787-2857

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Part Number: 787-2857
Tariff Code: 85044083900
UPC: 4066966241730

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Safety And Protection

Isolation voltage (pri.-sec., AC): 3920 V
Isolation voltage (pri.-PE, AC): 2470 V
Isolation voltage (sec.-PE): DC 0.5 V
Protection class: I
Protection type: IP20; per EN 60529
Overvoltage category: III (≤ 2000 m a. s.l.); II (> 2000 m a. s.l.)
Pollution degree: 2
Overvoltage protection; secondary: ≤ 32 VDC (in the event of a fault)
Short-circuit-protected: Yes
Open-circuit-proof: Yes
Parallel operation: Yes
Series operation: Yes
MTBF: > 2,500,000 h (per EN/IEC 61709 at +40 °C)

Environmental Requirements

Ambient temperature (operation): -25 … +70 °C (Nominal mounting position; −25 … +55 °C (in any mounting position))
Ambient temperature (storage): -40 … +85 °C
Relative humidity: 5 … 96 % (no condensation permissible)
Derating: −1.7 %/K (> 55 °C)
Operating altitude (max.): 5000 m

Connection Data

Connection type 1: Input
Connection technology: Push-in CAGE CLAMP®
WAGO connector: WAGO 804 Series
Solid conductor: 0.25 … 2.5 mm² / 20 … 12 AWG
Fine-stranded conductor: 0.25 … 2.5 mm² / 22 … 12 AWG
Strip length: 10 … 11 mm / 0.39 … 0.43 inches
Connection type 2: Output
Connection technology 2: Push-in CAGE CLAMP®
WAGO connector 2: WAGO 805 Series
Solid conductor 2: 0.2 … 1.5 mm² / 24 … 16 AWG
Fine-stranded conductor 2: 0.2 … 1.5 mm² / 24 … 16 AWG
Strip length 2: 9 … 10 mm / 0.35 … 0.39 inches
Cable length (max.): 30 m

Signaling And Communication

Signaling: 1 x Status indication LED (green)
Operation status indicator: Green LED (Uo)

Physical Data

Width: 36 mm / 1.417 inches
Height: 90 mm / 3.543 inches
Depth: 62 mm / 2.441 inches
Depth from upper-edge of DIN-rail: 55 mm / 2.165 inches

Material Data

Flammability class per UL94: V0
Fire load: 0.000 MJ
Weight: 120.000 g

Input

Phases: 1
Nominal input voltage Ui nom: 1 x AC 100 … 240 V
Input voltage range: 1 x AC 100 … 264 V
Nominal mains frequency range: 50 … 60 Hz
Input current Ii: ≤ 0.4 A (100 VAC); ≤ 0.2 A (240 VAC)
Inrush current: ≤ 24 A (NTC)
Mains failure hold-up time: ≥ 95 ms (230 VAC)

Output

Nominal output voltage Uo nom: DC 18 V (SELV)
Nominal output current Io nom: 1.25 A (18 VDC)
Nominal output power: 22 W
Deviation: ≤ 2 %
Residual ripple: ≤ 60 mV (peak-to-peak)
Overload behavior: Hiccup

Standards And Specifications

Conformity marking: CE
Standards/specifications: EN 61204-3 || EN 61010-1 || EN 61010-2-201 || CULus 61010-1 || CULus 61010-2-201 || DNV

Mechanical Data

Mounting type: DIN-35 rail

Specifications

Product Group Code: 0006

Commercial Data

Country of origin: CN
GTIN: 4066966241730
Customs tariff number: 85044083900

Efficiency/Power Losses

Power loss Pl: ≤ 0.5 W (230 VAC; no load); ≤ 4 W (230 VAC; nominal load)
Power loss (max.) Pl (max.): 5 W (110 VAC / 24 VDC; 1.35 A)
Efficiency (typ.): 88 %

<B>Circuit Protection</B>

Internal fuse: T 1.25 A / 250 VAC
Backup fusing (recommended): 16 A (for USA/Canada: 15 A)

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