Page 1
Data sheet | Item number:857-303
Relay module; Nominal input voltage: 12 VDC; 1 changeover contact;
Limiting continuous current: 6 A; Yellow status indicator; Module width: 6 mm
DC load limit curve
Color:
Item description
857-303
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Data sheet | Item number:857-303
Note:
Inductive loads have to be attenuated by an appropriate protective circuit in order to protect relay coils and contacts.
Data
Technical Data
Control circuit
Nominal input voltage U
N
DC12V
Input voltage range -15 … +20%
Nominal input current at U
N
17mA
Load circuit:
Number of changeover/switchover contacts 1
Contact material (relay) AgSnO
2
Limiting continuous current 6A
Max. make current (resistive) (AC) 20A/ 0.02s
Max. switching voltage AC250V
Max. switching power (resistive) AC1,500VA;DC see load limit curve
Switching capacity AC-15:3A/ AC250V;DC-13:2A/ DC24V
Recommended minimum load 10V/ 10mA;24V/ 1mA
Pull-in time (typ.) 15 ms
Drop-out time (typ.) 25ms
Bounce time (typ) 3.5 ms
Electrical life (N.O.; resistive load; 23 °C)
50x 10 switching operations
3
Mechanical life (N.O.; resistive load; 23 °C)
5x 10 switching operations
6
Max. switching load with load/without load
6min / 180min
-1 -1
Signaling
Status indication LED yellow
Safety and protection:
Rated voltage 250 V
Rated impulse voltage 4 kV
Pollution degree 2
Dielectric strength, control/load circuit (AC, 1 min) 4kVrms
Dielectric strength open contact (AC, 1 min) 1kVrms
857-303
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Data sheet | Item number:857-303
Protection class IP20
Connection data
Connection technology
Push-in CAGE CLAMP
®
Solid conductor 0.34 … 2.5mm²/ 22 … 14AWG
Fine-stranded conductor 0.34 … 2.5mm²/ 22 … 14AWG
Strip length 9 … 10mm/ 0.35 … 0.39inch
Geometrical Data
Width 6mm/ 0.236inch
Height from upper-edge of DIN-35 rail 81mm/ 3.189inch
Depth 94mm/ 3.701inch
Mechanical data
Type of mounting DIN-35 rail
Material Data
Color gray
Fire load 0.631 MJ
Weight 30.6 g
Environmental Requirements
Pollution degree 2
Surrounding air (operating) temperature at U
N
-40 … 60°C
Surrounding air (storage) temperature -40 … 70°C
Processing temperature -25 … +50°C
Standards and specifications
Standards/specifications EN 61010-2-201; EN 61810-1; EN 61373; UL 508; ATEX, IEC Ex
Elementary relay
WAGO elementary relay 857-150
Commercial data
Product Group 6 (Interface Electronics)
Country of origin CN
GTIN 4055143135207
Customs Tariff No. 85364900990
857-303
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Data sheet | Item number:857-303
Approvals / Certificates
Ex-Approvals
Logo Approval Additional Approval Text Certificate name
ATEX
DEKRA EXAM GmbH
EN 60079-0 BVS_14_ATEX_E_091_X
IECEx
DEKRA EXAM GmbH
IEC 60079-0 IECEx_BVS_14.0079_X
UL
UL International Germany GmbH (HAZARDOUS
LOCATIONS)
ANSI/ISA 12.12.01 E198726 Sec.4
UL-Approvals
Logo Approval Additional Approval Text
Certificate
name
UL
UL International Netherlands B.V. (ORDINARY
LOCATIONS)
UL 508 E175199
Sec.4
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Data sheet | Item number:857-303
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Data sheet | Item number:857-303
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Data sheet | Item number:857-303
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Data sheet | Item number:857-303
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857-303
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Page 10
Data sheet | Item number:857-303
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Push-in type jumper bar; 3-way; Nominal current 18 A; insulated
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Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
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Push-in type jumper bar; 4-way; Nominal current 18 A; insulated
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Push-in type jumper bar; 5-way; Nominal current 18 A; insulated
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Push-in type jumper bar; 6-way; Nominal current 18 A; insulated
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857-303
02.05.2019Page /10 13
Page 11
Data sheet | Item number:857-303
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Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
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Item no.: 859-410/000-006
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
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857-303
02.05.2019Page /11 13
Page 12
Data sheet | Item number:857-303
Item no.: 859-410/000-029
Push-in type jumper bar; 10-way; Nominal current 18 A; insulated
859-410
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857-150
ferrule
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Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90
216-241
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Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90
216-242
Item no.: 216-243
Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated; electrolytic copper; gastight crimped;
acc. to DIN 46228, Part 4/09.90
216-243
Item no.: 216-244
Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; electrolytic copper; gastight
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Downloads
Documentation
Bid Text
857-303
Relaisbaustein
Jan 15, 2016 doc
27.1 kB
Download
Instruction Leaflet
Sockets, relay module, optocoupler module
Nominal input voltage 24VDC, switching current 0.1A
pdf
2.4 MB
Download
Additional Information
Disposal; Electrical and electronic equipment, Packaging V 1.0.0 pdf
265.8 kB
Download
CAD/CAE - Smart Data
CAD data
3D Download 857-303 URL Download
857-303
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Data sheet | Item number:857-303
Step file 857-03xx Series
1.0
Jun 30, 2011
STP
299.3 kB
Download
857-303
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