Wago - 857-304

Plug-in relay assembly with socket base and ejector + yellow LED - WAGO (857 series) - single-pole / 1-pole (1P) - control voltage 20.4-28.8Vdc (24Vdc 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 connections - DIN-35 rail mounting (6mm width) - IP20 - material Silver-Tin (AgSnO) contacts - equivalent to 857304

Specifications

• Primary brand: WAGO
• Functions: Plug-in relay assembly
• Design: socket base and ejector|yellow LED|Electromechanical design|10V / 10mA / 24V / 1mA recommended minimum switching load
• Poles: single-pole / 1-pole (1P)
• Temperature: Processing temperature -25°C...+50°C
• Rated current: 6A (continuous)|3A (250Vac; AC-15)|2A (24Vdc; DC-13)|20A (20ms) AC inrush maximum current
• Rated operating voltage (Ue): 300V
• Rated voltage (AC): 250Vac max. (switching voltage)
• Rated impulse voltage (Uimp): 4kV
• Connection type: Push-in CAGE CLAMP connections
• Control Voltage (DC): 20.4-28.8Vdc (24Vdc nom.; 0.85...1.2 x Uc)
• Mounting mode: DIN-35 rail
• Response time: (OFF=>ON / contacts closing) 8ms / 0.008s|(ON=>OFF / contacts opening) 8ms / 0.008s
• Contacts type: 1C/O / SPDT (Single Pole Double Throw) contact
• Dimensions: H94mm x W6mm x D81mm|6mm width
• Material: Silver-Tin (AgSnO) contacts|Polyamide (PA) 66 housing
• Ambient air temperature for operation: -40°C...+60°C
• Ambient air temperature for storage: -40°C...+70°C
• Humidity: 5-85% relative humidity (RH; non-condensing)
• Electrical durability (with load): 50 000operations
• Mechanical durability (at no load): 5 000 000operations
• GTIN code: 4050821797807
• eClass code: 27-37-16-01
• ETIM code: EC001437
• Customs Tariff Number: 85364900990
• Order code / Manufacturer SKU: 857-304
• Manufacturer product status: Commercialized
• Equivalent to: 857304
• EAN code: 4050821797807
• Compliant with standard(s): Safety and protection|- Overvoltage category -- III|Safety information -- Adjacent devices of the same type are devices of the same design (series) that are arranged next to one another on the DIN-rail with the same orientation.|An end stop must be fitted to devices of other types for compliance with the reinforced insulation requirements.|ATEX|DNV|EN 61010-2-201|EN 61373|EN 61810-1|GL|IECEx|UL 508|General approvals|- EAC - GZO Almaty Standart - TP TC 004/2011 - certificate EAC CoC 03078|- UL - Underwriters Laboratories Inc. (ORDINARY LOCATIONS) - UL 508 - certificate E175199 Sec.4|Declarations of conformity and manufacturer's declarations|- EU-Declaration of Conformity - WAGO GmbH & Co. KG|- UK-Declaration of Conformity - WAGO GmbH & Co. KG|Approvals for marine applications|- BV - Bureau Veritas S.A. - Rules for class. of Steel Ships - certificate 40179_B0|- DNV - DNV Germany GmbH - DNV-CG-0339 / Aug.2021 - certificate TAA00001D1|- PRS - Polski Rejestr Statkow - certificate TE/1098/880590/23|Approvals for hazardous areas|- ATEX - DEKRA EXAM GmbH - EN 60079-0 - certificate BVS_14_ATEX_E_091_X (II 3G Ex ec nC IIC T4 Gc; II 3G Ex ec IIC T4 Gc)|- CCC - CNEX - CNCA-C23-01 - certificate 2020312304000757 (Ex ec nC IIC T4 Gc)|- IECEx - DEKRA EXAM GmbH - IEC 60079-0 - certificate IECEX_BVS_14.0079X_Issue_3 (Ex ec nC IIC T4 Gc; Ex ec IIC T4 Gc)|- UKEx - WAGO GmbH & Co. KG - EN 60079-0 - certificate UKCA_WAGO22UKEX002X_ec nC|- UL - Underwriters Laboratories Inc. (HAZARDOUS LOCATIONS) - UL 121201 - certificate E198726|RoHS compliant with exemption (7(a))|material group I|V-0 flammability rating
• Location of origin: China
• Degree of pollution: 2
• Level 1 category: Automation components
• Level 2 category: Control components
• Level 3 category: Control relays
• Product title: Plug-in relay assembly - WAGO

Basic relay

• WAGO Basic Relay: 857-152

Commercial data

• Country of origin: CN
• Customs tariff number: 85364900990
• ECCN: NO US CLASSIFICATION
• eCl@ss 10.0: 27-37-16-01
• eCl@ss 9.0: 27-37-16-01
• ETIM 8.0: EC001437
• ETIM 9.0: EC001437
• GTIN: 4050821797807
• Packaging type: box
• Product Group: 6 (INTERFACE ELECTRONIC)
• PU (SPU): 25 (1) pcs

