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Wago 857-305
Relay module; Nominal input voltage: 48 VDC; 1 changeover contact; Limiting continuous current: 6 A; Yellow status indicator; Module width: 6 mm 857-305
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Description
Relay module; Nominal input voltage: 48 VDC; 1 changeover contact; Limiting continuous current: 6 A; Yellow status indicator; Module width: 6 mm 857-305
Specification
Notes
| 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. |
Technical data - Control circuit
| Nominal input voltage U<sub>N</sub> | 48 VDC |
|---|---|
| Input voltage range | -15 … +20 % |
| Nominal input current at U<sub>N</sub> | 7 mA |
Technical data - Load circuit
| Number of changeover/switchover contacts | 1 |
|---|---|
| Contact material (relay) | AgSnO2 |
| Limiting continuous current | 6 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 capacity | AC-15: 3 A / 250 VAC; DC-13: 2 A / 24 VDC |
| Recommended minimum load | 10 V / 10 mA; 24 V / 1 mA |
| Pull-in time (typ.) | 8 ms |
| Drop-out time (typ.) | 8 ms |
| Bounce time (typ.) | 3.5 ms |
| Electrical life (NO; resistive load; 23 °C) | 50 x 10³ switching operations |
| Mechanical life | 5 x 10⁶ switching operations |
| Switching frequency with/without load (max.) | 6 min-1 / 180 min-1 |
Technical data - Signaling
| Status indicator | Yellow LED |
|---|
Safety and protection
| Rated voltage | 300 V |
|---|---|
| Rated impulse withstand voltage | 4 kV |
| 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 |
| 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. |
| Protection type | IP20 |
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 |
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 |
Mechanical data
| Mounting type | DIN-35 rail |
|---|---|
| Mounting position | Horizontal (standing/lying); vertical |
Material data
| 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 | 0.484 MJ |
| Weight | 30.6 g |
Environmental requirements
| 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.) | 2000 m |
Standards and specifications
| Standards/specifications | EN 61010-2-201, EN 61810-1, EN 61373, UL 508 |
|---|
Basic relay
| WAGO Basic Relay | 857-154 |
|---|
Commercial data
| Product Group | 6 (INTERFACE ELECTRONIC) |
|---|---|
| PU (SPU) | 25 (1) pcs |
| Packaging type | box |
| Country of origin | DE |
| GTIN | 4045454482442 |
| Customs tariff number | 85364900990 |
Product Classification
| UNSPSC | 39122334 |
|---|---|
| eCl@ss 10.0 | 27-37-16-01 |
| eCl@ss 9.0 | 27-37-16-01 |
| ETIM 9.0 | EC001437 |
| ETIM 10.0 | EC001437 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| CAS-No. | 7439-92-1, 79-94-7 |
|---|---|
| REACH Candidate List Substance | 2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol, Lead |
| 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 |
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