Siemens 3RT2024-1AP04 Power Contactor 3P 12A 5.5kW 230V AC S0

The Siemens 3RT2024-1AP04 is a 3-pole SIRIUS power contactor rated 12 A / 5.5 kW at 400 V in AC-3/AC-3e duty, with a 230 V AC, 50 Hz control coil. Size S0, it ships with an integrated 2 NO + 2 NC auxiliary contact arrangement and a removable auxiliary switch block for flexible circuit control configurations.

Technical specifications:

• MLFB: 3RT2024-1AP04
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type: Power contactor, type 3RT2, size S0
• Main poles: 3
• Rated current AC-3: 12 A at 400 V / 500 V; 9 A at 690 V
• Rated current AC-1: 40 A at 400 V / 40 °C
• Operating power AC-3: 3 kW at 230 V; 5.5 kW at 400 V; 7.5 kW at 690 V
• Max operating voltage AC-3/AC-3e: 690 V
• Control supply voltage: 230 V AC, 50 Hz
• Control voltage operating range: 0.8 ... 1.1 x rated coil voltage
• Coil pick-up power: 65 VA at 50 Hz; holding power: 7.6 VA at 50 Hz
• Auxiliary contacts: 2 NO + 2 NC, screw terminal
• Insulation voltage (main and auxiliary circuit): 690 V
• Surge voltage resistance: 6 kV
• Operating temperature: -25 ... +60 °C
• Max installation altitude: 2,000 m
• Mechanical service life: 10,000,000 operating cycles

Features and benefits:

• Removable auxiliary switch block enables flexible reconfiguration without replacing the base contactor
• Mechanical service life of 10,000,000 cycles supports high-cycle motor switching applications
• High shock resistance up to 11.8 g / 5 ms (sine pulse) suits demanding industrial environments
• Low holding power of 7.6 VA at 50 Hz reduces continuous energy consumption

Applications:

• Direct-on-line starting and switching of 3-phase motors up to 5.5 kW at 400 V
• Motor control in industrial machinery, conveyor systems, and pump installations
• Switching resistive and inductive loads in control panels and building services
• AC-4 duty reversing and plugging applications within rated AC-4 current limits

Compliant with EN 60947-1. Part of the Siemens SIRIUS 3RT2 range.

Also known as: Siemens 3RT2024-1AP04, SIRIUS 3RT2 power contactor, Siemens S0 contactor 230V AC.