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3RT23171BB40

The 3RT2317-1BB40 is a 3-pole motor starter from Siemens' SIMATIC 3RT2 series, integrating a contactor and thermal overload relay. It has a rated thermal current of 17 A and operates at 220-690 V AC (50/60 Hz), suitable for motors up to 7.5 kW at 400 V AC. The 24 V DC coil consumes 11 W (holding) and 20 VA (inrush).

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3RT2317-1BB40 Brief English Parameters
General Information
Product Family: SIMATIC 3RT2 Motor Starter
Type: 3-pole starter with contactor, overload relay, and coil
Order Code: 3RT2317-1BB40
Key Technical Specs
Electrical Parameters:
Rated operational voltage (Ue): 220-690 V AC (50/60 Hz)
Rated thermal current (Ith): 17 A
Motor power rating: Up to 7.5 kW at 400 V AC
Coil Specifications:
Coil voltage: 24 V DC
Coil consumption: 11 W (holding), 20 VA (inrush)
Contact System:
3 normally open main contacts (silver alloy)
1 NO + 1 NC auxiliary contact (for status indication)
Overload Protection:
Thermal overload relay with adjustable current: 9-13.5 A
Trip class: 10A (standard for motors)
Mechanical/Lifetime
Mechanical life: Up to 10 million operations
Electrical life: Up to 1 million operations
Operating Conditions
Temperature: -25°C to +60°C (derating above 40°C)
Protection class: IP20 (front), IP00 (rear)
Mounting: DIN rail (35 mm) or screw mounting