Siemens 3RT2023-1AP00 Power Contactor 9A 4kW 3P 230V AC

The Siemens 3RT2023-1AP00 is a SIRIUS power contactor, 3-pole, rated 9 A at AC-3e/AC-3 and 4 kW at 400 V. The control coil operates at 230 V AC, 50 Hz, and the unit includes integrated 1 NO + 1 NC auxiliary contacts. Size S0 with screw terminals suits compact control panel assemblies.

Technical specifications:

• MLFB: 3RT2023-1AP00
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type: Power contactor (3RT2)
• Size: S0
• Poles: 3
• Rated current (AC-3/AC-3e at 400 V): 9 A
• Rated current (AC-1 at 400 V, 40 °C): 40 A
• Operating power (AC-3 at 400 V): 4 kW
• Operating voltage: up to 690 V
• Control supply voltage: 230 V AC, 50 Hz
• Coil operating range: 0.8 - 1.1 x Un
• Apparent pick-up power: 65 VA (50 Hz)
• Apparent holding power: 7.6 VA (50 Hz)
• Auxiliary contacts: 1 NO + 1 NC
• Terminal type: Screw terminal
• Insulation voltage (main and auxiliary circuits): 690 V
• Surge voltage resistance: 6 kV
• Closing delay (AC): 8 - 40 ms
• Operating temperature: -25 to +60 °C
• Storage temperature: -55 to +80 °C
• Installation altitude: max 2,000 m
• Mechanical service life: 10,000,000 operating cycles
• Power loss (AC, hot state): 0.6 W
• Net weight: 408 g

Features and benefits:

• 10,000,000 mechanical operating cycles for high-cycle industrial duty
• Integrated 1 NO + 1 NC auxiliary contacts provide control circuit feedback without an add-on block
• Power loss of only 0.6 W in hot operating state keeps panel heat dissipation low
• Ambient temperature range of -25 to +60 °C covers indoor and sheltered outdoor installations
• 6 kV surge voltage resistance on main and auxiliary circuits protects against transient overvoltages
• Operating frequency up to 1,000 switching operations per hour at AC-3 for frequent switching duty

Applications:

• Direct switching of three-phase motors up to 4 kW at 400 V in AC-3 duty
• Motor starter and reversing circuits in industrial machinery
• Pump and fan drive control in building services and HVAC installations
• Conveyor and compressor control panels
• Automation switchboards requiring compact size S0 contactors

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

Also known as: Siemens 3RT2023-1AP00, SIRIUS power contactor 9A 230V, 3RT2 contactor S0.