Siemens 3RT2023-1AP04 SIRIUS Power Contactor 3P 9A AC-3 230V

The Siemens 3RT2023-1AP04 (MLFB: 3RT2023-1AP04) is a SIRIUS 3RT2 series 3-pole power contactor rated at 9 A AC-3 / 4 kW at 400 V, with a 230 V AC 50 Hz control coil. It includes 2 NO + 2 NC auxiliary contacts and features screw terminals in size S0 with a removable auxiliary switch.

Technical specifications:

• MLFB: 3RT2023-1AP04
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type: Power contactor (3RT2)
• Size: S0
• Number of main poles: 3
• Rated operational current AC-3 (400 V): 9 A
• Rated operational current AC-1 (400 V, 40°C): 40 A
• Rated operating power AC-3 at 400 V: 4 kW
• Rated operating power AC-3 at 690 V: 7.5 kW
• Maximum operating voltage (AC-3 / AC-3e): 690 V
• Insulation voltage (main and auxiliary circuit): 690 V
• Surge voltage resistance (main and auxiliary circuit): 6 kV
• Control supply voltage: 230 V AC, 50 Hz
• Coil operating range: 0.8 - 1.1 x rated voltage
• Auxiliary contacts: 2 NO + 2 NC
• Terminal type: Screw terminal
• Removable auxiliary switch: Yes
• Operating temperature: -25 ... +60°C
• Storage temperature: -55 ... +80°C
• Installation altitude: Max. 2000 m above sea level
• Mechanical service life: 10,000,000 operating cycles
• Net weight: 0.45 g

Features and benefits:

• Rated for AC-3e and AC-3 duty, supporting frequent switching of motors and inductive loads
• Removable auxiliary switch block allows flexible configuration without replacing the base unit
• 2 NO + 2 NC integrated auxiliary contacts reduce wiring complexity in control circuits
• Wide ambient temperature range (-25 ... +60°C) suits demanding industrial environments
• 10 million mechanical operating cycles for long service life in high-cycle applications

Applications:

• Switching and controlling 3-phase induction motors up to 4 kW at 400 V
• Motor starter assemblies in industrial control panels and distribution boards
• Reversing and star-delta starter combinations using the removable auxiliary switch
• Lighting contactor duty (AC-5a) up to 690 V

Compliant with EN 60947-4-1 (contactors for motor loads) and EN 60947-1. Part of the Siemens SIRIUS 3RT2 range.

Also known as: Siemens 3RT2023-1AP04, SIRIUS 3RT2 contactor 9A 230V, Siemens S0 power contactor.