Siemens SIRIUS 3RT2015-1BM42 Power Contactor, 7A, 3kW, 220V DC Coil, 1NC, Size S00 Original Brand New

Overview

The Siemens 3RT2015-1BM42 is a high-performance, compact SIRIUS 3RT2 power contactor designed for reliable switching of motors and electrical loads, compliant with both AC-3 and the new high-efficiency AC-3e utilization categories. This essential industrial control component is a 3-pole contactor rated for 7 A at 400 V, handling up to 3 kW motor power. Its compact Size S00 makes it ideal for space-saving control cabinet designs.

Key Specifications

• Manufacturer: Siemens
• Product Series: SIRIUS 3RT2
• Contactor Type: Power Contactor (Motor Switching)
• Rated Operational Current (AC-3e/AC-3, 400V): 7 A
• Rated Operational Power (AC-3, 400V): 3 kW (approx. 3 HP @ 460V)
• Number of Poles: 3-pole
• Control Coil Voltage: 220 V DC
• Auxiliary Contacts: 1 NC (Normally Closed) – Integrated in the base unit
• Connection Type: Screw Terminal
• Size: S00
• Replacement for: 3RT1015-1BM42 (Supersedes previous model)

Benefit

1. IE3/IE4 Motor Ready: Compliant with the new AC-3e utilization category for efficient and reliable switching of highly efficient motors.
2. Compact, Space-Saving Design: The small S00 frame size allows for higher packing density in control cabinets.
3. High Reliability: Features outstanding contact reliability and a long mechanical service life (typically 30 million operating cycles).
4. Integrated Auxiliary Contact: The built-in 1 NC auxiliary contact simplifies wiring and reduces the need for additional components.
5. Globally Approved: Climate-resistant and approved for worldwide use (e.g., IEC, UL/CSA).
6. Easy Wiring: Secure and robust screw terminals for main and auxiliary circuits.

Function / Application

The Siemens 3RT2015-1BM42 power contactor is primarily used in industrial automation and control systems for:

• Switching 3-Phase Motors: Direct-on-line (DOL) starting and switching of motors up to 3 kW at 400 V.
• Control of Resistive Loads (AC-1): Rated for up to 18 A at 400 V (AC-1).
• Integration into Load Feeders: Easily combined with the complete SIRIUS modular system, including thermal and electronic overload relays (e.g., 3RU2 and 3RB3 series) to form complete motor starters.
• Automation: Used as a key switching element in machinery and equipment control panels.

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