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WAGO
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Electronics
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Series 787
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WAGO 787-2805
WAGO 787-2805
787-2805 WAGO 787-2805
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Part #
787-2805
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EPSITRON ® DC/DC converter; input voltage 24 VDC; output voltage 12 VDC; 0.5 A
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EPSITRON ® DC/DC converter; input voltage 24 VDC; output voltage 12 VDC; 0.5 A
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
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