857-604 WAGO 857 Series Timing Relay Assembly w/ On-Delay Switching + Socket Base and Ejector + Yellow Led - for Railways Applications

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WAGO 857 Series Timing relay assembly with ON-delay switching + socket base and ejector + yellow LED, for railways applications, single-pole / 1-pole (1P), control voltage 16.8-31.2Vdc (24Vdc nom.; 0.7...1.3 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 857604.

  • Manufacturer: WAGO
  • Product Family: 857 Series
  • Product Category: Connectivity
  • Product Type: Relay Assemblies
  • Ambient air temperature for operation: -25°C...+70°C
  • Ambient air temperature for storage: -40°C...+70°C
  • Ambient temperature (operation at UN): -25 | 70 °C
  • Application type: Railways applications
  • Basic relay - WAGO Basic Relay: 857-150
  • Connection technology: Push-in CAGE CLAMP<sup>®</sup>
  • Connection type (electrical): Terminals (Cage-clamp)
  • Contacts type: 1C/O|SPDT (Single Pole Double Throw)
  • Control Voltage (DC): 16.8-31.2Vdc (24Vdc nom.; 0.7...1.3 x Uc)
  • Control Voltage (DC): 24Vdc
  • Control circuit - Input voltage range: ±30 %
  • Control circuit - Nominal input current at UN: 18 mA
  • Control circuit - Nominal input voltage UN: DC 24 V
  • Control circuit - Repeat accuracy: 0.01
  • Control circuit - Reset time: 50ms
  • 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): 4 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
  • Fire load: 0.512MJ
  • Flammability class per UL94: V0
  • General approvals additional text: TP TC 004/2011|TP TC 020/2011|UL 508
  • Height: 94 mm / 3.701 inches
  • Humidity: 5-95% relative humidity (RH; no condensation permissible)
  • Insulation material: Polyamide (PA66)
  • Load circuit - Bounce time (typ.): 3.5ms
  • Load circuit - Contact material (relay): AgSnO<sub>2</sub>
  • Load circuit - Drop-out time (typ.): 25ms
  • 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.): 15ms
  • 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 power (resistive) max.: AC 1500 VA; DC (see load limit curve)
  • Load circuit - Switching voltage (max.): AC 250 V
  • Material: Silver-Tin (AgSnO) contacts|Polyamide (PA) 66
  • Mechanical durability (at no load): 5 000 000operations
  • Mounting mode: DIN rail
  • Operating altitude (max.): 2000m
  • 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 | 95 % (no condensation permissible)
  • Response time: (OFF=>ON / contacts closing) 15ms / 0.015s|(ON=>OFF / contacts opening) 25ms / 0.025s
  • Signaling - Status indicator: Yellow LED
  • Solid conductor: 0.34 | 2.5 mm² / 22 | 14 AWG
  • Standards and specifications - Standards/specifications: EN 61812-1|EN 61373|EN 50121-3-2|UL 508
  • Surrounding air temperature (storage): -40 | +70 °C
  • Weight: 24.9g
  • Width: 6 mm / 0.236 inches

857-604
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