Siemens 3RB2383-4AC1
MPN3RB2383-4AC1
NRND
Evaluation unit for full motor protection (bistable) Size S00...S12, class 5...30 Stand-alone installation Main circuit: -- Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product brand name | SIRIUS |
| Product designation | solid-state overload relay |
| Frame size (overload relay) | S00 ... S12 |
| Combinable contactor sizes | S00 ... S12 |
| Reference code (IEC 81346-2) | F |
Protection & Trip
| Parameter | Value |
|---|---|
| Overload current setting range | 0.3 ... 630 A |
| Trip class | CLASS 5, 10, 20 and 30 adjustable |
Electrical (main circuit)
| Parameter | Value |
|---|---|
| Rated operational current | 630 A |
| Poles (main circuit) | 3 |
| Rated insulation voltage (AC, pollution degree 3) | 300 V |
| Rated surge withstand voltage | 4 kV |
| Power loss at rated current (hot) | 0.5 W |
| Per pole | 0.17 W |
Auxiliary contacts
| Parameter | Value |
|---|---|
| Auxiliary contacts: NO | 2 |
| Auxiliary contacts: NC | 2 |
| Auxiliary switch short-circuit protection (required fuse) | fuse gL/gG: 6 A |
| Switching current at 24 V | 2 A |
| Switching current at 60 V | 0.55 A |
| Switching current at 110 V | 0.3 A |
| Switching current at 120 V | 6 A |
| Switching current at 125 V | 0.3 A |
| Switching current at 220 V | 0.2 A |
| Switching current at 230 V | 3 A |
Connection & Mounting
| Parameter | Value |
|---|---|
| Mounting / fastening method | stand-alone installation |
| Mounting position | any |
| Auxiliary/control circuit connection type | spring-loaded terminals |
| Removable aux./control terminal | Yes |
| Conductor cross-section: finely stranded with ferrule | 2x (0.25 ... 1.5 mm²) |
| Conductor range (AWG), auxiliary contacts | 2x (24 ... 16) |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature | -25 ... +60 °C |
| Storage temperature | -40 ... +80 °C |
| Transport temperature | -40 ... +80 °C |
| Relative humidity, operating | 100 % |
| Max. installation altitude | 2 000 m |
Mechanical
| Parameter | Value |
|---|---|
| Width | 45 mm |
| Height | 111 mm |
| Depth | 95 mm |
MPN
3RB2383-4AC1