OVERVIEW

Official designation: SIEMENS 3RT1015-1BB41 (SIRIUS, Power Contactor)

Role/Application: Compact 3-pole contactor for switching motors up to 3 kW at 400 V AC, ensuring dependable operation in industrial control panels.

KEY SPECS SUMMARY

Power: 24 V DC Coil

Interfaces / Ports: Screw terminals

Indicators: N/A

Operating Temp: Minus 25 to 60 degrees C

Platform / Compatibility: SIRIUS S00, 3RT1

Limit: 7 A AC-3 rated current

Lifecycle: Phased out/Discontinued

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the main and auxiliary contact configurations of this contactor?

A: It has three normally open main contacts (3NO) and one integrated normally open auxiliary contact (1NO).

Wiring & Installation:

Q: What method is used for securing the contactor to a mounting surface?

A: The unit supports both screw mounting and snap-on mounting onto a 35 mm DIN rail.

Troubleshooting & Compatibility:

Q: Can this contactor be used with an overload relay for motor protection?

A: Yes, it is compatible with 3RU11 thermal overload relays, which must be ordered separately.

Replacement & Upgrades:

Q: What is the official successor model for the 3RT1015-1BB41 contactor?

A: The preferred successor is the SIRIUS 3RT2 series contactor, model 3RT2015-1BB41.