Wago
857-728
1 / 3
- Part Number
- 857-728
- Tariff Code
- 85365005000
- UPC
- 4045454835484
- ETIM
- Group Code : EG000019
- Group Description : Relays
- Class Description : Optocoupler
- Class Code : EC001504
- Version : 7
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Basic Relay
- WAGO Basic Relay
- 857-162
Safety And Protection
- Rated voltage
- 300 V
- Overvoltage category
- III
- Pollution degree
- 2
- Dielectric strength (control/load circuit) (AC, 1 min)
- 3.51 kVrms
- Insulation type (control/load circuit)
- Basic insulation
- Insulation type (between adjacent devices of the same type)
- Reinforced insulation (safe isolation)
- Insulation type (to adjacent devices of different types)
- Basic insulation
- Protection type
- IP20
Load Circuit
- Circuit type
- 2-wire connection
- Limiting continuous current
- 3 A
- Inrush current (resistive) max.
- (AC) 15 A / 0.01 s
- Nominal output voltage
- DC 24 V
- Output voltage range
- DC 0 … 30 V
- Voltage drop
- ≤ 0.12 VDC
- Leakage current at rated voltage
- ≤ 1 µA
- Switching current (min.)
- 50 µA
- Turn-on time
- ≤ 4.5 ms
- Turn-off time
- ≤ 10 ms
- Switching frequency
- ≤ 20 Hz
Environmental Requirements
- Ambient temperature (operation at UN)
- -20 … +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.)
- 2000 m
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
- Fine-stranded conductor; with insulated ferrule
- 0.34 … 1.5 mm² / 22 … 16 AWG
- Strip length
- 9 … 10 mm / 0.35 … 0.39 inches
Control Circuit
- Nominal input voltage UN
- AC/DC 230 V
- Input voltage range (low level)
- AC/DC 0 … 60 V
- Input voltage range (high level)
- AC/DC 200 … 253 V
- Nominal input current at UN
- 4 mA
Physical Data
- Width
- 6 mm / 0.236 inches
- Height
- 94 mm / 3.701 inches
- Depth from upper-edge of DIN-rail
- 81 mm / 3.189 inches
Material Data
- Color
- Gray
- Fire load
- 0.648 MJ
- Weight
- 31.000 g
Standards And Specifications
- Standards/specifications
- EN 61000-6-2 || EN 61000-6-3 || EN 61373 || EN 61010-2-201 || UL 508
Mechanical Data
- Mounting type
- DIN-35 rail
- Mounting position
- Horizontal (standing/lying); vertical
Specifications
- Product Group Code
- 0006
Commercial Data
- Packaging type
- Box
- Country of origin
- DE
- GTIN
- 4045454835484
- Customs tariff number
- 85365005000
Notes
- Note
- Optocouplers and solid state relays are designed for use in signal processing networks, which are not supplied by the low-voltage power supply networks.
Signaling
- Status indicator
- Yellow LED
