Overview
The Siemens 3RT2536-1NF30 is a high-performance 4-pole power contactor from the trusted Siemens SIRIUS industrial control product line. Engineered for robust AC-3 applications up to 41 A and 22 kW at 400 V, this contactor is ideal for switching motor loads, resistive loads, and general-purpose power circuits in complex industrial environments.
A standout feature is the highly flexible, integrated multi-voltage AC/DC coil (83-155 V), which simplifies inventory and wiring. The coil also includes a built-in varistor for essential surge suppression, protecting control components and extending the contactor’s lifespan. With a compact Size S2 design and reliable screw terminals, the 3RT2536-1NF30 provides an efficient and secure solution for your electrical control systems.
Key Features & Benefit
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High Current Capacity: Handles up to 41 A with AC-3 rating, suitable for motors and industrial equipment.
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Powerful Switching: Supports up to 22 kW at 400 V for heavy-duty applications.
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Integrated Varistor: Provides overvoltage protection for longer lifespan and reliable performance.
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Flexible Contact Configuration: Main contacts (2 NO + 2 NC) and auxiliary contacts (1 NO + 1 NC) for versatile circuit integration.
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Dual Voltage Coil: Operates with 83–155 V AC/DC at 50/60 Hz.
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Durable Design: Screw terminals ensure secure, long-lasting connections.
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Compact Size S2: Saves panel space without compromising performance.
Function & Application
The 3RT2536-1NF30 contactor is ideal for:
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Motor control circuits in industrial automation
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Heavy-duty machinery requiring AC-3 rated switching
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Electrical panels needing compact, reliable, and protected contactors
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Systems with integrated surge protection requirements
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