857-303 WAGO 857 Series Plug-In Relay Assembly w/ Socket Base and Ejector + Yellow Led

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WAGO 857 Series Plug-in relay assembly with socket base and ejector + yellow LED, single-pole / 1-pole (1P), control voltage 10.2-14.4Vdc (12Vdc nom.; 0.85...1.2 x Uc), 1C/O / SPDT (Single Pole Double Throw) contact, Electromechanical design, Rated current 6A (continuous) / 3A (250Vac; AC-15) / 2A (24Vdc; DC-13), with Push-in CAGE CLAMP spring connections, DIN-35 rail mounting (6mm width), IP20, material Silver-Tin (AgSnO) contacts, equivalent to 857303.

  • Manufacturer: WAGO
  • Product Family: 857 Series
  • Product Category: Connectivity
  • Product Type: Relay Assemblies
  • Ambient air temperature for operation: -40°C...+60°C
  • Ambient air temperature for storage: -40°C...+70°C
  • Ambient temperature (operation at UN): -40 | 60 °C
  • Basic relay - WAGO Basic Relay: 857-150
  • Connection technology: Push-in CAGE CLAMP<sup>®</sup>
  • Connection type (electrical): Plug-in|Terminals (Cage-clamp)
  • Contacts type: 1C/O|SPDT (Single Pole Double Throw)
  • Control Voltage (DC): 10.2-14.4Vdc (12Vdc nom.; 0.85...1.2 x Uc)
  • Control Voltage (DC): 12Vdc
  • Control circuit - Input voltage range: -15 | +20 %
  • Control circuit - Nominal input current at UN: 17 mA
  • Control circuit - Nominal input voltage UN: DC 12 V
  • Degree of pollution: 2
  • Degree of protection: IP20
  • Depth from upper-edge of DIN-rail: 81 mm / 3.189 inches
  • Dielectric strength (control/load circuit) (AC, 1 min): 3.51 kVrms
  • Dielectric strength (open contact) (AC, 1 min): 1 kVrms
  • Dimensions: H94mm x W6mm x D81mm|6mm width
  • Electrical durability (with load): 50 000operations
  • Fine-stranded conductor: 0.34 | 2.5 mm² / 22 | 14 AWG
  • Fine-stranded conductor; with insulated ferrule: 0.34 | 1.5 mm² / 22 | 16 AWG
  • Fire load: 0.492MJ
  • General approvals additional text: UL 508
  • Height: 94 mm / 3.701 inches
  • Humidity: 5-85% relative humidity (RH; no condensation permissible)
  • Insulation type (between adjacent devices of the same type): Double insulation (safe isolation)
  • Insulation type (control/load circuit): Reinforced insulation (safe isolation)
  • Insulation type (to adjacent devices of different types): Basic insulation
  • Load circuit - Bounce time (typ.): 3.5ms
  • Load circuit - Contact material (relay): AgSnO<sub>2</sub>
  • Load circuit - Drop-out time (typ.): 8ms
  • Load circuit - Electrical life (NO; resistive load; 23 °C): 50 x 10³ switching operations
  • Load circuit - Inrush current (resistive) max.: (AC) 20 A / 0.02 s
  • Load circuit - Limiting continuous current: 0.25
  • Load circuit - Mechanical life: 5 x 10⁶ switching operations
  • Load circuit - Number of changeover/switchover contacts: 1
  • Load circuit - Pull-in time (typ.): 8ms
  • Load circuit - Recommended minimum load: 10 V / 10 mA; 24 V / 1 mA
  • Load circuit - Switching capacity: AC-15: 3 A / AC 250 V; DC-13: 2 A / DC 24 V
  • Load circuit - Switching frequency with/without load (max.): 6 min<sup>-1</sup> / 180 min<sup>-1</sup>
  • Load circuit - Switching power (resistive) max.: AC 1500 VA; DC (see load limit curve)
  • Load circuit - Switching voltage (max.): AC 250 V
  • Material: Silver-Tin (AgSnO) contacts
  • Mechanical durability (at no load): 5 000 000operations
  • Mounting mode: DIN rail
  • Mounting position: Horizontal (standing/lying); vertical
  • Operating altitude (max.): 2000m
  • Overvoltage category: III
  • Poles: single-pole / 1-pole (1P)
  • Poles: 1P
  • Pollution degree: 2
  • Processing temperature: -25 | +50 °C
  • Protection type: IP20
  • Rated impulse voltage (Uimp): 4kV
  • Rated operating voltage (Ue): 250V
  • Rated surge voltage: 4kV
  • Rated voltage (AC): 250Vac max. (switching voltage)
  • Relative humidity: 5 | 85 % (no condensation permissible)
  • Response time: (OFF=>ON / contacts closing) 8ms / 0.008s|(ON=>OFF / contacts opening) 8ms / 0.008s
  • Signaling - Status indicator: Yellow LED
  • Solid conductor: 0.34 | 2.5 mm² / 22 | 14 AWG
  • Standards and specifications - Standards/specifications: EN 61010-2-201|EN 61810-1|EN 61373|UL 508|ATEX|IEC Ex
  • Surrounding air temperature (storage): -40 | +70 °C
  • Temperature range of connection cable per EN 61010-2-201: ≥ (T<sub>ambient</sub> + 30 K)
  • Weight: 30.6g
  • Width: 6 mm / 0.236 inches

857-303
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