Description
Siemens 3RT2018-1BB41 Power Contactor 24V DC 16A 7.5kW 3-Pole S00 AC-3e
The Siemens 3RT2018-1BB41 is a 3-pole IEC power contactor from the SIRIUS family, rated for 16A and 7.5kW in AC-3e duty with a 24V DC control coil. It fits the S00 frame size and mounts on standard DIN rail, making it a compact solution for motor switching and control circuit applications. The unit also carries one normally-open and one normally-closed auxiliary contact block.
Specifications & What's Included
- Model: 3RT2018-1BB41
- Product Line: Siemens SIRIUS
- Frame Size: S00
- Number of Main Poles: 3
- Current Rating: 16A
- Power Rating: 7.5kW
- Coil Voltage: 24V DC
- Utilization Category: AC-3e / AC-3
- Operating Voltage (AC-3 / AC-3e): 690V
- Insulation Voltage: 690V
- Surge Voltage Resistance: 6kV
- Maximum Permissible Voltage: 400V
- Coil Power Loss: 3W
- Auxiliary Contacts: 1 NO + 1 NC
- Mounting: DIN Rail
- Standards: IEC/EN 60947-4-1
- Certifications: CE, UL, CSA (visible on rating plate)
- Country of Manufacture: Germany (Siemens AG, DE-92220 Amberg)
- Includes: contactor unit with attached wire leads as shown
Applications
The Siemens SIRIUS 3RT contactor series is one of the most widely deployed IEC motor starter contactor families in industrial automation worldwide. S00-frame contactors like the 3RT2018 are used to switch three-phase induction motors up to 7.5kW in machine tools, conveyor systems, pumps, HVAC equipment, and general factory automation panels. The 24V DC coil version is the standard choice for PLC-controlled panels where the output card drives contactor coils directly at 24V DC logic voltage — the dominant control voltage in modern industrial control cabinets. The AC-3e utilization category covers standard squirrel-cage motor switching with infrequent reversing or plugging. These contactors are compatible with Siemens SIRIUS overload relays, soft starters, and motor starter combinations, and are a current, actively manufactured product line in broad use today.
This Siemens 3RT2018-1BB41 SIRIUS power contactor has been inspected and is in good used condition. It was pulled from a large PLC control cabinet that was decommissioned. The unit shows typical light wear consistent with industrial service use. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
Warranty Information
Additional Information
Brand: |
Siemens |
Model: |
3RT2018-1BB41 |
MPN: |
3RT2018-1BB41 |
Type: |
Power Contactor |
SKU: |
52945 |
Product Line: |
SIRIUS |
Frame Size: |
S00 |
Number of Poles: |
3 |
Coil Voltage: |
24V DC |
Current Rating: |
16A |
Power Rating: |
7.5kW |
Utilization Category: |
AC-3e / AC-3 |
Insulation Voltage: |
690V |
Surge Voltage Resistance: |
6kV |
Maximum Permissible Voltage: |
400V |
Power Loss: |
3W |
Auxiliary Contacts: |
1 NO + 1 NC (visible on unit) |
Mounting: |
DIN Rail |
Standards: |
IEC/EN 60947-4-1 |
Certifications: |
CE, UL, CSA |
Country/Region of Manufacture: |
Germany |
Condition: |
Used – Pulled from Working Environment |
Seller Notes: |
Pulled from a decommissioned PLC control cabinet; inspected and in good condition. |
Condition Notes: |
Siemens 3RT2018-1BB41 power contactor inspected and in good used condition. Pulled from a decommissioned PLC control cabinet. Shows light wear from industrial service. Please view photos and contact us with any questions. |
California Prop 65 Warning: |
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov |
