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Wago 857-642

Features:7 functions2 separately adjustable time rangesFunction and time range adjustable via DIP switchPush/slide switch for fine-tuning the times

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Description

Features:7 functions2 separately adjustable time rangesFunction and time range adjustable via DIP switchPush/slide switch for fine-tuning the times

Specification

Notes

Safety InformationAdjacent 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.
NoteTerminals 6 (GND) and 8 (GND) are internally bridged. The maximum current-carrying capacity is 4 A.

Technical data - Control circuit

Nominal input voltage U<sub>N</sub>24 VDC (SELV)
Input voltage range±30 %
Nominal input current at U<sub>N</sub>0.5 mA
Time range0.01 … 0.1 s, 0.1 … 1 s, 1 … 10 s, 10 … 100 s, 1 … 10 min, 10 … 100 min, 1 … 10 h, 10 … 100 h
Reset time50 ms
Minimum pulse length (control input)10 ms
FunctionsOn- and off-delay (with control input), On-delay and single-shot leading edge, On-delay and single-shot leading edge (with control input), Single-shot leading and trailing edge (with control input), Pulse sequence evaluation (with control input), Repeat cycle timer (pulse start), Repeat cycle timer (interval start), control input

Technical data - Load circuit

Number of changeover/switchover contacts1
Contact material (relay)AgSnO2
Limiting continuous current6 A
Inrush current (resistive) max.(AC) 20 A / 0.02 s
Switching Voltage, Max.250 VAC
Switching power (resistive) max.AC 1500 VA; DC (see load limit curve)
Switching capacityAC-15: 3 A / 250 VAC; DC-13: 2 A / 24 VDC
Recommended minimum load10 V / 10 mA; 24 V / 1 mA
Pull-in time (typ.)15 ms
Drop-out time (typ.)25 ms
Bounce time (typ.)3.5 ms
Electrical life (NO; resistive load; 23 °C)50 x 10³ switching operations
Mechanical life5 x 10⁶ switching operations
Digital output (DO)UN - 1 V ; 100 mA
Short circuit protection (load circuit)6.3 A; Slow (T); Test based on EN 61812-1 with short-circuit current 100 ADC

Technical data - Power supply

Nominal supply voltage U<sub>S</sub>24 VDC (SELV)
Supply voltage range±30 %
Current consumption at nominal supply voltage≤ 17.5 mA

Technical data - Signaling

Status indicatorYellow LED

Safety and protection

Rated voltage300 V
Rated impulse withstand voltage6.4 kV
Overvoltage categoryII
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
Safety InformationAdjacent 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.
Protection typeIP20

Connection data

Connection technologyPush-in CAGE CLAMP®
Solid conductor0.34 … 2.5 mm² / 22 … 14 AWG
Fine-stranded conductor0.34 … 2.5 mm² / 22 … 14 AWG
Strip length9 … 10 mm / 0.35 … 0.39 inches

Physical data

Width6 mm / 0.236 inches
Height94 mm / 3.701 inches
Depth from upper-edge of DIN-rail97.8 mm / 3.85 inches

Mechanical data

Mounting typeDIN-35 rail

Material data

Note (material data)Information on material specifications can be found here
Insulation material (main housing)Polyamide (PA66)
Flammability class per UL94V0
Fire load0.013 MJ
Weight27 g

Environmental requirements

Ambient temperature (operation at U<sub>N</sub>)-25 … +70 °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 and specifications

Standards/specificationsEN 61373, EN 50121-3-2, UL 508, EN 61010-2-201

Commercial data

Product Group6 (INTERFACE ELECTRONIC)
PU (SPU)1 pcs
Packaging typebag
Country of originDE
GTIN4050821565710
Customs tariff number85364900990

Product Classification

UNSPSC39122329
eCl@ss 10.027-37-16-05
eCl@ss 9.027-37-16-05
ETIM 9.0EC001439
ETIM 10.0EC001439
ECCNNO US CLASSIFICATION

Environmental Product Compliance

CAS-No.1303-86-2, 1317-36-8, 7439-92-1, 79-94-7
REACH Candidate List Substance2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol, Diboron trioxide, Lead, Lead monoxide
RoHS Compliance StatusCompliant,With Exemption
RoHS Exemption7(a), 7(c)-I
SCIP notification number (Austria)3b577f50-a8f7-4931-8018-0273f6744d4b
SCIP notification number (Belgium)889e1473-2ccc-4f3e-a962-66f08b6b9513
SCIP notification number (Bulgaria)35d84d84-84a7-48a5-8e85-d9c076d92980
SCIP notification number (Czech Republic)136b2103-8f85-44a8-80b6-7238b933cda1
SCIP notification number (Denmark)dd71aaca-a453-4adc-8364-11c848085ff8
SCIP notification number (Finland)af04b623-8bd2-47b4-abce-f53cba388b21
SCIP notification number (France)5c6fb437-6cee-4fad-8189-fa67b2d0d9fd
SCIP notification number (Germany)73a17d4f-a9bb-46af-bbc7-f6877f9a6d4f
SCIP notification number (Hungary)522673c1-1804-4e5a-9498-50e0be68fdf0
SCIP notification number (Italy)5bd150b2-0987-4017-bfb4-1981a4b51fe7
SCIP notification number (Netherlands)0b76abbd-17a8-4f64-8a2e-aa807581c02d
SCIP notification number (Poland)19f39985-f039-470b-ab2a-201a399fb747
SCIP notification number (Romania)5374616e-6c99-43e6-841d-734dff001fba
SCIP notification number (Sweden)dd5fcbe1-4312-41f3-824d-0cdb44fc18be

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