Siemens 3RT2026-1AK60

Brand: Siemens
Model: 3RT2026-1AK60

Inventory situation: Goods are available in stock.

Product features

The Siemens 3RT2026-1AK60 is a dependable power contactor intended for industrial motor control applications. This 3-pole device, part of the Sirius 3RT2 series, has a rating of 25 amps (AC-3) and 11 kW at 400V, making it excellent for switching motors in manufacturing, water treatment, and ventilation systems. Its compact size (85mm height x 45mm width x 97mm depth) and screw terminal connections make it simple to install on 35mm DIN rails, and the incorporated 1NO+1NC auxiliary contacts simplify wiring and decrease design complexity.

The Siemens 3RT2026-1AK60, with a coil voltage of 110V AC (50Hz) or 120V AC (60Hz), performs well in global markets and meets international standards such as CE, UL, and CSA. The contactor's excellent contact dependability and climate-resistant construction provide consistent functioning even in extreme temperatures (-25°C to 60°C), making it ideal for demanding industrial environments. It also supports IE3/IE4 motors, which comply with energy-saving standards.

This Siemens contactor is part of a modular system that works seamlessly with surge suppressors, overload relays (such as 3RU2126 thermal or 3RB3026 electronic), and IO-Link/AS-i interfaces, decreasing control circuit wiring by up to 50%. Auxiliary switch blocks allow users to increase functionality by enabling applications such as reversing starters and star-delta configurations. Its finger-safe design (EN 50274) and vibration-proof connectors improve safety and longevity.

Specifications

Rated current (AC-3)	25 A
Coil voltage	110 V AC (50 Hz) / 120 V AC (60 Hz)
Poles	3 poles (main contacts) + 1 NO + 1 NC auxiliary contacts
Dimensions	45 mm (W) × 92 mm (H) × 105.5 mm (D)
Weight	0.419 kg
Mechanical life	10,000,000 operating cycles
Main circuit	Screw terminals
Operating frequency	750 cycles per hour under AC-3 duty

Application scenarios

In manufacturing plants, this Siemens contactor is commonly used to control three-phase motors that power devices such as pumps and fans. With a rated current of 25A, it can handle motors of up to 11kW at 400V, which is ideal for keeping large equipment operating smoothly. Whether it's a water pump in a factory's cooling system or a fan in a production hall, the 3RT2026-1AK60 guarantees that the motor starts and stops safely, avoiding unexpected breakdowns.

The Siemens 3RT2026-1AK60 is also commonly used in conveyor belt systems. Conveyors carry products throughout factories and require motors that start and stop often. This contactor can handle up to 750 operations per hour in AC-3 mode, making it suitable for busy conveyor lines. It helps keep the belts moving at the appropriate speed, ensuring that things arrive on schedule.

Machine equipment like lathes and milling machines rely on the 3RT2026-1AK60. These tools require precise control to mold metal or other materials. The contactor works with other components to manage the motor's power, allowing the machine tool to operate accurately. Its robust design, with a mechanical life of up to 10 million cycles, allows it to withstand continuous usage in busy workshops.

FAQ

Q: What is the Siemens 3RT2026-1AK60-0XE0?

A: The Siemens 3RT2026-1AK60-0XE0 is a three-phase contactor intended for motor control in industrial applications. It is part of the SIRIUS 3RT2 series and efficiently converts electrical power to AC motors, with a current rating of 25A (AC-3) and a power capacity of 11kW at 400V. It features a 110V AC coil (50Hz/60Hz) and 1NO + 1NC auxiliary connections for signaling or control logic. This little device (size S0) is designed to fit on a 35mm DIN rail, making it perfect for control panels with limited space.

Q: Can the Siemens 3RT2026-1AK60-0XE0 be used with overload protection?

A: Yes! Pair it with a Siemens 3RU2126 thermal overload relay for motor protection. Adjust the overload setting to match the motor's full-load current (e.g., 9–12.5A for a 5.5kW motor). The relay monitors current and trips the contactor if overheating occurs, preventing motor damage.

Q: What are the alternatives if the Siemens 3RT2026-1AK60-0XE0 is discontinued?

A: The 3RT2026-1AL20 is a direct replacement with identical specs but a 230V AC coil. For higher current needs, consider the 3RT2036-1AJ60 (40A). Always check Siemens' compatibility matrix to ensure proper fit and functionality.

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