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3TS3400-0AF74-8K | Power Contactor 40 A, 4 Pole, 87-127 V AC, AC1 Duty, Size 1 – Siemens
Product Overview
The 3TS3400-0AF74-8K is a high-quality power contactor manufactured by Siemens, designed for reliable switching of electrical loads. It is suitable for a wide range of industrial and commercial applications, offering robust performance and durability.
Key Features
- Rated Current: 40 A
- Number of Poles: 4
- Coil Voltage: 87-127 V AC
- Duty Type: AC1
- Size: 1
- Contact Material: Silver alloy for high durability and low contact resistance
- Mounting Type: DIN rail mounting for easy installation
- Enclosure Rating: IP20 for protection against solid objects
- Mechanical Life: Up to 10 million operations
- Electrical Life: Up to 1 million operations under AC1 duty
- Operating Temperature: -25°C to +60°C
- Standards Compliance: IEC/EN 60947-4-1, UL 508, CSA C22.2 No. 14
Applications
The 3TS3400-0AF74-8K power contactor is ideal for use in:
- Motor control circuits
- Heating and lighting systems
- Industrial automation
- Power distribution systems
- HVAC systems
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Operational Current (Ie) | 40 A |
| Rated Operational Voltage (Ue) | 690 V AC |
| Rated Insulation Voltage (Ui) | 690 V AC |
| Rated Frequency | 50/60 Hz |
| Coil Power Consumption | Approx. 8 VA |
| Weight | Approx. 0.5 kg |
Warranty
This product comes with a standard manufacturer warranty of 2 years, covering defects in materials and workmanship.
Safety Information
Ensure proper installation and operation by qualified personnel. Follow all local and international electrical codes and standards.
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