The Siemens 3TF35000BM4 is a heavy-duty 3-pole power contactor from the trusted 3TF SICOP series, designed for switching and controlling three-phase motors and industrial loads in demanding electrical applications.
This contactor features a 220V DC control coil (BM4 variant) and offers a 40A AC-3 operational rating, making it suitable for motors up to 18.5 kW at 415V AC. It is commonly used in MCC panels, PLC automation systems, motor starters, process control panels, compressors, HVAC equipment, and industrial machinery.
• Siemens 3TF SICOP series
• Model: 3TF35000BM4
• 3-pole power contactor
• DC operated coil (220V DC)
• Rated current: 40A AC-3 duty
• Motor rating up to 18.5 kW at 415V AC
• Size S2 contactor frame
• Screw terminal main connections
• High electrical and mechanical endurance
• Reliable motor switching performance
• Suitable for frequent switching operations
• Compatible with Siemens thermal overload relays
• Robust industrial construction
• Long service life with low maintenance requirements
• Suitable for automation and motor control applications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Series | 3TF (SICOP) |
| Part Number | 3TF35000BM4 |
| Product Type | Power Contactor |
| Poles | 3 Pole |
| Coil Voltage | 220V DC |
| Rated Current (AC-3) | 40A |
| Motor Rating | 18.5 kW @ 415V AC |
| Rated Insulation Voltage | 690V |
| Frame Size | S2 |
| Main Contact Configuration | 3NO |
| Mounting Type | Panel / DIN Rail Mounting |
| Terminal Type | Screw Terminal |
| Utilization Category | AC-3 |
| Mechanical Life | Up to 10 Million Operations |
| Operating Temperature | -25°C to +60°C |
| Protection Class | IP20 (Front) |
| Application | Motor Control & Power Switching |
| Brand | Siemens |
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