Article number

SITOP PSU400S/DC/DC/48V/24V/5A

SITOP PSU3400/DC/DC/48V/24V/5A

********* spare part ********** SITOP PSU400S 24 V/5 A stabilized power supply input: 48 V DC (30.2...75 V) output: 24 V DC/5 A (22...28V)

SITOP PSU3400 24 V/5 A Stabilized power supply Input: 48 V DC (28…60 V) Output: 24 V DC/5 A

Input

type of the power supply network

DC voltage

supply voltage at AC

● initial value

Startup as of 36 V, derating necessary for 28 ... 36 V DC

supply voltage

● at DC

48 ... 48 V

input voltage

● at DC

30 ... 75.5 V

28 ... 60 V

design of input wide range input

No

overvoltage overload capability

-

operating condition of the mains buffering

at Vin = 48 V

buffering time for rated value of the output current in the event of power failure minimum

5 ms

operating condition of the mains buffering

at Vin = 48 V

input current

● at rated input voltage 48 V

2.9 A

2.7 A

current limitation of inrush current at 25 °C maximum

15 A

I2t value maximum

0.12 A²·s

fuse protection type

15 A (not accessible), breaking capacity 100 A

● in the feeder

6 A characteristic C

Recommended miniature circuit breaker: 16 A characteristic B or C

Output

voltage curve at output

Controlled, isolated DC voltage

output voltage at DC rated value

24 V

output voltage

● at output 1 at DC rated value

24 V

relative overall tolerance of the voltage

3 %

1 %

relative control precision of the output voltage

● on slow fluctuation of input voltage

0.1 %

● on slow fluctuation of ohm loading

0.3 %

residual ripple

● maximum

50 mV

150 mV

● typical

70 mV

voltage peak

● maximum

200 mV

250 mV

● typical

220 mV

adjustable output voltage

22.8 ... 28 V

24 ... 28 V

product function output voltage adjustable

Yes

type of output voltage setting

via potentiometer; max. 120 W

via potentiometer

display version for normal operation

Green LED for 24 V OK

type of signal at output

No

behavior of the output voltage when switching on

No overshoot of Vout (soft start)

response delay maximum

2.5 s

0.5 s

voltage increase time of the output voltage

● typical

10 ms

● maximum

1 500 ms

20 ms

output current

● rated value

5 A

● rated range

0 ... 5 A; +60 ... +70 °C: Derating 2.5%/K

0 ... 6 A; 6 A up to +40°C; +60 ... +70 °C: Derating 2%/K

supplied active power typical

120 W

130 W

product feature

● bridging of equipment

Yes

number of parallel-switched equipment resources for increasing the power

2

Efficiency

efficiency in percent

89 %

92 %

power loss [W]

● at rated output voltage for rated value of the output current typical

5 W

10 W

● during no-load operation maximum

1.5 W

Closed-loop control

relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical

0.3 %

relative control precision of the output voltage load step of resistive load 50/100/50 % typical

2 %

setting time

● load step 50 to 100% typical

1 ms

● load step 100 to 50% typical

1 ms

setting time

● maximum

1 ms

Protection and monitoring

design of the overvoltage protection

< 33 V

Ua < 35 V

response value current limitation typical

6.5 A

property of the output short-circuit proof

Yes

design of short-circuit protection

Electronic shutdown, automatic restart

overcurrent overload capability in normal operation

overload capability 150 % Iout rated up to 5 s/min

display version for overload and short circuit

Yellow LED overload

Safety

galvanic isolation between input and output

Yes

galvanic isolation

Safety extra low output voltage Vout according to EN 60950-1

operating resource protection class

Class III

protection class IP

IP20

Approvals

certificate of suitability

● CE marking

Yes

● UL approval

Yes; UL 508, CSA C22.2 No. 107.1

Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259

● CSA approval

Yes; UL 508, CSA C22.2 No. 107.1

Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259

● cCSAus, Class 1, Division 2

No

● ATEX

No

certificate of suitability

● IECEx

No

● NEC Class 2

No

● ULhazloc approval

No

● FM registration

No

type of certification CB-certificate

Yes

certificate of suitability

● EAC approval

Yes

● Regulatory Compliance Mark (RCM)

