Product Model

857-642

In Stock
Last updated: 2025/4/19
wago 857-642

Selling Points

  • 1Adjustable time ranges from 0.01 seconds to 100 hours.
  • 2On- and off-delay switching with control input.
  • 3Yellow status indicator for easy monitoring.
  • 4Compatible with DIN rail mounting and push-in CAGE CLAMP connections.
  • 5Meets IP20 protection class and has a limiting continuous current of 6 A.
Product Details
857-642
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Note
The 6 (GND) and 8 (GND) connections are internally commoned. The current carrying capacity is: 4 A (max.)
Rated voltage
250V
Rated surge voltage
4kV
Overvoltage category
II
Pollution degree
2
Dielectric strength (control/load circuit) (AC, 1?min)
3.51 kVrms
Dielectric strength (open contact) (AC, 1?min)
1?kVrms
Protection type
IP20
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?inches
Width
6?mm?/ 0.236?inches
Height
94?mm?/ 3.701?inches
Depth from upper-edge of DIN-rail
97.8?mm?/ 3.85?inches
Mounting type
DIN-35 rail
Note (material data)
Information on material specifications can be found here
Insulation material (main housing)
Polyamide (PA66)
Flammability class per UL94
V0
Fire load
0.013MJ
Weight
27g
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 humidity
5 … 85 % (no condensation permissible)
Operating altitude (max.)
2000m
Standards/specifications
EN 61373
Product Group
6 (INTERFACE ELECTRONIC)
eCl@ss 10.0
27-37-16-05
eCl@ss 9.0
27-37-16-05
ETIM 9.0
EC001439
ETIM 8.0
EC001439
ECCN
NO US CLASSIFICATION
PU (SPU)
1?pcs
Packaging type
bag
Country of origin
DE
GTIN
4050821565710
Customs tariff number
8536490080
CAS-No.
1303-86-2
REACH Candidate List Substance
2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol
RoHS Compliance Status
Compliant,With Exemption
RoHS Exemption
6(c)
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
Nominal input voltage U<sub>N</sub>
DC 24 V (SELV)
Input voltage range
±30?%
Nominal input current at U<sub>N</sub>
18?mA
Time range
Adjustable: 0.01 … 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 time
50ms
Minimum pulse length (control input)
10ms
Functions
On- and off-delay (with control input)
Number of changeover 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.)
15ms
Drop-out time (typ.)
25ms
Bounce time (typ.)
3.5ms
Electrical life (NO; resistive load; 23?°C)
50?x 103 switching operations
Mechanical life
5?x 10? switching operations
Digital output (DO)
UN- 1 V?;?100?mA
Short circuit protection (load circuit)
6.3 A; Slow (T); testing based on EN 61812-1 with a short-circuit current of 100 ADC
Status indicator
Yellow LED

Specifications may be subject to change without notice