3RT1015-1HB41

The Siemens SIRIUS 3RT1015-1HB41 is an S00 frame mini power contactor equipped with a 24V DC operating coil and one set of normally open auxiliary contacts, a three-pole normally open main contact, an AC-3 rated current of 7A, 3kW/400V, screw terminal wiring, and can be locked to a standard 35mm DIN rail. It is suitable for small motors and load control circuits.

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Siemens 3RT1015-1HB41 SIRIUS S00 Mini Contactor 24VDC

Product Positioning

The 3RT1015-1HB41 is the smallest S00 frame contactor in the Siemens SIRIUS classic 3RT1 series. Driven by a 24V DC coil, it measures only 45x57.5x72mm, making it particularly suitable for space-constrained control boxes and machine panel displays. It features a built-in normally open auxiliary contact that can directly feed back the contactor's operating status to the control system, making it an economical choice for starting small motors and switching circuits.

Core Product Advantages and Features

S00 Ultra-small Frame

Measuring only 45x57.5x72mm, it significantly saves internal space in the control box and distribution panel.

24V DC coil

Suitable for low-voltage DC control power supply environments, with an operating voltage range of approximately 0.7 to 1.25 times the rated value.

1NO auxiliary contact

It has a built-in set of normally open auxiliary contacts for easy feedback of contactor status or interlock control.

AC-3 3kW/400V

The rated operating current is 7A, which meets the starting requirements of a typical three-phase small motor.

IP20 protection rating

Both the terminals and the front panel are rated IP20, providing both basic protection and heat dissipation.

Standard rail installation

It can be directly inserted into a 35mm standard guide rail, and also supports screw mounting.

project	Specification
series	SIRIUS classic 3RT1
Frame size	S00
coil voltage	24V DC
Auxiliary contact	1 NO (Normal Open)
Main contact configuration	3-pole normally open (3NO)
Rated current (AC-3)	7A
Rated power (AC-3,400V)	3kW
Protection level	IP20
External dimensions	45 (width) x 57.5 (height) x 72 (depth) mm
Wiring method	Screw terminals
Installation method	35mm standard rail/screw mounting

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