Yes

certificate of suitability shipbuilding approval

No

Yes

shipbuilding approval

-

ABS, DNV GL

Marine classification association

● American Bureau of Shipping Europe Ltd. (ABS)

No

Yes

● French marine classification society (BV)

No

● DNV GL

No

Yes

● Lloyds Register of Shipping (LRS)

No

● Nippon Kaiji Kyokai (NK)

No

EMC

standard

● for emitted interference

EN 61000-6-3 Class A

EN 61000-6-3

● for mains harmonics limitation

not applicable

● for interference immunity

EN 61000-6-2

environmental conditions

ambient temperature

● during operation

-25 ... +70 °C; with natural convection

● during transport

-40 ... +85 °C

● during storage

-40 ... +85 °C

environmental category according to IEC 60721

Climate class 3K3, 5 … 95% no condensation

Mechanics

type of electrical connection

screw-type terminals

● at input

+, -: 1 screw terminal each for 0.2 ... 2.5 mm²

L, N, FE: 1 screw terminal each for 0.5 ... 2.5 mm² single-core/finely stranded

● at output

+, -: 2 screw terminals each for 0.2 ... 2.5 mm²

+, -: 2 screw terminals each for 0.5 ... 2.5 mm²

width of the enclosure

50 mm

32 mm

height of the enclosure

125 mm

100 mm

depth of the enclosure

125 mm

100 mm

required spacing

● top

50 mm

● bottom

50 mm

● left

0 mm

● right

0 mm

net weight

0.5 kg

0.32 kg

product feature of the enclosure housing can be lined up

Yes

fastening method

Snaps onto DIN rail EN 60715 35x7.5/15

electrical accessories

Redundancy module, buffer module, diagnostics module SITOP select, DC UPS

Buffer module

MTBF at 40 °C

500 000 h

1 965 061 h

other information

Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)

