Product Model
857-305
Selling Points
- 1High Current Rating: 6A continuous current rating for robust performance.
- 2Compact Design: 3.70 in H x 0.23 in W x 3.18 in D dimensions for easy installation.
- 3Durable Contacts: Silver-Tin (AgSnO) contacts with a mechanical life of 5 x 10^6 switching operations.
- 4Versatile Mounting: Designed for DIN-35 rail mounting with Push-in CAGE CLAMP connections.
- 5Reliable Indication: Yellow status LED indicator for easy monitoring and control.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Safety information | Adjacent 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. | Note | To protect the relay coils and contacts, inductive loads must be dampened with an effective protection circuit. |
Rated voltage | 300V | Rated surge voltage | 4kV |
Type of circuits | 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 same type) | Double insulation (safe isolation) | Insulation type (to adjacent devices of different types) | Basic insulation |
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 |
Fine-stranded conductor; with insulated ferrule | 0.34 … 1.5?mm2?/ 22 … 16?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 | 81?mm?/ 3.189?inches | Mounting type | DIN-35 rail |
Mounting position | Horizontal (standing/lying); vertical | Note (material data) | Information on material specifications can be found here |
Color | gray | Insulation material (main housing) | Polyamide (PA66) |
Material group | I | Flammability class per UL94 | V0 |
Fire load | 0.544MJ | Weight | 30.6g |
Ambient temperature (operation at U<sub>N</sub>) | -40 … +60 °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 61010-2-201; EN 61810-1; EN 61373; UL 508; UL121201; ATEX; IEC Ex | WAGO Basic Relay | 857-154 |
Product Group | 6 (INTERFACE ELECTRONIC) | eCl@ss 10.0 | 27-37-16-01 |
eCl@ss 9.0 | 27-37-16-01 | ETIM 9.0 | EC001437 |
ETIM 8.0 | EC001437 | ECCN | NO US CLASSIFICATION |
PU (SPU) | 25?(1)?pcs | Packaging type | box |
Country of origin | DE | GTIN | 4045454482442 |
Customs tariff number | 8536490050 | CAS-No. | 7439-92-1 |
REACH Candidate List Substance | 2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol | RoHS Compliance Status | Compliant,With Exemption |
RoHS Exemption | 7(a) | SCIP notification number (Bulgaria) | 2f89d346-931f-40ab-9a15-53aec0b6f1ac |
SCIP notification number (Czech Republic) | 7946bfc9-d019-4b8e-bfde-95e4bd1ae64b | Nominal input voltage U<sub>N</sub> | DC?48?V |
Input voltage range | -15 … +20?% | Nominal input current at U<sub>N</sub> | 7?mA |
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.) | 8ms | Drop-out time (typ.) | 8ms |
Bounce time (typ.) | 3.5ms | Electrical life (NO; resistive load; 23?°C) | 50?x 103 switching operations |
Mechanical life | 5?x 10? switching operations | Switching frequency with/without load (max.) | 6?min-1/ 180?min-1 |
Status indicator | Yellow LED |
Specifications may be subject to change without notice