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SIEMENS 3RT2636-1AP03 Contactor
Product Overview
SIEMENS 3RT2636-1AP03 is a SIRIUS 3RT26 Capacitor Contactor designed specifically for switching capacitive loads (AC-6b), such as power factor correction capacitor banks. It is a 3-pole contactor, size S2, equipped with pre-charge damping resistors to reduce inrush current when switching capacitor loads.
This model is rated for 50 kVAr capacitor switching at 400 V AC, with a 230 V AC coil (50 Hz) and 1NO + 1NC auxiliary contacts.
Specifications
- Brand: SIEMENS
- Series: SIRIUS 3RT26
- Model: 3RT2636-1AP03
- Product Type: Capacitor Contactor
- Application Category: AC-6b (Capacitive Loads)
- Number of Poles: 3 Pole
- Size: S2
- Rated Capacitor Power: 50 kVAr at 400 V AC
- Rated Voltage: Up to 690 V AC
- Coil Voltage: 230 V AC
- Frequency: 50 Hz
- Auxiliary Contacts: 1 NO + 1 NC
- Terminal Type: Screw Terminal
- Mounting: Panel / DIN rail compatible with accessories
- Operating Temperature: -25…+60 °C
- Protection Rating: IP20
Advantages & Features
- Specially designed for capacitor bank switching
- Reduces capacitor switching surge current
- Improves power factor correction system reliability
- Integrated damping resistors protect capacitor components
- High switching reliability and long service life
- Compact SIRIUS modular design
- Provides auxiliary contacts for control and feedback circuits
- Suitable for industrial power compensation systems
Applications
- Power factor correction cabinets
- Capacitor bank control systems
- Industrial electrical distribution
- Motor compensation systems
- Factory power management systems
- Automation control panels
- Low-voltage switchgear systems
Precautions
- Confirm capacitor power rating before installation
- Do not use as a standard motor contactor
- Verify coil voltage (230 V AC, 50 Hz)
- Ensure correct capacitor discharge time before switching
- Check terminal tightening torque
- Disconnect power before maintenance
- Install with appropriate short-circuit protection