3RT2037-1AP04

The Siemens 3RT2037-1AP04 contactor is a SIRIUS 3RT2 series size S2, 3-pole, AC-3 rated current 65A, power 30kW (400V), control voltage 230VAC 50Hz, equipped with 2NO+2NC auxiliary contacts, and has rich feedback signals.

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Siemens 3RT2037-1AP04 Contactor Size S2 230VAC 2NO+2NC

Product Positioning

The Siemens 3RT2037-1AP04 contactor belongs to the SIRIUS 3RT2 series, Size S2, 3-pole standard model, with an AC-3 rated current of 65A and a power of 30kW (400V). The control voltage is the common 230VAC, 50Hz. The Siemens 3RT2037-1AP04 is equipped with 4 auxiliary contacts (2NO+2NC), providing more interlocking and feedback points than the standard 1NO+1NC model, making it suitable for control panel designs requiring multiple monitoring signals.

Core Product Advantages and Features

Size S2 standard 3-pole contactor

The AC-3 has a rated current of 65A and a power of 30kW (400V), and is suitable for switching medium and large motors.

Control voltage 230VAC 50Hz

The single AC frequency design conforms to the commonly used control power supply specifications in Taiwan.

2NO+2NC auxiliary contacts

Four sets of auxiliary contacts provide relatively complete status feedback and interlocking functions.

Screw terminals, 35mm guide rail

Mechanical life of 10 million cycles, insulation voltage of 690V.

project	Specification
Rated current AC-3	65A (400V)
Rated power AC-3	30kW (400V)
Extreme number	3 poles
Control voltage	230VAC, 50Hz
Auxiliary contact configuration	2NO+2NC
Terminal type	Screw terminals
Rated insulation voltage Ui	690V
Rated impulse withstand voltage Uimp	6kV
Protection level	IP20 (front) / IP00 (terminal)
Mechanical life	10 million times
External dimensions	55 (width) × 114 (height) × 130 (depth) mm
Installation method	35mm standard guide rail clamping/screw fixing
Applicable series/sizes	SIRIUS 3RT2, Size S2
Certification	CE, UL, CSA, CCC

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