WAGO
WAGO 857 Series Plug-in relay assembly with socket base and ejector + yellow LED, single-pole / 1-pole (1P), control voltage 20.4-28.8Vac (24Vac nom.; 50/60Hz; 0.85...1.2 x Uc)/20.4-28.8Vdc (24Vdc nom.; 0.85...1.2 x Uc), 1C/O / SPDT (Single Pole Double Throw) contact, Electromechanical design, Rated current 50mA (30Vdc; DC-13) (max. recommended current to avoid evaporating the Gold flash), with Push-in CAGE CLAMP spring connections, DIN-35 rail mounting (6mm width), IP20, material Hard Gold-plated Silver-Nickel (AgNi + Au) contacts, equivalent to 857364.
- Manufacturer: WAGO
- LINKS_Browse All WAGO Products: /manufacturers/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: 857-157
- 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 (AC): 20.4-28.8Vac (24Vac nom.; 50/60Hz; 0.85...1.2 x Uc)
- Control Voltage (AC): 24Vac
- Control Voltage (DC): 20.4-28.8Vdc (24Vdc nom.; 0.85...1.2 x Uc)
- Control Voltage (DC): 24Vdc
- Control circuit - Input voltage range: -15 | +20 %
- Control circuit - Nominal frequency range (input voltage): 50 | 60 HzAC / 0 HzDC
- Control circuit - Nominal input current at UN: 8.5 mA
- Control circuit - Nominal input voltage UN: AC/DC 24 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: 0.563MJ
- 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): AgNi + Au
- 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: 1 V / 1 mA / 1 mW
- 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: Hard Gold-plated Silver-Nickel (AgNi + Au) contacts
- Mechanical durability (at no load): 5 000 000operations
- Mounting mode: DIN rail
- Mounting position: Horizontal (standing/lying); vertical
- 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 surge voltage: 4kV
- Rated voltage (AC): 250Vac max. (switching voltage)
- Relative humidity: 5 | 85 % (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 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: 30.3g
- Width: 6 mm / 0.236 inches
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