Siemens 7SR1004-3LA20-2DB0
MPN7SR1004-3LA20-2DB0
Active
ARGUS overcurrent relay Conformal coating on PCBA Directional, size 4 molded case, 4 CT, 3 VT, 10 LEDs, 9 binary inputs/ 6 binary outp. Measuring input: 1/5 A, 50/60 Hz, 63.5/110 V auxiliary voltage: 60 to 240 V AC/DC, binary input threshold 44 V AC/DC Standard version - no cover Communication: front port: USB and rear: RS485 supporting IEC 60870-5-103 or MODBUS RTU or DNP 3.0. Front fascia: w. breaker control pushbuttons Protection function: Standard version plus autoreclose (79)
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MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
| Parameter | Value |
|---|---|
| Type of time synchronization | BI/Communication Channel |
| Type of voltage (Of the supply voltage) | AC/DC |
| Supply voltage (at AC) | 60 ... 240 V |
| Supply voltage (at DC) | 60 ... 240 V |
| Inrush current detection | Yes |
| Number of current inputs (Maximum) | 4 |
| Sensitive ground current protection (ANSI 50Ns) | No |
| Three-Pole tripping | Yes |
| Frame size of enclosure | E4 (4U High ) |
| Protocol / is supported / DNP 3, serial | Yes |
| Protocol / is supported / IEC 60870-5-103 | Yes |
| Protocol (is supported, modbus RTU slave) | Yes |
All specifications
| Parameter | Value |
|---|---|
| Product component (Operating interface (On the front)) | Yes |
| Product feature (Plug-In terminal blocks) | Yes |
| Ambient temperature (During operation) | -10 ... +60 °C |
| Depth | 186 mm |
| Width | 105 mm |
| Height | 185 mm |
| Control | Yes |
| Monitoring | Yes |
| Number of LEDs | 10 |
| Switching statistics | Yes |
| Design of the display | 20 Character x 4 line Backlit LCD |
| Design of the product | Directional Overcurrent relay |
| Number of function keys | 7 |
| External trip initiation | Yes |
| Number of parameter sets | 4 |
| Parameter set switchover | Yes |
| Circuit breaker monitoring | Yes |
| Closing lock-out (ANSI 86) | Yes |
| Sequence-Of-Events recorder | Yes |
| Automatic reclosing (ANSI 79) | Yes |
| Product feature (Logic editor) | Yes |
| Unbalance protection (ANSI 46) | Yes |
| Undercurrent protection (ANSI 37) | Yes |
| Number of digital inputs (Maximum) | 9 |
| Product feature (Conformal coating) | Yes |
| Trip-circuit supervision (ANSI 74TC) | Yes |
| Thermal overload protection (ANSI 49) | Yes |
| Product component (With protective cover) | No |
| Dynamic response value changeover (ANSI 51C) | Yes |
| Fault recording for analog and digital signals | Yes |
| Circuit breaker failure protection (ANSI 50BF) | Yes |
| Definite overcurrent-time protection (ANSI 50/50N) | Yes |
| Dependent overcurrent-time protection (ANSI 51/51N) | Yes |
| Overcurrent-time protection negative sequence system (ANSI 46) | Yes |
MPN
7SR1004-3LA20-2DB0