3RM1307-1AA04

The Siemens SIRIUS 3RM1307-1AA04 is a hybrid forward and reverse motor starter, rated at 500V, 0.55-3kW, and 1.6-7A. Both the main circuit and control circuit use screw terminals. It has built-in CLASS 10A electronic overload protection and SIL2 safety power-off function, making it suitable for applications that prefer all-screw wiring.

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Siemens SIRIUS 3RM1307-1AA04 All-Screw Terminal Reverse Motor Starter - Physical Image

Product Positioning

The 3RM1307-1AA04 and 3RM1307-3AA04 have the same electrical specifications. Both are SIRIUS 3RM1 hybrid forward and reverse safety starters. The difference is that both the main circuit and control circuit of this model adopt a full screw terminal system, which is convenient for production lines with standardized wiring methods.

Core Product Advantages and Features

forward and reverse integrated

A single housing supports both forward and reverse rotation, eliminating the need for additional reverse contactors and mechanical interlocks.

All-screw terminal system

Both the main circuit and the control circuit use screw terminals, which makes it convenient to continue using traditional crimp terminals and wiring habits.

Built-in safety power-off function

It features safety-related power-off design and meets SIL2 level according to IEC 61508 specifications.

Electronic overload protection

The CLASS 10A trip and adjustable current limit eliminate the need for a separate overload relay.

Hybrid switching technology

It uses semiconductor switching during startup and relay conduction during operation, combining durability and energy saving.

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	Both the main circuit and the control circuit are screw-type connection systems.
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
Module width	22.5 mm
Operating temperature	-25°C ... +60°C

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