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Siemens 3RH1140-1AV00 SIRIUS Contactor Relay - 400V AC

Siemens 3RH1140-1AV00 SIRIUS Contactor Relay with 4 NO contacts.

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ManufacturerSiemens

Part number3RH1140-1AV00

Coil Voltage 400V AC

Frequency 50/60 Hz

Contact Configuration 4 NO

Terminal Type Screw

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Veteran-owned

CAGE: 9NK75

4 NO Contacts 400V AC Coil Screw Terminals Size S00 Manual Switching Possible SIRIUS Series

Product description

The Siemens 3RH1140-1AV00 is a robust 4-pole contactor relay from the SIRIUS series, designed for AC control circuits. It features four normally open (NO) contacts and is equipped with a coil rated for 400V AC at 50/60 Hz. This model utilizes screw terminals for secure wire connections and is built on the compact S00 frame size.

This relay is suitable for a variety of industrial applications, including motor control, lighting control, and general switching operations within manufacturing plants, commercial buildings, and power distribution systems. The four NO contacts offer flexibility for complex control logic and multi-circuit applications.

Stanlo Automation, a trusted veteran-owned distributor, offers the Siemens 3RH1140-1AV00 and a wide range of industrial surplus parts. Rely on us for quality, availability, and competitive pricing to support your automation needs.

Technical specifications

Coil Voltage	400V AC
Frequency	50/60 Hz
Contact Configuration	4 NO
Terminal Type	Screw
Size	S00
Insulation Voltage	690V
Switching Power	1.2 kW

Common applications

Motor Control

Lighting Control

Automation Panels

Industrial Machinery

Power Distribution

Compatible systems

Industrial control systems Lighting control panels Automation equipment

Also known as

Siemens SIRIUS 3RH1140-1AV00 4-Pole Contactor Relay AC Control Relay

Replaces / compatible with

This is a phased-out product. The preferred successor type is 3RH2140-1AV00.

Technical note

Expert tip

This relay can be manually switched on and released, and its auxiliary contacts can be extended up to 4 poles with additional switch blocks.

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Frequently asked questions

What are the contact and coil specifications for the Siemens 3RH1140-1AV00?

The Siemens 3RH1140-1AV00 is a contactor relay featuring four normally open (NO) contacts and a 400V AC coil operating at 50/60 Hz. It uses screw terminals and is designed in the S00 frame size.