Siemens 3RT2045-3AP00 Power Contactor 80A, AC-3, 37 kW, 3-Pole, 230V AC Coil, S3 Size Original Brand New

Overview

The Siemens 3RT2045-3AP00 Power Contactor is engineered for reliable and efficient motor switching in demanding industrial environments. Designed for AC-3e and AC-3 applications up to 80 A and 37 kW at 400 V, this 3-pole contactor ensures high performance and durability in motor control centers, automation systems, and electrical distribution panels. Featuring a 230 V AC, 50 Hz coil, robust screw terminals for the main circuit, and spring-loaded terminals for control wiring, it guarantees fast installation and dependable operation.

Key Benefit

High Switching Performance

Rated for AC-3e/AC-3 duty, supporting frequent switching of motors with stable electrical endurance.

Reliable Operation

Engineered with Siemens’ advanced contactor technology for long service life and consistent switching reliability.

Easy Installation

Includes screw terminals for the main circuit and spring-loaded terminals for control wiring, ensuring secure and time-saving setup.

Compact S3 Size

Ideal for space-constrained control panels while maintaining full power capability.

Integrated Auxiliary Contacts

Comes with 1 NO + 1 NC auxiliary contacts for simplified signaling and monitoring.

Function

• Motor switching and control in industrial AC-3e/AC-3 applications

• Reliable switching of resistive and inductive loads

• Auxiliary signaling and feedback for automation and safety circuits

• Integration in motor starters, MCCs, and control cabinets

Technical Specification

• Product Type: Power Contactor

• Model: Siemens 3RT2045-3AP00

• Current Rating: 80 A

• Power Rating: 37 kW (at 400 V)

• Poles: 3-Pole

• Coil Voltage: 230 V AC, 50 Hz

• Duty Category: AC-3e / AC-3

• Auxiliary Contacts: 1 NO + 1 NC

• Main Circuit Terminals: Screw terminal

• Control & Auxiliary Circuit Terminals: Spring-loaded terminal

• Size: S3

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