Siemens SIRIUS 3RT2018-1AP04-3MA0 Power Contactor, 16A, 7.5kW, 400V, 3-Pole, 230V AC Coil, Size S00 Original Brand New

Overview

The Siemens SIRIUS 3RT2018-1AP04-3MA0 is a high-performance, compact power contactor from the SIRIUS 3RT2 series, designed for reliable switching of motors and other resistive loads. This robust 3-pole device is rated for an operational current of 16 A for AC-3e/AC-3 applications and is suitable for switching motors up to 7.5 kW at 400 V.

It features a control circuit voltage of 230 V AC (50/60 Hz) and includes an integrated, permanent auxiliary switch block with a versatile configuration of 2 Normally Open (NO) and 2 Normally Closed (NC) contacts.³ Its compact Size S00 and secure screw terminal connections make it an ideal choice for space-saving and robust industrial control panel applications, particularly those requiring reliable safety circuits due to the captive auxiliary switch for applications like SUVA.

Key Features & Function

• Rated Operational Current: 16 A

• Power Rating: 7.5 kW at 400 V

• Number of Poles: 3-Pole (3 main contacts)

• Control Voltage: 230 V AC, 50/60 Hz

• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)

• Terminal Type: Screw terminals for secure and easy wiring

• Size: S00 (compact design for space-saving installations)

• Mounting: Captive auxiliary switch for enhanced convenience

• Switching Category: AC-3 / AC-3e, ideal for motor switching and control

Benefit

• High Efficiency: Low power loss and reliable switching for motor control.

• Compact Design: Fits easily into control panels with minimal space requirements.

• Durable Construction: Built to withstand demanding industrial environments.

• Flexible Application: Suitable for use in automation systems, HVAC, and machinery control.

• Easy Installation: Screw terminals and captive auxiliary switch simplify wiring.

Application

• Industrial automation systems

• Motor control centers (MCCs)

• HVAC and compressor units

• Conveyor systems and pumps

• Electrical distribution panels

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