Overview of Siemens 3RT20151FB443MA0
Buy genuine Siemens 3RT20151FB443MA0 for your automation system. The Siemens SIRIUS 3RT20151FB443MA0 is a premium, industrial-grade three-pole power contactor engineered for demanding applications in automation and control systems. Designed to swiftly and reliably switch heavy loads, this contactor features a 24V DC coil, 7A rated current (AC-3/AC-3e), and supports up to 3 kW at 400 V. Perfect for OEMs and industrial users, it provides robust, maintenance-free operation under harsh conditions, making it a top-rated choice for machine builders and panel engineers. Buy Siemens 3RT20151FB443MA0 online and experience true Siemens quality with global shipping.
Key Features of Siemens 3RT20151FB443MA0
- 24V DC coil for simplified integration with PLCs and control systems.
- Three-pole, three-phase configuration suitable for motor starters and switching circuits.
- Rated load: 7A (AC-3/AC-3e), 3 kW at 400 V—ideal for industrial automation.
- Integrated suppressor diode for smooth coil de-energization and reduced voltage spikes.
- 2 normally open (NO) + 2 normally closed (NC) auxiliary contacts for enhanced control flexibility.
- Designed for compact, modular installation—saves space in control cabinets.
- Supports screw terminals for easy wiring and reliable connections.
- Mounting options: 35 mm DIN rail or vertical panel mounting.
- Complies with global safety and performance standards for industrial use.
Technical Specs of Siemens 3RT20151FB443MA0
Review Siemens 3RT20151FB443MA0 specifications for detailed parameters before installation.
| Attribute |
Value |
| Type |
SIRIUS 3RT2, Size S00 |
| Coil Voltage |
24V DC |
| Rated Current |
7A (AC-3/AC-3e) |
| Rated Power |
3 kW @ 400V |
| Poles |
3 |
| Auxiliary Contacts |
2NO + 2NC |
| Mounting |
35 mm DIN Rail or Vertical |
| Terminal Type |
Screw |
| Dimensions (LxWxH) |
99 x 71 x 80 mm (approx.) |
Applications / Use Case
This Siemens 3RT20151FB443MA0 is commonly used in production line systems worldwide. It is especially effective in motor starters, switching circuits, and automated machinery where reliable switching under load is critical. Its modular design and auxiliary contact options make it a versatile solution for packaging, conveyor systems, HVAC control, and process automation. Whether you are upgrading an existing system or building a new control panel, the Siemens 3RT20151FB443MA0 delivers dependable performance in factory environments and beyond.
Price & Availability
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