Siemens 3RT2015-1BG41 SIRIUS Power Contactor 7A, 3kW, 3-Pole, 125V DC Coil, Size S00, Screw Terminal Original Brand New

Overview

The Siemens 3RT2015-1BG41 is a compact and high-performance power contactor from the SIRIUS 3RT2 series, designed for switching electrical motors and other loads. Part of the proven SIRIUS modular system, this robust 3-pole contactor is engineered for industrial applications demanding reliable operation and a space-saving design. It features a high control supply voltage of 125 V DC and is rated for a power output of 3 kW at 400 V (AC-3/AC-3e). Its small Size S00 footprint makes it ideal for panel builders and machine manufacturers where control cabinet space is limited.

Key Specifications & Features

• Product ID: 3RT2015-1BG41
• Series: SIRIUS 3RT2
• Contactor Size: S00
• Number of Poles: 3-pole
• Operational Current (Ie​): 7 A (at 400 V, AC-3/AC-3e)
• Operational Power (Pe​): 3 kW (at 400 V, AC-3/AC-3e)
• Control Supply Voltage (Coil Voltage): 125 V DC
• Auxiliary Contacts: 1 NO (Normally Open) integrated auxiliary switch
• Connection Type: Screw Terminal (for main and auxiliary circuits)
• Approvals: Worldwide compliance (IEC, UL/CSA, etc.)
• Climate Resistant: Suitable for worldwide use in various ambient conditions (e.g., −25∘C to +60∘C)

Benefit

• High Reliability: Exceptional contact reliability typical of the SIRIUS family, ensuring long service life for critical applications.
• Space-Saving Design: Ultra-compact S00 size allows for optimized use of control cabinet space.
• Fast and Secure Wiring: Robust screw terminals ensure a strong, reliable, and easily accessible connection.
• Global Standard: Compliant with international standards (IEC, UL/CSA), making it suitable for global machinery export.
• Energy Efficiency: Low power loss in operation (e.g., $0.6\text{ W}$ at AC in hot operating state) contributes to lower energy consumption.

Function / Application

The Siemens 3RT2015-1BG41 power contactor is primarily used for switching motors and controlling general electrical loads. It is a fundamental component in motor starters (direct or reversing) and control circuits in industrial automation. Its 125 V DC coil is often preferred in specific industrial control systems or DC-supplied environments.

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