Siemens 3RT2036-3AB00 Power Contactor S2, 51A, 24V AC Spring-Loaded Original Brand New

Overview

The Siemens 3RT2036-3AB00 Power Contactor from the SIRIUS 3RT2 series is a robust, 3-pole switching device engineered for reliable motor control and switching non-inductive loads up to 51 Amperes (AC-3e/AC-3). Rated for a maximum power of 22 kW at 400 V, this high-performance contactor is part of the modular SIRIUS system, ensuring seamless integration and compatibility with a wide range of accessories.

Key Specification

• Product Number: 3RT2036-3AB00
• Contactor Type: Power Contactor (AC-3e/AC-3)
• Rated Operational Current (AC-3e/AC-3): 51 A
• Rated Operational Power: 22 kW / 400 V
• Poles: 3-pole
• Control Supply Voltage (Coil): 24 V AC, 50 Hz
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC) integrated
• Main Circuit Connection: Screw Terminal
• Control & Auxiliary Circuit Connection: Spring-Loaded Terminal
• Size: S2 (Standardization for consistent mounting and accessory fitting)
• Product Family: SIRIUS 3RT Contactors

Benefit

• Optimized Performance: Meets the latest IEC/EN 60947-4-1 standards (AC-3e/AC-3), ensuring reliable and efficient switching of standard and high-efficiency motors.
• Flexible Connection: Features screw terminals for the main power circuit for robust connection and time-saving, vibration-proof spring-loaded terminals for control and auxiliary wiring, simplifying installation and maintenance.
• Space-Saving Design: The compact Size S2 design allows for high-density panel mounting, saving valuable space in control cabinets.
• Enhanced Reliability: The integrated auxiliary contacts (1 NO + 1 NC) provide immediate status feedback and enable interlocking functions without requiring additional mounting blocks.
• System Compatibility: Being part of the Siemens SIRIUS modular system, it offers full integration and easy expansion with a comprehensive range of SIRIUS accessories.

Function

The Siemens 3RT2036-3AB00 serves as the primary switching element in motor starters, load feeders, and automation panels. It uses a 24 V AC control voltage to energize its coil, which in turn closes the three main power contacts, allowing current to flow to the motor or load.

The integrated auxiliary contacts switch status concurrently, providing signals for the control system (e.g., PLC inputs) to confirm the contactor’s open or closed state. The blend of screw and spring-loaded terminals provides versatility for both high-power connections and rapid, secure control wiring.

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