Siemens 3RT2018-2BB44-3MA0 SIRIUS Power Contactor, 16A, 7.5kW, 24V DC, 2 NO + 2 NC Aux Contacts Original Brand New
Siemens 3RT2018-2BB44-3MA0 power contactor, AC-3e/AC-3, 16 A, 7.5 kW / 400 V, 3-pole, 24 V DC, auxiliary contacts: 2 NO + 2 NC, spring-loaded terminal, size: S00, captive auxiliary switch
- ConditionOriginal Brand New
- Warranty12 months
Backorder available · Factory lead time 2–3 weeks.
- Genuine Products
- Up to 1-Year Warranty
- Global Shipping
- Secure Payment
- PI / Bank Transfer Available
- Bulk Quote Support
Description
Overview
The Siemens 3RT2018-2BB44-3MA0 is a high-performance SIRIUS series power contactor designed for reliable and efficient switching of electrical loads. This 3-pole contactor is rated for AC-3e/AC-3 operation, handling currents up to 16A and power loads of 7.5 kW at 400V. It features a 24V DC coil for precise control and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for flexible system integration. The spring-loaded terminals ensure a secure, vibration-resistant connection, while its compact size S00 makes it ideal for space-constrained applications. This contactor also boasts a captive auxiliary switch, which prevents the loss of components during installation and maintenance.
Key Function
- Motor Control: Effectively starts and stops electric motors.
- Load Switching: Switches power to resistive, inductive, and capacitive loads.
- Safety Interlocking: Provides a means of interlocking circuits with its auxiliary contacts.
- Circuit Protection: Can be combined with thermal overload relays to protect motors from overcurrent.
Benefit
- Reliable Performance: Engineered by Siemens, a leader in industrial automation, for long-lasting and dependable operation.
- Easy Installation: The spring-loaded terminals offer fast, tool-free wiring, reducing installation time and costs.
- Space-Saving Design: The compact S00 size allows for high-density mounting in control cabinets.
- Versatile Application: Suitable for a wide range of industrial applications, from manufacturing to building automation.
- Enhanced Safety: Captive auxiliary switch design ensures components remain secure.
For more our products visit turll
Specifications
| SKU / Model | 3RT2018-2BB44-3MA0 |
|---|---|
| Weight | 0.38 kg |
| Dimensions | 73.5 × 50 × 124.5 mm |
Need bulk pricing or a hard-to-find part?
Request a quote for project quantities, discontinued or obsolete models, and pro-forma invoice / bank transfer orders. Our sourcing team responds fast.



