Siemens 3RT2016-1CH07 Power Contactor, 9A, 4kW, 48V AC, 3-Pole, S00 Original Brand New

Overview: Siemens SIRIUS 3RT2016-1CH07 Power Contactor

The Siemens 3RT2016-1CH07 is a high-performance, compact 3-pole power contactor from the SIRIUS 3RT2 series, designed for switching motors and other resistive loads up to 4 kW at 400 V (AC-3e/AC-3 utilization category).

This robust contactor features a low-power 48 V AC, 50/60 Hz operating coil with an integrated varistor for effective coil surge suppression, enhancing system reliability. It comes equipped with a comprehensive auxiliary contact configuration of 3 Normally Open (NO) and 2 Normally Closed (NC) contacts, which are easily removable for flexible application and maintenance. The device utilizes reliable screw terminals for secure wiring and adheres to the standardized compact Size S00 footprint.

Benefit

• Optimized Performance (IE3/IE4-Ready): Certified for AC-3e/AC-3, making it suitable for modern, highly efficient IE3/IE4 motors.
• Space-Saving Design: The compact S00 size allows for high packing density in control panels and cabinets.
• High Reliability: The integrated varistor provides superior coil protection against transient voltage spikes, prolonging the contactor’s lifespan and reducing system downtime.
• Flexible Integration: The removable auxiliary switch block provides ease of customization and maintenance.
• Global Compliance: Approved for worldwide use (IEC, UL/CSA ready).

Function

The 3RT2016-1CH07 Power Contactor is primarily used in industrial control systems to remotely and automatically switch the main power circuits of electric motors, heating elements, lighting systems, and other loads.

1. Motor Switching: Controls the ON/OFF state of a 3-phase motor up to 4 kW, especially where reliable switching of high inrush currents is required.
2. Control Circuit Integration: The 3 NO and 2 NC auxiliary contacts are used to transmit the contactor’s operational status back to the PLC or control system, or for interlocking and sequencing other control components.
3. Surge Protection: The built-in varistor protects the 48 V AC control coil from damaging voltage peaks during switching, crucial for long-term coil integrity.

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