Article number	6EP1733-2BA00-0AA0	6EP3233-0TA00-0AY0

	SITOP PSU400S/DC/DC/48V/24V/5A	SITOP PSU3400/DC/DC/48V/24V/5A
	******* spare part ******** SITOP PSU400S 24 V/5 A stabilized power supply input: 48 V DC (30.2...75 V) output: 24 V DC/5 A (22...28V)	SITOP PSU3400 24 V/5 A Stabilized power supply Input: 48 V DC (28…60 V) Output: 24 V DC/5 A
Input
type of the power supply network	DC voltage	DC voltage
supply voltage at AC
● initial value		Startup as of 36 V, derating necessary for 28 ... 36 V DC
supply voltage
● at DC		48 ... 48 V
input voltage
● at DC	30 ... 75.5 V	28 ... 60 V
design of input wide range input		No
overvoltage overload capability		-
operating condition of the mains buffering	at Vin = 48 V	at Vin = 48 V
buffering time for rated value of the output current in the event of power failure minimum	5 ms	5 ms
operating condition of the mains buffering	at Vin = 48 V	at Vin = 48 V
input current
● at rated input voltage 48 V	2.9 A	2.7 A
current limitation of inrush current at 25 °C maximum		15 A
I2t value maximum		0.12 A²·s
fuse protection type		15 A (not accessible), breaking capacity 100 A
● in the feeder	6 A characteristic C	Recommended miniature circuit breaker: 16 A characteristic B or C
Output
voltage curve at output	Controlled, isolated DC voltage	Controlled, isolated DC voltage
output voltage at DC rated value	24 V	24 V
output voltage
● at output 1 at DC rated value	24 V	24 V
relative overall tolerance of the voltage	3 %	1 %
relative control precision of the output voltage
● on slow fluctuation of input voltage		0.1 %
● on slow fluctuation of ohm loading		0.3 %
residual ripple
● maximum	50 mV	150 mV
● typical		70 mV
voltage peak
● maximum	200 mV	250 mV
● typical		220 mV
adjustable output voltage	22.8 ... 28 V	24 ... 28 V
product function output voltage adjustable	Yes	Yes
type of output voltage setting	via potentiometer; max. 120 W	via potentiometer
display version for normal operation	Green LED for 24 V OK	Green LED for 24 V OK
type of signal at output	No
behavior of the output voltage when switching on		No overshoot of Vout (soft start)
response delay maximum	2.5 s	0.5 s
voltage increase time of the output voltage
● typical		10 ms
● maximum	1 500 ms	20 ms
output current
● rated value	5 A	5 A
● rated range	0 ... 5 A; +60 ... +70 °C: Derating 2.5%/K	0 ... 6 A; 6 A up to +40°C; +60 ... +70 °C: Derating 2%/K
supplied active power typical	120 W	130 W
product feature
● bridging of equipment	Yes	Yes
number of parallel-switched equipment resources for increasing the power	2	2
Efficiency
efficiency in percent	89 %	92 %
power loss [W]
● at rated output voltage for rated value of the output current typical	5 W	10 W
● during no-load operation maximum		1.5 W
Closed-loop control
relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical		0.3 %
relative control precision of the output voltage load step of resistive load 50/100/50 % typical		2 %
setting time
● load step 50 to 100% typical		1 ms
● load step 100 to 50% typical		1 ms
setting time
● maximum	1 ms
Protection and monitoring
design of the overvoltage protection	< 33 V	Ua < 35 V
response value current limitation typical		6.5 A
property of the output short-circuit proof	Yes	Yes
design of short-circuit protection		Electronic shutdown, automatic restart
overcurrent overload capability in normal operation	overload capability 150 % Iout rated up to 5 s/min
display version for overload and short circuit		Yellow LED overload
Safety
galvanic isolation between input and output	Yes	Yes
galvanic isolation	Safety extra low output voltage Vout according to EN 60950-1	Safety extra low output voltage Vout according to EN 60950-1
operating resource protection class		Class III
protection class IP		IP20
Approvals
certificate of suitability
● CE marking	Yes	Yes
● UL approval	Yes; UL 508, CSA C22.2 No. 107.1	Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259
● CSA approval	Yes; UL 508, CSA C22.2 No. 107.1	Yes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259
● cCSAus, Class 1, Division 2	No	No
● ATEX	No	No
certificate of suitability
● IECEx	No	No
● NEC Class 2	No	No
● ULhazloc approval	No	No
● FM registration	No	No
type of certification CB-certificate		Yes
certificate of suitability
● EAC approval	Yes	Yes
● Regulatory Compliance Mark (RCM)		Yes
certificate of suitability shipbuilding approval	No	Yes
shipbuilding approval	-	ABS, DNV GL
Marine classification association
● American Bureau of Shipping Europe Ltd. (ABS)	No	Yes
● French marine classification society (BV)	No	No
● DNV GL	No	Yes
● Lloyds Register of Shipping (LRS)	No	No
● Nippon Kaiji Kyokai (NK)	No	No
EMC
standard
● for emitted interference	EN 61000-6-3 Class A	EN 61000-6-3
● for mains harmonics limitation		not applicable
● for interference immunity	EN 61000-6-2	EN 61000-6-2
environmental conditions
ambient temperature
● during operation	-25 ... +70 °C; with natural convection	-25 ... +70 °C; with natural convection
● during transport	-40 ... +85 °C	-40 ... +85 °C
● during storage	-40 ... +85 °C	-40 ... +85 °C
environmental category according to IEC 60721	Climate class 3K3, 5 … 95% no condensation	Climate class 3K3, 5 … 95% no condensation
Mechanics
type of electrical connection	screw-type terminals	screw-type terminals
● at input	+, -: 1 screw terminal each for 0.2 ... 2.5 mm²	L, N, FE: 1 screw terminal each for 0.5 ... 2.5 mm² single-core/finely stranded
● at output	+, -: 2 screw terminals each for 0.2 ... 2.5 mm²	+, -: 2 screw terminals each for 0.5 ... 2.5 mm²
width of the enclosure	50 mm	32 mm
height of the enclosure	125 mm	100 mm
depth of the enclosure	125 mm	100 mm
required spacing
● top	50 mm	50 mm
● bottom	50 mm	50 mm
● left	0 mm	0 mm
● right	0 mm	0 mm
net weight	0.5 kg	0.32 kg
product feature of the enclosure housing can be lined up	Yes	Yes
fastening method	Snaps onto DIN rail EN 60715 35x7.5/15	Snaps onto DIN rail EN 60715 35x7.5/15
electrical accessories	Redundancy module, buffer module, diagnostics module SITOP select, DC UPS	Buffer module
MTBF at 40 °C	500 000 h	1 965 061 h
other information	Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)	Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)