Overview
The Siemens 3RT2016-1KB42 is a high-performance power contactor designed for industrial automation and control applications. With a 3-pole configuration and a 9 A AC-3e/AC-3 rating, it efficiently handles loads up to 4 kW at 400 V. This compact S00 frame contactor is optimized for PLC outputs, featuring a 24 V DC coil, integrated suppressor diode, and a single NC auxiliary contact. Its screw terminal connection ensures reliable wiring and easy installation.
Key Benefit
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High Efficiency: Handles loads up to 4 kW at 400 V with minimal power loss.
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Compact Design: S00 frame size allows integration into limited-space control panels.
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PLC Compatible: Optimized for direct connection with PLC outputs.
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Reliable Operation: Integrated suppressor diode prevents coil voltage spikes.
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Easy Installation: Screw terminals provide secure and straightforward wiring.
Functions & Features
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3-pole AC-3e/AC-3 power contactor
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Rated current: 9 A
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Load capacity: 4 kW / 400 V
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Coil voltage: 24 V DC, adjustable 0.7–1.25 * Uc
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Integrated suppressor diode for coil protection
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Auxiliary contacts: 1 NC
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Screw terminal connection
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Frame size: S00
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Suitable for PLC outputs
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No additional auxiliary switch can be added
Application
This power contactor is primarily used for switching 3-phase AC motors and other power loads in various automation and control applications.
- Motor Control: Ideal for Direct On Line (DOL) starting and switching small motors (e.g., pumps, fans, conveyors).
- Resistive Loads: Switching of heating elements and lighting circuits.
- Automation: Integration into automation systems controlled by Programmable Logic Controllers (PLCs).
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