3RT2016-1JB41

The SIRIUS S00 coupled power contactor features a 24V DC coil with diode protection, one set of fixed, non-expandable normally open auxiliary contacts, AC-3 9A/4kW, and weighs only about 0.297kg, making it suitable for PLC output switching applications.

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Siemens 3RT2016-1JB41 Coupled Contactor 24VDC 1NO 9A

Product Positioning

The 3RT2016-1JB41 is a coupling contactor in the Siemens SIRIUS family, specifically designed for connecting PLC digital outputs. The coil is rated at 24V DC and has a built-in suppressor diode to absorb the reverse voltage during coil release, preventing damage to the PLC output circuit. This model has a fixed auxiliary contact of one normally open (1NO) group, a factory-designed configuration that cannot be retrofitted with other auxiliary contact modules. It is suitable for applications requiring low-power control signals to drive high-current loads. The main circuit specifications are consistent with other products in the series, capable of handling AC-3 9A, 400V/4kW three-phase loads. The entire unit weighs only approximately 0.297 kg, making it easy to install in control boxes with limited space.

Core Product Advantages and Features

24V DC coil + suppression diode

The coil has a built-in diode that absorbs back electromotive force when power is off, extending the lifespan of the control circuit and PLC output module.

Fixed 1NO auxiliary contact

One set of normally open auxiliary contacts is used for status feedback or interlocking. The factory-set auxiliary module cannot be added.

AC-3 9A/4kW main circuit load

The 3-pole main contacts can directly switch 400V/9A three-phase loads, conforming to IEC 60947-5-1 standard.

Lightweight S00 casing

Net weight approximately 0.297kg, standard S00 frame 45×58×73mm, can be fixed with DIN rail or screws.

project	Specification
Rated current of main circuit (AC-3)	9 A
Rated power (400V, AC-3)	4 kW
Extreme number	3-pole (3P)
Coil Specifications	24 V DC, built-in suppression diode
Auxiliary contact	1. NO, factory-fixed and cannot be retrofitted.
Auxiliary contact capacity (AC-15, 230V)	10 A
Rated insulation voltage	690 V
Enclosure protection rating	IP20
Terminal blocks	Screw terminals, wire cross-sectional area 0.5–4 mm²
Dimensions of the outer casing (width × height × depth)	45×58×73 mm
net weight	Approximately 0.297 kg
Casing Specifications	S00
Operating ambient temperature	-25°C ~ +60°C
Safety certification	CE, UL, CSA, CCC, EAC
Place of origin	Germany

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3RT2016-1JB42

The Siemens SIRIUS S00 coupled power contactor features a 24V DC coil with a suppressed diode, one set of normally closed auxiliary contacts, and an AC-3 9A/4kW rating. It is suitable as an isolation element between the PLC digital output and the main circuit.

3RT2016-1HB42

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3RT2016-1HB41

SIRIUS S00 miniature power contactor, 24V DC coil, coil operating range 0.7–1.25 times rated value, fixed 1 set of normally open auxiliary contacts, AC-3 9A/4kW, can be directly driven by PLC output.