3RM1307-3AA04

The Siemens SIRIUS 3RM1307-3AA04 is a hybrid forward and reverse motor starter, rated at 500V, 0.55-3kW, and 1.6-7A. It features screw terminals in the main circuit and spring-insertion terminals in the control circuit. It has built-in CLASS 10A electronic overload protection and SIL2 safety power-off function, and a mechanical life of 30 million cycles.

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Siemens SIRIUS 3RM1307-3AA04 Hybrid Forward and Reverse Motor Starter (Physical Image)

Product Positioning

The 3RM1307-3AA04 is a forward and reverse safety model of the Siemens SIRIUS 3RM1 hybrid motor starter, which combines a semiconductor soft starter and a mechanical bypass contactor in a single 22.5mm wide housing and has built-in safety-related power-off functions.

Core Product Advantages and Features

forward and reverse integrated

The same housing supports both forward and reverse starting, eliminating the need for a separate reverse contactor and interlocking mechanism.

Hybrid switching technology

It switches to low-loss semiconductors at startup and switches to energy-saving relays during operation, balancing lifespan and efficiency.

Built-in safety power-off function

It features a safety-related power-off design and meets the SIL2 level according to IEC 61508 specifications, making it suitable for use in safety circuits.

Electronic overload protection

The CLASS 10A trip and adjustable current limit eliminate the need for a separate overload relay, simplifying wiring and panel space.

Push-in control terminal

The control circuit uses spring-loaded terminals, while the main circuit uses screw terminals, balancing wiring speed and stability.

project	Specification
Product Type	SIRIUS 3RM1 Hybrid Forward and Reverse Motor Starter
Rated voltage	500 V AC
Rated power range	0.55 ... 3 kW
Rated current range	1.6 ... 7 A
Control voltage	24 V DC
Break away from level	CLASS 10A
Terminal type	Main circuit screw terminals / Control circuit push-in spring-loaded terminals
Overload protection type	Solid-state electronic with adjustable current limiting
Security Function Level	SIL2 (according to IEC 61508 PFDavg data)
Protection level	IP20
Mechanical life (number of switching cycles)	Approximately 30 million times
UL rated current (FLA, 480V three-phase)	6.1 A
External dimensions (width x height x depth)	22.5 x 100 x 141.6 mm
Operating temperature (operation)	-25°C ... +60°C

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