Siemens Power contactor, 3-pole, 1NO + 1NC, size S0, 4kW Part number 3RT2023-1AP00

Product Overview

Siemens SIRIUS AC contactor (3RT2023-1AP00) is a compact three-pole motor and load switching contactor designed for industrial control applications. It features a narrow 45 mm body, integrated auxiliary contacts and a 230 V AC control coil, making it ideal for switching motors, resistive loads, lighting and heating circuits in control panels and automation systems. The robust design and standardized IEC form factor provide dependable, space-saving performance in demanding environments.

Key Features

• SIRIUS series AC contactor for motor and general load switching
• 3-pole contactor with narrow 45 mm housing width
• 230 V AC control coil for standard industrial control voltages
• Integrated auxiliary contact block with 1 NO + 1 NC contact
• Silver contact material for reliable switching performance
• Screw terminal connections for secure wiring
• Compact, robust industrial design

Technical Specifications

• Article Number: 3RT2023-1AP00
• Product Family: SIRIUS AC contactors
• Device Type: Three-pole AC contactor
• Number of Poles: 3
• Housing Width: 45 mm
• Coil Voltage (Control Voltage): 230 V AC, 50 Hz
• Auxiliary Contacts: 1 NO + 1 NC
• Rated Operational Current (AC-3 at 400 V): 9 A
• Switching Power (AC-3 at 400 V): up to 4 kW
• Rated Operational Voltage: Up to 690 V AC
• Utilization Categories: AC-1, AC-3
• Contact Material: Silver
• Connection Type: Screw terminals
• Mechanical Durability: High cycle life for frequent operation
• Electrical Endurance: Designed for reliable performance under load
• Mounting Type: DIN rail or panel mounting with adapter
• Operating Temperature Range: –25 °C to +60 °C
• Protection Rating: IP20 when installed in enclosure
• Housing Colour: Light grey
• Dimensions (approx.): 80 mm × 45 mm × 117 mm
• Weight (approx.): 0.25 kg

Compliance & Certifications

• Manufactured to Siemens industrial quality standards
• CE compliant for industrial control applications
• RoHS compliant

Applications

The Siemens 3RT2023-1AP00 contactor is used in industrial automation and control systems to switch motors, lighting and resistive loads. It is suitable for motor starters, control panels, HVAC systems, machine controls and automation equipment where dependable, compact contactors with standard control voltage and auxiliary contacts are required.