Extract from the online
catalog
STEP-PS/1AC/24DC/2.5
Order No.: 2868651
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2868651
DIN rail power supply of 24 V DC/2.5 A, primary switched, single
phase.
Product notes
Commercial data
EAN
Pack
Customs tariff
Weight/Piece
Catalog page information
4046356163224
1 pcs.
85044081
0.322 KG
Page 581 (IF-2009)
http://
www.download.phoenixcontact.com
Please note that the data given
here has been taken from the
online catalog. For comprehensive
information and data, please refer
to the user documentation. The
General Terms and Conditions of
Use apply to Internet downloads.
WEEE/RoHS-compliant since:
03/27/2007
Product description
STEP POWER power supply units – for building automation
The new STEP POWER generation of compact power supply units is particularly suitable for installation distributors
and flat control panels thanks to its design. The power supply units are available with 24 V DC output voltage in four
performance classes and widths and with the special voltages 5, 12, 15 and 48 V DC. Their high degree of efficiency and
the low standby losses make for high power efficiency.
PHOENIX CONTACT Inc., USA
http://www.phoenixcon.com
Page 1 / 6
Mar 23, 2010
STEP-PS/1AC/24DC/2.5
Order No.: 2868651
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2868651
Technical data
Input data
Nominal input voltage
AC input voltage range
DC input voltage range
AC frequency range
DC frequency range
Current consumption
Inrush surge current
Power failure bypass
Input fuse
Permissible backup fuse
100 V AC ... 240 V AC
85 V AC ... 264 V AC
95 V DC ... 250 V DC
45 Hz ... 65 Hz
0 Hz
Approx. 0.8 A (120 V AC)
Approx. 0.4 A (230 V AC)
< 15 A (typical)
> 20 ms (120 V AC)
> 100 ms (230 V AC)
3.15 A (slow-blow, internal)
6 A (characteristic B)
10 A (characteristic B)
16 A (characteristic B)
Name of protection
Protective circuit/component
Output data
Nominal output voltage
Setting range of the output voltage
Output current
24 V DC ±1%
22.5 V DC ... 29.5 V DC (> 24 V constant capacity)
2.5 A (-25°C ... 55°C)
2.75 A (-25 °C ... 40 °C permanent)
4.4 A (maximum output current)
Derating
Connection in parallel
Connection in series
Control deviation
From +55°C to 70°C: 2.5% per Kelvin
Yes, for redundancy and increased capacity
Yes
< 1 % (change in load, static 10% ... 90%)
< 2 % (change in load, dynamic 10% ... 90%)
< 0.1 % (change in input voltage ±10%)
Residual ripple
Peak switching voltages nominal load
Maximum power dissipation idling
Power loss nominal load max.
< 50 mV
PP
(with nominal values)
< 50 mV
PP
(with nominal values)
< 0.7 W
9.9 W
Transient surge protection
Varistor
PHOENIX CONTACT Inc., USA
http://www.phoenixcon.com
Page 2 / 6
Mar 23, 2010
STEP-PS/1AC/24DC/2.5
Order No.: 2868651
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2868651
General data
Width
Height
Depth
Weight
Operating voltage display
Efficiency
Insulation voltage input/output
Degree of protection
Class of protection
MTBF
Ambient temperature (operation)
Ambient temperature (storage/transport)
Max. permissible relative humidity (operation)
Mounting position
Assembly instructions
Electromagnetic compatibility
Immunity to interference
Standard – Electrical equipment of machines
Standard - Safety of transformers
Standard - Electrical safety
Shipbuilding approval
Standard – Electronic equipment for use in
electrical power installations and their assembly
into electrical power installations
Standard – Safety extra-low voltage
Standard - Safe isolation
Standard – Protection against electric shock
Standard – Protection against shock currents,
basic requirements for protective separation in
electrical equipment
Standard – Limitation of mains harmonic currents
Certificate
72 mm
90 mm
61 mm
0.3 kg
LED green
> 86 % (for 230 V AC and nominal values)
4 kV AC (type test)
2 kV AC (routine test)
IP20
II
> 500 000 h in acc. with IEC 61709 (SN 29500)
-25 °C ... 70 °C (> 55° C derating)
-40 °C ... 85 °C
95 % (at 25 °C, no condensation)
Horizontal DIN rail NS 35, EN 60715
Can be aligned: Horizontal 0 cm, vertical 3 cm
Conformance with EMC guideline 2004/108/EC and for low-
voltage guideline 2006/95/EC
EN 61000-6-2:2005
EN 60204
IEC 61558-2-17
IEC 60950/VDE 0805 (SELV)
Germanischer Lloyd (EMC 1), ABS, LR, RINA, NK, DNV, BV
EN 50178/VDE 0160 (PELV)
IEC 60950 (SELV) and EN 60204 (PELV)
DIN VDE 0100-410
DIN VDE 0106-1010
DIN 57100-410
DIN VDE 0106-101
EN 61000-3-2
CB Scheme
PHOENIX CONTACT Inc., USA
http://www.phoenixcon.com
Page 3 / 6
Mar 23, 2010
STEP-PS/1AC/24DC/2.5
Order No.: 2868651
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2868651
UL approvals
UL/C-UL listed UL 508
UL/C-UL Recognized UL 60950
NEC Class 2 as per UL 1310
UL listed ANSI/ISA-12.12.01 class I, division 2, groups A, B, C, D
Connection data, input
Type of connection
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section stranded min.
Conductor cross section stranded max.
Conductor cross section AWG/kcmil min.
Conductor cross section AWG/kcmil max
Stripping length
Screw thread
Connection data, output
Type of connection
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section stranded min.
Conductor cross section stranded max.
Conductor cross section AWG/kcmil min.
Conductor cross section AWG/kcmil max
Stripping length
Signaling
Output name
Status display
Note on status display
Certificates / Approvals
LED status indicator
"DC OK" LED green
U
OUT
> 21.5 V: LED lights up
Screw connection
0.2 mm²
2.5 mm²
0.2 mm²
2.5 mm²
24
12
6.5 mm
Screw connection
0.2 mm²
2.5 mm²
0.2 mm²
2.5 mm²
24
12
6.5 mm
M3
Certification
ABS, BV, CB, CUL, CUL Listed, DNV, GL, LR, NK, UL, UL Listed
PHOENIX CONTACT Inc., USA
http://www.phoenixcon.com
Page 4 / 6
Mar 23, 2010
STEP-PS/1AC/24DC/2.5
Order No.: 2868651
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2868651
Certification Ex:
Diagrams/Drawings
Block diagram
CUL-EX LIS, UL-EX LIS
Approbationslogos (EX-Bereich)
PHOENIX CONTACT Inc., USA
http://www.phoenixcon.com
Page 5 / 6
Mar 23, 2010
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