3RT2024-1AD00

Siemens 3RT2024-1AD00 contactor, 42V AC coil, 12A
Siemens 3RT2024-1AD00 contactor, 42V AC coil, 12A

42V AC safety extra-low voltage coil, 3-pole 12A/5.5kW load capacity, built-in one set of normally open and normally closed auxiliary contacts, screw terminal mounting in S0 standard frame.

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Siemens 3RT2024-1AD00 contactor, 42V AC coil, 12A
Product Positioning

The 3RT2024-1AD00 is a Siemens SIRIUS 3RT2 series S0 frame contactor with a coil voltage of 42V AC. 42V is a common extra-low voltage (SELV) rating, often used in machine tools or near human-machine interfaces where high safety requirements for control circuits are necessary. The main circuit maintains the same S0 frame, AC-3 rated 12A/5.5kW (400V), and 3-pole specifications as other models in the series. It also features one set of NO+1 NC auxiliary contacts and a screw terminal wiring design for easy installation on standard 35mm DIN rails.

Core Product Advantages and Features
42V Safety Extra Low Voltage Coil
The coil voltage of 42V AC is a safety extra-low voltage level, which is suitable for control circuit design where personnel safety requirements are high.
Built-in 1 NO + 1 NC auxiliary contact
The main body is equipped with one set of normally open and one set of normally closed contacts, which can be directly used for interlocking or feedback of operating status.
S0 chassis is common to all series
The external dimensions and mounting holes are consistent with other part numbers in the 3RT2024 series, making spare parts management and replacement convenient.
Stable and reliable mechanical life
With a mechanical life of approximately 10 million operations, it complies with IEC 60947 standards and is suitable for long-term industrial use.
project Specification
Coil voltage/frequency 42V AC, 50/60Hz
Auxiliary contact configuration 1 NO + 1 NC (Instantaneous Action)
Applicable occasions 42V Safety Extra Low Voltage (SELV) Control Circuit
Applicable motor circuit current (AC-3, 400V) 12 A
Rated operating power (AC-3, 400V) 5.5 kW
Number of poles/frame 3-pole (3P) / S0
Dimensions of the outer casing (width × height × depth) 45 × 85 × 97 mm
Terminal type Screw terminals
Rated insulation voltage Ui 690 V
Rated impulse withstand voltage Uimp 6 kV
Protection level IP20 (Front Side and Terminals)
Mechanical life Approximately 10 million times (typical)
Ambient temperature -25°C ~ +60°C
Acceptable conductor wire diameters (main/auxiliary circuits) 1~10 mm² / 0.5~2.5 mm²

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