The Siemens 3TF35000BB4 is a 3-pole industrial power contactor from the 3TF SICOP series, designed for switching and controlling three-phase motors and power circuits in industrial applications.
This model features a 24V DC control coil (BB4 variant) and is rated for 40A AC-3 duty, making it suitable for controlling motors up to 18.5 kW at 415V AC. It is commonly used in MCC panels, motor starters, pump control systems, compressors, HVAC equipment, and industrial automation systems.
• Siemens 3TF SICOP series
• Model: 3TF35000BB4
• 3-pole power contactor
• DC operated coil (24V DC)
• Rated current: 40A AC-3 duty
• Suitable for motor loads up to 18.5 kW at 415V AC
• Size S2 contactor frame
• High electrical and mechanical endurance
• Reliable switching performance
• Screw terminal connections
• Compatible with Siemens thermal overload relays
• Suitable for industrial control and automation systems
• Long service life with low maintenance requirements
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Series | 3TF (SICOP) |
| Part Number | 3TF35000BB4 |
| Product Type | Power Contactor |
| Poles | 3 Pole |
| Coil Voltage | 24V DC |
| Rated Current (AC-3) | 40A |
| Motor Rating | 18.5 kW @ 415V AC |
| Frame Size | S2 |
| Terminal Type | Screw Terminal |
| Mounting Type | Panel Mounting |
| Utilization Category | AC-3 |
| Application | Motor Control & Power Switching |
| Brand | Siemens |
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