3RT2015-1QB41

The 3RT2015-1QB41 is a Siemens SIRIUS S00 miniature 3-pole contactor with a DC24V coil and screw terminal wiring. The main contacts are AC-3 rated at 7A, 3kW/400V. The operating temperature range is from -25 to 60 degrees Celsius, making it suitable for outdoor distribution boxes with large temperature differences. It also has one set of normally open auxiliary contacts.

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Siemens SIRIUS 3RT2015-1QB41 Miniature Contactor DC24V Screw Terminal Appearance

Product Positioning

The 3RT2015-1QB41 is a screw-terminal version of the DC24V coil in the Siemens SIRIUS S00 series, suitable for control circuits of general motor start/stop, commutation, or PLC output drive. It can withstand an operating temperature range of -25°C to 60°C, making it well-suited for outdoor distribution boxes, warehouses, or non-air-conditioned factory environments with large temperature differences. Equipped with one set of normally open auxiliary contacts, it can be used for operation signal feedback or interlocking control, maintaining the same DIN rail quick-mount design as other products in the series.

Core Product Advantages and Features

Wide temperature operating range

Operating temperature ranges from -25℃ to 60℃, suitable for outdoor distribution boxes and non-air-conditioned factories with large temperature differences.

DC24V coil

It can be directly driven by PLC output or 24V DC power supply, with simple wiring and streamlined control circuit.

Screw terminal wiring

The terminals are securely locked, making it easy to maintain and replace wires.

1NO auxiliary contact

It has a built-in set of normally open contacts, which can be used for operation indication or interlocking circuits.

S00 Small Frame DIN Rail Mounting

Compact size, conforms to EN60715 rail specifications, and is quick to install.

Multinational safety certifications

It has passed multiple international safety certifications such as CCC, CSA, EAC, and UL.

project	Specification
model	3RT2015-1QB41
series	Siemens SIRIUS 3RT2 (S00)
Extreme number	3-pole (3P)
coil voltage	DC 24V
Auxiliary contact	1NO (Group 1, normally open)
Wiring method	Screw terminals
Rated operating current (AC-3)	7A
Rated operating power (AC-3, 400V)	3kW
Operating temperature range	-25°C ~ +60°C
Mechanical life	Approximately 30 million times
Enclosure protection rating	IP20
Installation method	35mm DIN rail (cassette mounting)
net weight	Approximately 0.294 kg
Applicable Standards/Certifications	CCC, CSA, EAC, UL

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