Input:

• type of the power supply network: 1-phase AC.
• supply voltage at AC: Automatic range selection.
• supply voltage: 120 V/230 V.
• input voltage 1 at AC: 85 ... 132 V.
• input voltage 2 at AC: 170 ... 264 V.
• wide range input: No.
• overvoltage overload capability: 2.3 × Vin rated, 1.3 ms.
• buffering time for rated value of the output current in the event of power failure minimum: 20 ms.
• operating condition of the mains buffering: at Vin = 93/187 V.
• line frequency: 50/60 Hz.
• line frequency: 45 ... 65 Hz.
• input current:
• at rated input voltage 120 V: 3.7 A.
• at rated input voltage 230 V: 1.7 A.
• current limitation of inrush current at 25 °C maximum: 62 A.
• duration of inrush current limiting at 25 °C.
• maximum: 3 ms.
• I2t value maximum: 12 A²·s.
• fuse protection type: T 6.3 A/250 V (not accessible).
• fuse protection type in the feeder: Recommended miniature circuit breaker: 16 A characteristic B or 10 A characteristic 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.
• output voltage adjustable: No.
• relative overall tolerance of the voltage: 1 %.
• relative control precision of the output voltage:
• on slow fluctuation of input voltage: 0.1 %.
• on slow fluctuation of ohm loading: 0.1 %.
• residual ripple:
• maximum: 50 mV.
• voltage peak:
• maximum: 150 mV.
• display version for normal operation: LED green for 24 V OK; LED red for error; LED yellow for stand-by.
• behavior of the output voltage when switching on: No overshoot of Vout (soft start).
• response delay maximum: 1.5 s.
• voltage increase time of the output voltage:
• typical: 10 ms.
• output current:
• rated value: 8 A.
• rated range: 0 ... 8 A.
• supplied active power typical: 192 W.
• short-term overload current:
• on short-circuiting during the start-up typical: 35 A.
• at short-circuit during operation typical: 35 A.
• duration of overloading capability for excess current:
• on short-circuiting during the start-up: 70 ms.
• at short-circuit during operation: 70 ms.
• bridging of equipment: Yes.
• number of parallel-switched equipment resources for increasing the power: 2.

efficiency:

• efficiency in percent: 90 %.
• power loss [W]:
• at rated output voltage for rated value of the output current typical: 21 W.

closed-loop control:

• relative control precision of the output voltage with rapid fluctuation of the input voltage by +/- 15% typical: 0.1 %.
• relative control precision of the output voltage load step of resistive load 50/100/50 % typical: 2%.
• relative control precision of the output voltage at load step of resistive load 10/90/10 % typical: 3 %.
• setting time:
• load step 10 to 90% typical: 5 ms.
• load step 90 to 10% typical: 5 ms.
• maximum: 5 ms.

protection and monitoring:

• design of the overvoltage protection: Additional control loop, limitation (closed loop control) at < 28.8 V.
• property of the output short-circuit proof: Yes.
• design of short-circuit protection: Electronic shutdown, automatic restart.
• response value current limitation: 8.4 ... 9.6 A.
• typical: 9 A.

Safety:

• galvanic isolation between input and output: Yes.
• galvanic isolation: Safety extra-low output voltage Vout acc. to EN 60950-1 and EN 50178 and EN 61131-2.
• operating resource protection class: Class I.
• leakage current:
• maximum: 3.5 mA.
• typical: 1.3 mA.
• protection class IP: IP20.
• standard:
• for emitted interference: EN 55022 Class B.
• for mains harmonics limitation: EN 61000-3-2.
• for interference immunity: EN 61000-6-2.

standards, specifications, approvals:

• certificate of suitability:
• CE marking: Yes.
• MTBF at 40 °C: 1 362 918 h.

ambient conditions:

• ambient temperature:
• in horizontal mounting position during operation: -40 ... +70 °C; with natural convection.
• during transport: -40 ... +85 °C.
• during storage: -40 ... +85 °C.
• installation altitude at height above sea level maximum: 6 000 m.
• ambient condition relating to ambient temperature - air pressure: In case of operation at altitudes of 2000 - 6000 m above sea level: Output.
• installation altitude: power derating of -7.5 %/1000 m or reduction of the ambient temperature by 5 K/1000 m.
• relative humidity with condensation according to IEC 60068-2-38 maximum: 100 %; RH incl. condensation/frost (no commissioning if condensation is present), horizontal installation.
• chemical resistance to commercially available cooling lubricants: Yes; incl. diesel and oil droplets in the air.
• resistance to biologically active substances conformity according to EN 60721-3-3: Yes; Class 3B2 mold, fungal, sponge spores (except fauna); class 3B3 upon request.
• resistance to chemically active substances conformity according to EN 60721-3-3: Yes; Class 3C4 (RH < 75%) incl. salt spray acc. to EN 60068-2-52 (severity level 3).
• resistance to mechanically active substances conformity according to EN 60721-3-3: Yes; Class 3S4 incl. sand, dust.
• resistance to biologically active substances conformity according to EN 60721-3-6: Yes; Class 6B2 mold, fungal, sponge spores (except fauna).
• resistance to chemically active substances conformity according to EN 60721-3-6: Yes; Class 6C3 (RH < 75%) incl. salt spray acc. to EN 60068-2-52 (severity level 3).
• resistance to mechanically active substances conformity according to EN 60721-3-6: Yes; Class 6S3 incl. sand, dust.
• coating for equipped printed circuit board according to EN 61086: Yes; Class 2 for high availability.
• type of coating protection against pollution according to EN 60664-3: Yes; Type 1 protection.
• type of test of the coating according to MIL-I-46058C: Yes; Discoloration of the coating during service life possible.
• product conformity of the coating Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830A: Yes; Conformal Coating, Class A.

connection method:

• type of electrical connection: Screw-/spring clamp connection.
• at input: L, N, PE: 1 screw terminal each for 0.5 ... 2.5 mm².
• at output: L+, M: 2 spring-loaded terminals each for 0.5 to 2.5 mm².
• removable terminal at input: Yes.
• removable terminal at output: Yes.

mechanical data:

• width × height × depth of the enclosure: 75 × 147 × 129 mm.
• installation width × mounting height: 75 mm × 205 mm.
• required spacing:
• top: 40 mm.
• bottom: 40 mm.
• left: 0 mm.
• right: 0 mm.
• fastening method: Can be mounted onto S7-1500 rail.
• standard rail mounting: No.
• S7 rail mounting: Yes.
• wall mounting: No.
• housing can be lined up: Yes.
• net weight: 0.74 kg.