Siemens 3RT2017-2AH01 Power Contactor, 12A, 5.5kW, 48V AC, S00 Original Brand New

Overview

The Siemens 3RT2017-2AH01 power contactor is a high-performance component from the modular SIRIUS 3RT2 system, designed for switching electric motors and other resistive loads. This compact, 3-pole contactor is rated for $12\text{ A}$ (AC-3e/AC-3) and a power rating of $5.5\text{ kW}$ at $400\text{ V}$. Its reliability and efficiency make it an ideal choice for industrial motor control applications.

Featuring modern spring-loaded terminals, this contactor ensures fast, vibration-proof, and maintenance-free wiring, significantly reducing installation time and increasing operational resilience compared to traditional screw terminals.

• Product Type: Power Contactor
• Series: SIRIUS 3RT2
• Size: S00 (Compact Design)
• Main Poles: 3-pole
• Operating Current (AC-3/400V): $12\text{ A}$
• Power Rating (AC-3/400V): $5.5\text{ kW}$
• Coil Voltage: $48\text{ V AC},50/60\text{ Hz}$
• Auxiliary Contacts: $1\text{ NO}$ (Normally Open)

Technical Specifications & Function

The 3RT2017-2AH01 functions as a primary switching device for connecting and disconnecting loads, particularly 3-phase AC motors.

• Standard Compliance: IEC 60947, UL/CSA Approved (Global Use)
• Rated Insulation Voltage (Ui​): $690\text{ V}$ (Main Circuit)
• Rated Impulse Voltage (Uimp​): $6\text{ kV}$
• Operational Current (AC-1/400V/40°C): $22\text{ A}$
• Operational Current (AC-4/400V): $8.5\text{ A}$
• Coil Type: AC Actuation
• Terminal Type (Main & Auxiliary): Spring-loaded/Spring-type terminal
• Operating Temperature: −25∘C to +60∘C
• Mounting: DIN rail/Surface mounting
• Product Origin: Germany

Application

This Siemens power contactor is typically used in industrial automation and control systems for:

1. Direct-On-Line (DOL) Starting: Switching and control of 3-phase asynchronous motors up to $5.5\text{ kW}$.
2. Resistive Loads: Switching heating elements, lighting systems, and other non-motor loads (up to $22\text{ A}$ at $400\text{ V}$ AC-1).
3. Integration into Load Feeders: Used in conjunction with SIRIUS 3RV2 motor starter protectors and overload relays.

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