General information:

• Product type designation: PS 25W 24VDC.
• based on: 6ES7505-0KA00-0AB0.
• Redundancy:
• Redundancy capability: Yes.
• for uprating: Yes.

Supply voltage:

• Rated value (DC): 24 V; SELV.
• permissible range, lower limit (DC): 19.2 V; Static 19.2 V, dynamic 18.5 V.
• permissible range, upper limit (DC): 28.8 V; Static 28.8 V, dynamic 30.2 V.
• Reverse polarity protection: Yes.
• Short-circuit protection: Yes.
• Mains buffering:
• Mains/voltage failure stored energy time: 20 ms.

Output current:

• Short-circuit protection: Yes.

Power:

• Infeed power to the backplane bus: 25 W; > +60 °C max. power input 12.5 W.

Power loss:

• Power loss at nominal rating conditions: 6.2 W.

Interrupts/diagnostics/status information:

• Status indicator: Yes.

Potential separation:

• primary/secondary: Yes; Electrical isolation for max. 60 V AC/75 V DC (base isolation).

Isolation:

• Isolation tested with: 707 V DC (type test).

EMC:

• Interference immunity against voltage surge.
• Interference immunity on supply lines acc. to IEC 61000-4-5: Yes; ±1 kV (acc. to IEC 61000-4-5; 1995; surge symm.), ±2 kV (acc. to IEC 61000-4-5; 1995; surge asymm.), no external protective circuit required.

Degree and class of protection:

• IP degree of protection: IP20.
• Equipment protection class: III, with protective conductor.

Ambient conditions:

• Ambient temperature during operation.
• min.: -40 °C; = Tmin (incl. condensation/frost); start-up @ -25 °C.
• max.: 70 °C; = Tmax; for vertical mounting position Tmax = +40 °C.
• Ambient temperature during storage/transportation.
• min.: -40 °C.
• max.: 70 °C.
• Altitude during operation relating to sea level:
• Installation altitude above sea level, max.: 5 000 m.
• Ambient air temperature-barometric pressure-altitude: Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m).
• Relative humidity:
• With condensation, tested in accordance with IEC 60068-2-38, max.: 100 %; RH incl. condensation/frost (no commissioning under condensation conditions).
• Resistance:
• Coolants and lubricants.
• Resistant to commercially available coolants and lubricants: Yes; Incl. diesel and oil droplets in the air.
• Use in stationary industrial systems:
• to biologically active substances according to EN 60721-3-3:  Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request.
• to chemically active substances according to EN 60721-3-3 Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *.
• to mechanically active substances according to EN 60721-3-3 Yes; Class 3S4 incl. sand, dust, *.
• Use on ships/at sea:
• to biologically active substances according to EN 60721-3-6: Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request.
• to chemically active substances according to EN 60721-3-6: Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *.
• to mechanically active substances according to EN 60721-3-6: Yes; Class 6S3 incl. sand, dust; *.
• Usage in industrial process technology:
• Against chemically active substances acc. to EN 60654-4: Yes; Class 3 (excluding trichlorethylene).
• Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04: Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil).
• Remark:
• Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04: * The supplied plug covers must remain in place over the unused interfaces during operation!
• Conformal coating:
• Coatings for printed circuit board assemblies acc. to EN 61086: Yes; Class 2 for high reliability.
• Protection against fouling acc. to EN 60664-3: Yes; Type 1 protection.
• Military testing according to MIL-I-46058C, Amendment 7: Yes; Discoloration of coating possible during service life.
• Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC CC-830A: Yes; Conformal coating, Class A.

Dimensions:

• Width 35 mm.
• Height 147 mm.
• Depth 129 mm.

Weights:

• Weight, approx. 350 g.