Siemens SIRIUS 3RT2017-1CP04-3MA0 Power Contactor, 12A, 5.5kW, 3-Pole, 230V AC Coil, Varistor, Size S00, Screw Terminal Original Brand New

Overview: Siemens SIRIUS 3RT2017-1CP04-3MA0 Power Contactor

The Siemens SIRIUS 3RT2017-1CP04-3MA0 is a high-performance, climate-proof 3-pole power contactor designed for reliable motor switching in industrial and commercial applications. Part of the proven SIRIUS 3RT2 series, this robust contactor is rated for $AC-3e/AC-3$ operation with a maximum operating current of 12 A and a power rating of 5.5 kW at 400 V.

It features a $230VAC,50/60Hz$ operating coil, enhanced with a plugged-on varistor for effective surge suppression and increased coil lifespan. The compact Size S00 unit is equipped with a captive auxiliary switch block, providing 2 Normally Open (NO) + 2 Normally Closed (NC) auxiliary contacts, and utilizes secure screw terminals for easy and reliable wiring. This product ensures high operational reliability and is suitable for worldwide use.

Key Features & Specification

• Product ID: 3RT2017-1CP04-3MA0
• Contactor Series: SIRIUS 3RT2 (3RT20)
• Operating Rating (AC-3e/AC-3): 12 A
• Power Rating: 5.5 kW / 400 V
• Number of Poles: 3-pole
• Control Coil Voltage: 230 V AC, 50/60 Hz
• Integrated Protection: Varistor for surge suppression (plugged on)
• Auxiliary Contacts: 2 NO + 2 NC (Captive/Permanently Mounted)
• Terminal Type: Screw Terminal
• Contactor Size: S00
• Insulation Voltage (Ui​): 690 V
• Surge Voltage Resistance (Uimp​): 6 kV
• Operating Life (Mechanical): Typically 10,000,000 switching cycles
• Degree of Protection: IP20 on the front and terminal
• Standard: Compliant with IEC 60947

Benefit

1. High Reliability: Built on the trusted Siemens SIRIUS platform for consistent and long-lasting performance.
2. Integrated Surge Protection: The factory-equipped varistor protects the coil against switching overvoltages, extending the control unit’s service life.
3. Enhanced Safety & Tamper Protection: Features a captive/permanently mounted auxiliary switch block (2 NO + 2 NC) which prevents unauthorized removal and ensures circuit integrity.
4. Space-Saving Design: The compact Size S00 is ideal for installation in control panels where space is limited.
5. Easy Installation: Features secure and dependable screw terminals for main and control circuits.

Function & Application

The Siemens 3RT2017-1CP04-3MA0 power contactor is primarily used for switching electric motors (Direct On Line/DOL start) and resistive loads. It functions as a remotely controlled switch, safely connecting and disconnecting power to the load.

Application

• Controlling pumps, fans, compressors, and general machinery.
• Integration into motor starters, reversing contactors, and complex load feeders.
• Use in control panels and machinery automation systems.

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