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Wago 789-621
Short description:WAGO’s intelligent current sensor monitors solar plants or inverters for DC measurements within a large current measurement range. The sensor is mounted on DIN-35 rail.
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Description
Short description:WAGO’s intelligent current sensor monitors solar plants or inverters for DC measurements within a large current measurement range. The sensor is mounted on DIN-35 rail.
Specification
Technical data - Input
| Input signal type | Current |
|---|---|
| Resolution [bit] | 15 Bit |
| Measured variable | Current |
| Input signal (current) | 0 … 140 ADC |
Technical data - Output – MODBUS
| Number of devices (max.) | 32 |
|---|---|
| Connector | RJ-45 |
| Bus length (max.) | 1200 m |
| Terminating resistor | 150 Ω (can be activated via DIP switch 1) |
Technical data - Communication
| Communications | Modbus RTU |
|---|---|
| Interface | RS-485 |
| Transmission channels | Half duplex; 8-bit data; 1 stop bit |
| Number of devices (max.) | 32 |
| Parity | Even |
| Terminating resistor | 150 Ω (can be activated via DIP switch 1) |
| Bus length (max.) | ≤ 1200 m |
| Transmission rate | 19.2 kBd |
Technical data - Measurement error
| Transmission error (typ.) | ≤ 0.5 % of upper-range value (0 … 80 A; at room temperature); ≤ 1 % of upper-range value (80 … 140 A; at room temperature) |
|---|---|
| Temperature coefficient | ≤ 0.05 %/K (-20 … 60 °C); ≤ 0.1 %/K (60 … 70 °C) |
Technical data - Power supply
| Nominal supply voltage U<sub>S</sub> | 24 VDC |
|---|---|
| Current consumption at nominal supply voltage | ≤ 8 mA |
Safety and protection
| Protection type | IP20 |
|---|
Connection data
| Feedthrough for measurement conductor | Ø 15 mm |
|---|---|
| Connector | RJ-45 |
Physical data
| Width | 35 mm / 1.378 inches |
|---|---|
| Height | 90 mm / 3.543 inches |
| Depth from upper-edge of DIN-rail | 55 mm / 2.165 inches |
Mechanical data
| Mounting type | DIN-35 rail |
|---|---|
| Housing design | DIN-rail-mount enclosure |
Material data
| Fire load | 0.284 MJ |
|---|---|
| Weight | 77.4 g |
Environmental requirements
| Ambient temperature (operation) | -20 … +70 °C |
|---|---|
| Ambient temperature (storage) | -40 … +85 °C |
Standards and specifications
| Conformity marking | CE |
|---|---|
| EMC immunity to interference | EN 61000-6-2 |
| EMC emission of interference | EN 61000-6-4 |
| Standards/specifications | DIN EN 50178 |
Commercial data
| Product Group | 6 (INTERFACE ELECTRONIC) |
|---|---|
| PU (SPU) | 1 pcs |
| Packaging type | Box |
| Country of origin | DE |
| Customs tariff number | 85437090300 |
Product Classification
| UNSPSC | 41113630 |
|---|---|
| eCl@ss 10.0 | 27-21-01-23 |
| eCl@ss 9.0 | 27-21-01-23 |
| ETIM 9.0 | EC002475 |
| ETIM 10.0 | EC002475 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| CAS-No. | 1303-86-2, 1317-36-8, 7439-92-1, 75980-60-8, 79-94-7 |
|---|---|
| REACH Candidate List Substance | 2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol, Diboron trioxide, Lead, Lead monoxide, Phosphine oxide, diphenyl(2,4,6-trimethylbenzoyl)- |
| RoHS Compliance Status | Compliant,With Exemption |
| RoHS Exemption | 6(c), 7(a), 7(c)-I, 7(c)-II |
| SCIP notification number (Austria) | 77c8081c-6149-43ad-b28b-7c56601f9766 |
| SCIP notification number (Belgium) | e3396f50-a4cf-4f77-a7d7-25320edc160f |
| SCIP notification number (Bulgaria) | 741bfe5a-e1c6-4324-89fd-3f11dde19a58 |
| SCIP notification number (Czech Republic) | 4195e3e5-51cf-4daf-a440-fc593724f950 |
| SCIP notification number (Denmark) | da3beef3-994d-4204-affc-190d42a7f58f |
| SCIP notification number (Finland) | 60059775-336d-407c-a2b6-82a275ee0d6e |
| SCIP notification number (France) | 712103bd-a867-4175-a487-ea4bc4b2ad77 |
| SCIP notification number (Germany) | 3d38c7f1-e498-4a7c-aa7a-23e6c2a268f8 |
| SCIP notification number (Hungary) | 0239df3b-76a4-4702-903d-cf2571aabe95 |
| SCIP notification number (Italy) | d1aa1855-d18e-4153-b74c-fb4a70cbdeb4 |
| SCIP notification number (Netherlands) | 87ac9cb5-b0f9-4ac2-b4c8-225d47d5e696 |
| SCIP notification number (Poland) | 2eb05be4-e438-4d5e-8d45-22e2e6b2cac4 |
| SCIP notification number (Romania) | 54d5e54c-bbb6-43f0-bbaa-877e88f58320 |
| SCIP notification number (Sweden) | 6a04aec0-1e65-4e6e-96b8-b63527d4f3f7 |
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