voltage U

e

0 < U

e

50 V

150 V < U

e

300 V

Test Voltage

700 VDC
(secondary <–> PE)

2200 VDC
(primary <–> PE)

Buffering of power failures:

At 50 Hz

At 60 Hz

4.5 ms to 7.5 ms

6.5 ms to 8.5 ms

Power input

162 W

Power loss

35.6 W

Backup current

Max. 100

µ

A at power

off

Backup batteries (optional)

2 x Lithium AA, 3.6 V /
1.9 Ah

Protective separation
to IEC 61131-2

Yes

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