3RT1016-1BB41

The Siemens SIRIUS 3RT1016-1BB41 is an S00 miniature contactor, belonging to the same 24V DC coil series as the 1BB42. The difference lies in its configuration with one set of normally open auxiliary contacts, suitable for operation indication or start interlock signals. The main circuit has an AC-3 rated capacity of 9A, a power output of 4kW at 400V, and a mechanical life of 30 million cycles.

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Siemens 3RT1016-1BB41 24VDC contactor 1NO

Product Positioning

The 3RT1016-1BB41 and 1BB42 both belong to the Siemens SIRIUS 3RT10 series of 24V DC coil contactors. They feature a compact S00 frame, AC-3 rated 9A, and can switch 4kW three-phase motor loads at 400V. The difference lies in the configuration of one normally open auxiliary contact, suitable for use as a running indicator, counter, or start interlock signal. Compliant with IEC 60947 standards, it is a highly practical option for DC control panels.

Core Product Advantages and Features

9A/4kW main circuit

The AC-3 has a rated current of 9A and can switch 4kW three-phase motor loads at 400V.

24V DC coil

The DC coil design makes it suitable for integration with DC control power supply systems.

1 set of normally open auxiliary contacts

Built-in 1NO auxiliary contact, suitable for operation indication or start-up interlock signal output.

S00 Small Frame

It is compact and can be directly mounted on a 35mm standard guide rail to save space.

Screw terminal design

Both the main and auxiliary circuits use screw terminals, making wiring construction and maintenance convenient.

Conforms to international standards

It complies with the relevant specifications of IEC 60947 and has a mechanical life of 30 million cycles.

project	Specification
AC-3 rated current (400V)	9 A
AC-3 Rated Power (400V)	4 kW
Rated power (500V)	4.5 kW
Rated power (690V)	5.5 kW
coil voltage	24 V DC
Auxiliary contact	1 normally open (1NO) group
Extreme number	3 poles
Casing size	45 (width) × 57.5 (height) × 72 (depth) mm
Terminal type	Screw terminals
Mechanical life	Typical 30 million times
Protection level	IP20
Frame size	S00

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