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Siemens 3RT1025 1A SIRIUS 3-Pole Power Contactor

Name: Siemens 3RT1025 1A
Brand: Siemens
SKU: 3RT1025 1A
Availability: InStock

Siemens 3RT1025 1A SIRIUS 3-pole power contactor.

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ManufacturerSiemens

Part number3RT1025 1A

Type Power Contactor

Manufacturer Siemens

Series SIRIUS 3RT1

Poles 3

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3-pole configuration AC-3 rated 17A 10 HP @ 460V Size S0 Screw terminals SIRIUS reliability

Product description

The Siemens 3RT1025-1A is a 3-pole power contactor from the SIRIUS series, designed for robust motor control and power switching applications. This specific model is rated for AC-3 17A and 10 HP at 460V (3-phase), and features a Size S0 frame with screw terminals. It is compatible with various AC coil voltages.

This contactor is suitable for applications requiring reliable switching of medium to heavy loads in manufacturing, automation, and power distribution. Its design allows for direct mounting of compatible overload relays for comprehensive motor protection.

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Technical specifications

Type	Power Contactor
Manufacturer	Siemens
Series	SIRIUS 3RT1
Poles	3
Current Rating (AC-3)	17 A
HP Rating (460V)	10 HP
Size	S0
Termination	Screw terminal
Coil Voltage	Various AC

Common applications

Motor control

Industrial automation

Control panels

Machine building

Power distribution

Compatible systems

Control systems requiring Siemens SIRIUS Size S0 contactors with screw terminals

Also known as

Siemens 3RT1025-1A Contactor SIRIUS 3RT1025-1A Siemens 17A Contactor

Replaces / compatible with

This product is a phased-out item. The preferred successor is the Siemens SIRIUS 3RT2025-1A.

Technical note

Expert tip

The 3RT1025-1A can be directly mounted with Siemens 3RU1126 thermal or 3RB2026 solid-state overload relays for a complete motor starter.

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Frequently asked questions

What is the HP rating for the Siemens 3RT1025-1A contactor?

The Siemens 3RT1025-1A contactor is rated for 5 HP at 230V and 10 HP at 460V for three-phase applications. It also handles 17A under AC-3 utilization category.