Siemens 3MT8250-1AM04 AC-3 Power Contactor 250A, 132kW, 400V Original Brand New

Siemens 3MT8250-1AM04 AC-3 Power Contactor – Heavy Duty 250A, 132kW Motor Control

Overview

The Siemens 3MT8250-1AM04 Contactor is a high-performance, 3-pole electrical contactor engineered for the most demanding industrial power switching applications. Categorized under AC-3 utilization, this contactor is ideally suited for reliably switching squirrel-cage motors with power ratings up to 132 kW at 400V. With a substantial 250A current handling capacity, the Siemens 3MT8250-1AM04 Contactor is an essential component for heavy-duty machinery, ensuring robust and efficient control in critical industrial processes. Its S10 size indicates a powerful solution for significant electrical loads.

Function

The primary function of the Siemens 3MT8250-1AM04 Contactor is to act as an electrically operated switch, enabling the safe and efficient connection or disconnection of electrical power to large three-phase loads, typically industrial motors. Activated by a 220VAC, 50 Hz control coil, the contactor’s main poles close, allowing current to flow. The integrated 2 Normally Open (2NO) and 2 Normally Closed (2NC) auxiliary contacts provide crucial flexibility for intricate control circuits, interlocks, and status signaling, enhancing both operational safety and automation capabilities. Reliable screw terminals ensure robust and simple wiring connections.

Key Features:

• Exceptional Current & Power Rating: Designed for AC-3 operation, handling up to 250 Amps or 132 kW at 400 Volts.
• Robust 3-Pole Design: Ensures stable and reliable switching for high-power three-phase systems.
• Comprehensive Auxiliary Contacts: Includes 2 Normally Open (2NO) and 2 Normally Closed (2NC) contacts for advanced control, interlocking, and feedback.
• Standard Control Voltage: Operates with a 220V AC, 50Hz control coil, suitable for many industrial control systems.
• Heavy-Duty S10 Size: Provides significant power capacity in a durable frame, optimized for demanding applications.
• Secure Connection: Equipped with sturdy screw terminals for straightforward, high-integrity wiring.
• Uncompromising Siemens Quality: Built to Siemens’ rigorous engineering standards, ensuring long-term reliability and performance in harsh industrial environments.
• Broad Application Scope: Ideal for starting and stopping large motors, controlling heating elements, and managing other significant power circuits in heavy industries.

Technical Specifications:

• Product Model: Siemens 3MT8250-1AM04
• Utilization Category: AC-3
• Rated Operational Current (Ie): 250 A (at 400V)
• Rated Operational Power (Pe): 132 kW (at 400V)
• Rated Operational Voltage: 400 V
• Control Supply Voltage: 220 V AC, 50 Hz
• Number of Poles: 3-pole
• Auxiliary Contacts: 2 NO + 2 NC
• Size: S10
• Terminal Type: Screw Terminal

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