Features

• Switched-mode power supply in 22.5 mm wide 2857 Series housing; device shares a common profile with the 2857 and 857 Series Signal Conditioners.
• Both 24 VDC and 0 V output voltage can be easily supplied to adjacent modules via 859-4xx Jumpers.
• Pluggable picoMAX® Connection Technology
• Natural convection cooling
• DC OK message as active signal output (24 VDC, 20 mA)
• Integrated redundancy diode enables easy fail-safe power supply via parallel connection of two power supplies.
• Approvals for worldwide applications

Approvals

• Det Norske Veritas, Germanischer Lloyd, DNV GL, TAA0000154

Specifications

Input

• Phases: 1
• Nominal input voltage Ui nom: 1 x AC 100 … 240 V
• Input voltage range: AC 85 … 264 V; DC 120 … 372 V
• Nominal mains frequency range: 47 … 63 Hz; 0 Hz
• Input current Ii: ≤ 0.28 A (240 VAC; Nominal load); ≤ 0.49 A (100 VAC; Nominal load)
• Discharge current: ≤ 1 mA
• Inrush current: ≤ 30 A
• Power factor: ≥ 0.6 (230 VAC; Nominal load; per EN 61000-3-2)
• Power factor correction (PFC): None
• Mains failure hold-up time: ≥ 20 ms (100 VAC)

Output

• Nominal output voltage Uo nom: DC 24 V (SELV)
• Default setting: DC 24 V
• Nominal output current Io nom: 1 A
• Nominal output power: 24 W
• Control deviation: ≤ 2 %
• Deviation, dynamic load change 10 … 90 %: ≤ 1 %
• Residual ripple: ≤ 100 mV (Peak-to-peak)
• Current limitation: 1.1 x Io nom (typ.)
• Overload behavior: Constant current

Signaling And Communication

• Signaling: 1 x LED DC OK (green) || 1 x Overload LED (red) || 1 x Active signal output DC OK (24 VDC; 20 mA)
• Operation status indicator: Green LED (Uo > 21.5 V) || Red LED (overload)

Efficiency/Power Losses

• Power loss Pl: ≤ 1 W (230 VAC; No load); ≤ 4.3 W (230 VAC; Nominal load)
• Power loss (max.) Pl (max.): 5 W (100 VAC / 24 VDC; 1 A)
• Efficiency (typ.): 86 % (230 VAC; Nominal load); 84 % (110 VAC; Nominal load)

Circuit Protection

• Internal fuse: T 2 A / 250 VAC
• Recommended backup fusing: Circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C

Safety And Protection

• Isolation voltage (Pri.-Sec.): DC 4.242 kV
• Protection class: II
• Protection type: IP20 (per EN 60529)
• Resistance to reverse feed: ≤ DC 60 V
• Pollution degree: 2
• Transient suppression (primary): Varistor
• Overvoltage protection; secondary: Internal protective circuit || ≤ 29 … 31 VDC (in the event of a fault)
• Short-circuit-protected: Yes
• Open-circuit-proof: Yes
• Parallel operation: Yes, for 2 devices of the same type
• Series operation: Yes, for 2 devices of the same type
• MTBF: > 500,000 h (at 25 °C per IEC 61709)

Connection Data

• Number of jumper slots: 4
• Connection type (1): Input/output/signaling
• Connection technology: Push-in CAGE CLAMP®
• WAGO Connector: picoMAX® 5.0
• Solid conductor: 0.2 … 2.5 mm² / 24 … 10 AWG
• Fine-stranded conductor: 0.2 … 2.5 mm² / 24 … 10 AWG
• Strip length: 9 … 10 mm / 0.35 … 0.39 inch

Physical Data

• Width: 22.5 mm / 0.886 inch
• Height from upper-edge of DIN-rail: 107 mm / 4.213 inch
• Depth: 105 mm / 4.122 inch

Mechanical Data

• Mounting type: DIN-35 rail

Material Data

• Fire load: 1.270 MJ
• Weight: 200.000 g

Environmental Requirements

• Surrounding air temperature (operation): -25 … 70 °C
• Surrounding air temperature (storage): -25 … 85 °C
• Relative humidity: 5 … 96 % (no condensation permissible)
• Derating: -2 %/K (> 60 °C)

Standards And Specifications

• Conformity marking: CE
• Standards/Specifications: EN 61000-6-2 || EN 61000-6-3 || EN 60950-1 || DNV GL
• Standards/Specifications (pending): UL 60950 || CULus 508 || ANSI-ISA 12.12.01 (Class I Div 2) || ATEX/IEC Ex

Commercial Data

• Packaging type: Box
• Country of origin Sales Organisation Germany: DE
• GTIN: 4055143295529
• Customs tariff number Sales Organisation Germany: 85044082900