Item no. 857-304

Relay module; Nominal input voltage: 24 VDC; 1 changeover contact; Limiting continuous current: 6 A; Yellow status indicator; Module width: 6 mm; 2,50 mm²; gray

Item no. 857-304
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Note:

To protect the relay coils and contacts, inductive loads must be dampened with an effective protection circuit.

Technical data
Control circuit
Nominal input voltage UN DC 24 V
Input voltage range -15 … +20 %
Nominal input current at UN 10 mA
Load circuit
Number of changeover/switchover contacts 1
Contact material (relay) AgSnO2
Limiting continuous current 6 A
Inrush current (resistive) (max.) (AC) 20 A / 0.02 s
Switching voltage (max.) AC 250 V
Switching power (resistive) (max.) AC 1500 VA; DC (see load limit curve)
Switching capacity AC-15: 3 A / AC 250 V; DC-13: 2 A / DC 24 V
Recommended minimum load 10 V / 10 mA; 24 V / 1 mA
Pull-in time (typ.) 8 ms
Drop-out time (typ.) 8 ms
Bounce time (typ.) 3.5 ms
Electrical life (NO; resistive load; 23 °C) 50 x 103 switching operations
Mechanical life 5 x 106 switching operations
Switching frequency with/without load (max.) 6 min-1 / 180 min-1
Signaling
Status indicator Yellow LED
Safety and protection
Rated voltage 300 V
Rated surge voltage 4 kV
Circuit type Mains circuits
Overvoltage category III
Pollution degree 2
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 the same type) Reinforced insulation (safe isolation)
Protection type IP20
Connection data
Connection technology Push-in CAGE CLAMP®
Solid conductor 0.34 … 2.5 mm² / 22 … 14 AWG
Fine-stranded conductor 0.34 … 2.5 mm² / 22 … 14 AWG
Strip length 9 … 10 mm / 0.35 … 0.39 inch
Physical data
Width 6 mm / 0.236 inch
Height from upper-edge of DIN-rail 81 mm / 3.189 inch
Depth 94 mm / 3.701 inch
Mechanical data
Mounting type DIN-35 rail
Material data
Color gray
Weight 31.6 g
Environmental requirements
Surrounding air temperature (operation at UN) -40 … 60 °C
Surrounding air temperature (storage) -40 … 70 °C
Processing temperature -25 … +50 °C
Relative humidity 5 … 95 % (no condensation permissible)
Operating altitude (max.) 2000 m
Standards and specifications
Standards/Specifications EN 61010-2-201; EN 61810-1; EN 61373; UL 508; GL; ATEX; IEC Ex
Basic relay
WAGO Basic Relay 857-152
Commercial data
Product Group 6 (Interface Electronics)
Packaging type BOX
Country of origin CN
GTIN 4050821797807
Customs tariff number 85364900990
Approval
Additional Approval Text
Certificate name
Language
Approval: ATEX
DEKRA EXAM GmbH
Additional Approval Text EN 60079-0
Certificate name: BVS_14_ATEX_E_091_X
Approval: CCCEx
CQST/CNEx
Additional Approval Text CNCA-C23-01
Certificate name: 2020312304000757
Approval: IECEx
DEKRA EXAM GmbH
Additional Approval Text IEC 60079-0
Certificate name: IECEx_BVS_14.0079_X
Approval: UL
Underwriters Laboratories Inc. (HAZARDOUS LOCATIONS)
Additional Approval Text UL 121201
Certificate name: E198726
Approval
Additional Approval Text
Certificate name
Language
Approval: BV
Bureau Veritas S.A.
Additional Approval Text Rules for class. of Steel Ships
Certificate name: 40179_B0
Approval: DNV GL
Det Norske Veritas, Germanischer Lloyd
Additional Approval Text -
Certificate name: TAA00001D1
Approval: NK
Nippon Kaiji Kyokai
Additional Approval Text -
Certificate name: TA17255M
Approval: PRS
Polski Rejestr Statków
Additional Approval Text -
Certificate name: TE/2186/880590/18
Approval
Additional Approval Text
Certificate name
Language
Approval: UL
UL International Netherlands B.V. (ORDINARY LOCATIONS)
Additional Approval Text UL 508
Certificate name: E175199 Sec.4