Siemens 3RT2526-1AP60 Power Contactor 25A, 11kW, 4-Pole, AC-3, Screw Terminal, S0 Size Original Brand New

Overview

The Siemens 3RT2526-1AP60 is a high-performance SIRIUS 3RT2 series power contactor designed for switching resistive, inductive, and capacitive loads in demanding industrial applications. This robust 4-pole contactor is perfectly suited for controlling motors up to 11 kW at 400 V (AC-3 duty). It features a reliable 220 V AC (50 Hz) / 240 V AC (60 Hz) coil and a standard Size S0 frame for compact integration. With its versatile contact configuration and secure screw terminal connection method, the 3RT2526-1AP60 ensures safe, efficient, and durable operation in diverse control systems.

Specifications & Features

• Product Type: Power Contactor (SIRIUS 3RT2)

• Siemens Part Number: 3RT2526-1AP60

• Operating Current (AC-3): 25 Amps

• Motor Power (400V): 11 kW

• Number of Poles: 4-pole

• Operating Voltage of Coil: 220 V AC (50 Hz) / 240 V AC (60 Hz)

• Main Contact Configuration: 2 NO (Normally Open) + 2 NC (Normally Closed)

• Auxiliary Contact Configuration: 1 NO (Normally Open) + 1 NC (Normally Closed)

• Connection Type: Screw Terminals

• Contactor Size: S0

• Suitable for: Switching 4-pole loads, including heaters and mixed AC-3/AC-4 applications.

Benefit

• Versatile Load Control: The 4-pole design allows for specialized control applications beyond standard 3-phase motors, such as switching star-delta combinations or controlling complex 4-wire systems.

• High Reliability & Durability: As part of the Siemens SIRIUS 3RT2 family, this contactor offers a high mechanical and electrical lifespan, minimizing maintenance and downtime.

• Integrated Signaling: The built-in $1 \text{ NO} + 1 \text{ NC}$ auxiliary contacts provide essential feedback for interlocking circuits and control system diagnostics without needing an external block.

• Secure Connection: The screw terminal design ensures a strong, vibration-proof connection, critical for high-current power circuits.

• Space-Saving Design: The Size S0 frame offers a compact footprint, optimizing space utilization within control cabinets and electrical panels.

Application/Function

The Siemens 3RT2526-1AP60 contactor is primarily used for:

1. Switching 4-Pole Loads: Controlling resistive loads (e.g., heating elements), medium-sized motors (11kW), and transformers where four separate lines need simultaneous switching.

2. Motor Control: Ideal for forward/reverse starter combinations, particularly for specialized 4-wire motor applications.

3. General Power Switching: Suitable for controlling power circuits in HVAC systems, lighting installations, and material handling equipment.

4. Integration: Designed for seamless integration into the modular SIRIUS system, allowing for easy assembly with overload relays and accessories.

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