857-642 WAGO 857 Series Fixed-Type Timing Relay Module w/ On- and Off-Delay Switching + 2 x Separate Adjustable Time Ranges + Yellow Led - for Railways Applications

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WAGO 857 Series Fixed-type timing relay module with ON- and OFF-delay switching + 2 x separate adjustable time ranges + 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 857642.

Manufacturer: WAGO
LINKS_Browse All WAGO Products: /manufacturers/wago
Product Family: 857 Series
Product Category: Connectivity
Product Type: Relay Modules
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
Connection technology: Push-in CAGE CLAMP®
Connection type (electrical): Fixed|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 - Reset time: 50ms
Degree of pollution: 2
Degree of protection: IP20
Depth from upper-edge of DIN-rail: 97.8 mm / 3.85 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 D97.8mm|6mm width
Electrical durability (with load): 50 000operations
Fine-stranded conductor: 0.34 | 2.5 mm² / 22 | 14 AWG
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)
Load circuit - Bounce time (typ.): 3.5ms
Load circuit - Contact material (relay): AgSnO2
Load circuit - Digital output (DO): UN - 1 V ; 100 mA
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
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: 52g
Width: 6 mm / 0.236 inches