cBallast
Industrial Parts Catalog
Datasheet generated 2026-10-07
sales@cballast.com
cballast.com

Relay module, Nominal input voltage: 24 VDC, 1 changeover contact, Limiting continuous current: 6 A (857-304)

WAGO · Control & Automation · Relays & Timers
Part Number
857-304  ·  HS 8536.90
Relay module, Nominal input voltage: 24 VDC, 1 changeover contact, Limiting continuous current: 6 A (857-304)

WAGO 857-304 Manufacturer description: Relay module; Nominal input voltage: 24 VDC; 1 changeover contact; Limiting continuous current: 6 A; Yellow status indicator; Module width: 6 mm; gray. Pluggable relay, 6mm, 24VDC 1C/O.

Technical Specifications

Manufacturer part number (MPN)857-304
EAN / GTIN4050821797807
HS code8536.90
Sales unitpcs
NoteTo protect the relay coils and contacts, inductive loads must be dampened with an effective protection circuit.
Rated Voltage300 V
Rated impulse withstand voltage4 kV
Type of circuitsMains circuits
Overvoltage categoryIII
Pollution degree2
Dielectric strength (control/load circuit) (AC, 1 min)3.51 kVrms
Dielectric strength (open contact) (AC, 1 min)1 kVrms
Insulation type (control/load circuit)Reinforced insulation (safe isolation)
Insulation type (between adjacent devices of the same type)Double insulation (safe isolation)
Insulation type (to adjacent devices of different types)Basic insulation
Protection typeIP20
Connection technologyPush-in CAGE CLAMP®
Solid conductor0.34 … 2.5 mm² / 22 … 14 AWG
Fine-stranded conductor0.34 … 2.5 mm² / 22 … 14 AWG
Fine-stranded conductor; with insulated ferrule0.34 … 1.5 mm² / 22 … 16 AWG
Strip length9 … 10 mm / 0.35 … 0.39 inches
Width6 mm / 0.236 inches
Height94 mm / 3.701 inches
Depth from upper-edge of DIN-rail81 mm / 3.189 inches
Mounting typeDIN-35 rail
Mounting positionHorizontal (standing/lying); vertical
Colorgray
Insulation material (main housing)Polyamide (PA66)
Material groupI
Flammability class per UL94V0
Fire load0.437 MJ
Weight31.6 g
Ambient temperature (operation at UN)-40 … +60 °C
Ambient temperature (storage)-40 … +70 °C
Processing temperature-25 … +50 °C
Temperature range of connection cable≥ (Tambient + 30 K)
Relative humidity5 … 85 % (no condensation permissible)
Operating altitude (max.)2000 m
Standards/specificationsATEX | IECEx | DNV | EN 61010-2-201 | EN 61810-1 | EN 61373 | UL 508 | GL | ATEX | IEC Ex
WAGO Basic Relay857-152
Product Group6 (INTERFACE ELECTRONIC)
PU (SPU)25 (1) pcs
Packaging typebox
Country of originCN
Customs tariff number85364900990
UNSPSC39,122,334
eCl@ss 10.027-37-16-01
eCl@ss 9.027-37-16-01
ETIM 9.0EC001437
ETIM 10.0EC001437
ECCNNO US CLASSIFICATION
CAS-No.7439-92-1 | 79-94-7
REACH Candidate Strip Substance2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol | Lead
RoHS Compliance StatusCompliant,No Exemption
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
Rated current6 A
MPN857-304

Properties

MOQ1

Cross-References

Attached Documents