Connection data

• Connection technology: Push-in CAGE CLAMP^®
• 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
• Solid conductor: 0.34 … 2.5 mm² / 22 … 14 AWG
• Strip length: 9 … 10 mm / 0.35 … 0.39 inches

Environmental Product Compliance

• CAS-No.: 7439-92-1|79-94-7
• REACH Candidate List Substance: 2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol|Lead
• RoHS Compliance Status: Compliant,With Exemption
• RoHS Exemption: 7(a)
• SCIP notification number (Austria): 890bbd29-8a39-46b4-aa2b-b445d7383193
• SCIP notification number (Belgium): cd09fda5-b324-4734-995a-ff29c0c9eda6
• SCIP notification number (Bulgaria): 04a750e3-84ea-4ba5-9ab2-55266b4db0b2
• SCIP notification number (Czech Republic): 6dc67810-1040-4e3a-8eea-02782e900886
• SCIP notification number (Denmark): 77efef82-3203-4bde-a1bd-42f7117d1652
• SCIP notification number (Finland): 7c985561-ce96-4278-8f64-22962c26fcea
• SCIP notification number (France): 6f74c20f-88ae-49b6-b0b5-f967866300f0
• SCIP notification number (Germany): c16952ac-475c-4c3c-a38b-72d416451f94
• SCIP notification number (Hungary): b36536ad-167a-4b9e-88f3-28cb23c555a6
• SCIP notification number (Italy): 9f92e62d-bd04-48c9-8dc1-d98000af3646
• SCIP notification number (Netherlands): 92b96baf-e008-48e0-b506-aea3cd047c43
• SCIP notification number (Poland): d641b813-4032-4bec-8ce1-00daa7dd4104
• SCIP notification number (Romania): accd36a7-2fff-41da-bcac-fd6f86b4a8e2
• SCIP notification number (Sweden): 2a874ee1-c3dd-4c7c-b371-75ad3afd11c6

Environmental requirements

• Ambient temperature (operation at U_N): -40 … +60 °C
• Ambient temperature (storage): -40 … +70 °C
• Operating altitude (max.): 2000m
• Processing temperature: -25 … +50 °C
• Relative humidity: 5 … 85 % (no condensation permissible)
• Temperature range of connection cable: ≥ (T_ambient + 30 K)

Material data

• Color: gray
• Fire load: 0.544MJ
• Flammability class per UL94: V0
• Insulation material (main housing): Polyamide (PA66)
• Material group: I
• Note (material data):
  Information on material specifications can be found here
  
• Weight: 31.6g

Mechanical data

• Mounting position: Horizontal (standing/lying); vertical
• Mounting type: DIN-35 rail

Notes

• Note: To protect the relay coils and contacts, inductive loads must be dampened with an effective protection circuit.
• Safety Information: Adjacent devices of the same type are devices of the same design (series) that are arranged next to one another on the DIN-rail with the same orientation. An end stop (249-116) must be fitted to devices of other types for compliance with the reinforced insulation requirements.

Physical data

• Depth from upper-edge of DIN-rail: 81 mm / 3.189 inches
• Height: 94 mm / 3.701 inches
• Width: 6 mm / 0.236 inches

Safety and protection

• Dielectric strength (control/load circuit) (AC, 1 min): 3.51 kVrms
• Dielectric strength (open contact) (AC, 1 min): 1 kVrms
• 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
• Overvoltage category: III
• Pollution degree: 2
• Protection type: IP20
• Rated impulse withstand voltage: 4kV
• Rated voltage: 300V
• Safety Information: Adjacent devices of the same type are devices of the same design (series) that are arranged next to one another on the DIN-rail with the same orientation. An end stop (249-116) must be fitted to devices of other types for compliance with the reinforced insulation requirements.
• Type of circuits: Mains circuits

Standards and specifications

• Standards/specifications: ATEX|IECEx|DNV|EN 61010-2-201|EN 61810-1|EN 61373|UL 508|GL|ATEX|IEC Ex

Technical data

• Control circuit - Input voltage range: -15 … +20 %
• Control circuit - Nominal input current at U_N: 10 mA
• Control circuit - Nominal input voltage U_N: 24 VDC
• Load circuit - Bounce time (typ.): 3.5ms
• Load circuit - Contact material (relay): AgSnO₂
• Load circuit - Drop-out time (typ.): 6ms
• 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: 6 A
• Load circuit - Mechanical life: 5 x 10⁶ switching operations
• Load circuit - Number of changeover/switchover contacts: 1
• Load circuit - Pull-in time (typ.): 6ms
• Load circuit - Recommended minimum load: 10 V / 10 mA; 24 V / 1 mA
• Load circuit - Short circuit protection (load circuit): 4 A; Fast (F)
• Load circuit - Switching capacity: AC-15: 3 A / 250 VAC; DC-13: 2 A / 24 VDC
• Load circuit - Switching frequency with/without load (max.): 6 min^-1 / 180 min^-1
• Load circuit - Switching power (resistive) max.: AC 1500 VA; DC (see load limit curve)
• Load circuit - Switching Voltage, Max.: 250 VAC
• Signaling - Status indicator: Yellow LED