Siemens 3RT2038-1KB44-3MA0 Power Contactor, S2, 80A, 37kW, 24V DC Original Brand New
$245.94
Siemens 3RT2038-1KB44-3MA0 power contactor, AC-3e/AC-3, 80 A, 37 kW / 400 V, 3-pole, 24 V DC, 0.8-1.2* Uc, with integrated varistor, auxiliary contacts: 2 NO + 2 NC, screw terminal, frame size: S2, suitable for PLC outputs, captive auxiliary switch
Overview
The Siemens 3RT2038-1KB44-3MA0 is a high-performance SIRIUS 3RT2 series power contactor designed for industrial control applications. This S2 frame size contactor is rated for AC-3e/AC-3 operation at up to 80 A and 37 kW at 400 V. Engineered for robustness and reliability, it features a 24 V DC control voltage with a wide operating range of 0.8-1.2*Uc, making it perfectly suited for direct connection to PLC outputs.
The integrated varistor provides crucial surge protection for the coil, enhancing the lifespan of the control system. With a convenient screw terminal design and captive auxiliary switches (2 NO + 2 NC), this contactor ensures easy and secure installation while providing versatile feedback for your control circuits.
Key Benefit
- Optimized for PLC Integration: The wide voltage range (0.8-1.2*Uc) and 24 V DC coil are ideal for direct and reliable operation with modern PLC outputs, simplifying your control panel design.
- Enhanced System Protection: The integrated varistor protects the control coil from damaging voltage spikes, increasing the longevity of both the contactor and the associated PLC.
- High Performance & Reliability: With an 80 A and 37 kW rating, this contactor is built to handle demanding loads in various industrial environments, ensuring consistent and dependable motor control.
- Convenient & Secure Wiring: The robust screw terminals ensure a strong, reliable connection, while the captive auxiliary switches prevent loss during installation.
- Versatile Auxiliary Contacts: The 2 NO + 2 NC auxiliary contact configuration provides flexible options for signaling, interlocking, and other control circuit functions.
Technical Specification
- Product Type: Power Contactor (SIRIUS 3RT2)
- Product Number: 3RT2038-1KB44-3MA0
- Current Rating (AC-3e/AC-3): 80 A
- Power Rating: 37 kW at 400 V
- Number of Poles: 3
- Frame Size: S2
- Control Voltage: 24 V DC
- Control Voltage Tolerance: 0.8 – 1.2 * Uc
- Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
- Connection Type: Screw Terminal
- Integrated Features: Varistor for coil protection
- Compatibility: Suitable for PLC outputs
- Switch Type: Captive Auxiliary Switch
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| Weight | 1.2 kg |
|---|---|
| Dimensions | 186 × 131 × 80 mm |
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