Features

• DC/DC converter in a compact 6 mm housing
• DC/DC converters (787-28xx) supply devices with 5, 10, 12 or 24 VDC from a 24 or 48 VDC power supply with an output power up to 12 W.
• Output voltage monitoring via DC OK signal output
• Can be commoned with 857 and 2857 Series devices
• Comprehensive range of approvals for multiple applications

Approvals

• Underwriters Laboratories Inc., UL, E175199 Vol3 Sec1, UL 61010-2-201

Specifications

Input

• Nominal input voltage Ui nom: DC 24 V
• Input voltage range: DC 15 … 30 V
• Nominal mains frequency range: 0 Hz
• Input current Ii: ≤ 0.5 A
• Inrush current: ≤ 0.5 A (at nominal input voltage)

Output

• Nominal output voltage Uo nom: DC 12 V
• Output voltage range: ±2 %
• Nominal output current Io nom: 0.5 A
• Nominal output power: 6 W
• Control deviation: ≤ 2 %
• Load regulation: ≤ 1 %
• Residual ripple: ≤ 20 mV (Peak-to-peak)

Signaling And Communication

• Signaling: 1 x LED DC OK (green) || 1 x Short circuit LED (red) || 1 x Active signal output (Ui, max. 4 mA)
• Operation status indicator: Green LED (Uo) || Red LED (short circuit)

Efficiency/Power Losses

• Power loss Pl: ≤ 0.21 W (No load); ≤ 0.7 W (Nominal load)
• Efficiency (typ.): 90 % (At nominal input voltage and nominal output)

Circuit Protection

• Internal fuse: No

Safety And Protection

• Protection class: III
• Protection type: IP20 (per EN 60529)
• Reverse voltage protection: Yes
• Resistance to reverse feed: ≤ DC 16 V
• Pollution degree: 2
• Short-circuit-protected: Yes
• Open-circuit-proof: Yes
• Parallel operation: No
• Series operation: No
• MTBF: > 1,800,000 h

Connection Data

• Number of jumper slots: 8
• Connection technology: Push-in CAGE CLAMP®
• WAGO Connector: WAGO 857 Series
• Solid conductor: 0.08 … 2.5 mm² / 28 … 14 AWG
• Fine-stranded conductor: 0.34 … 2.5 mm² / 22 … 14 AWG
• Strip length: 9 … 10 mm / 0.35 … 0.39 inch

Physical Data

• Width: 6 mm / 0.236 inch
• Height: 94 mm / 3.701 inch
• Depth from upper edge of DIN-rail: 97.8 mm / 3.85 inch

Mechanical Data

• Mounting type: DIN-35 rail

Material Data

• Fire load: 0.000 MJ
• Weight: 48.600 g

Environmental Requirements

• Surrounding air temperature (operation): -25 … 70 °C
• Surrounding air temperature (storage): -40 … 85 °C
• Relative humidity: ≤ 95% (no condensation permissible)
• Derating: No derating

Standards And Specifications

• Conformity marking: CE
• Standards/Specifications: EN 61000-6-2 || EN 61000-6-3 || EN 60950-1 || UL 61010-2-201

Commercial Data

• Packaging type: Bag
• Country of origin Sales Organisation Germany: DE
• GTIN: 4055143407045
• Customs tariff number Sales Organisation Germany: 85044082900