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Siemens 3RH1140-1AB00 4 NO Contactor Relay

Siemens 3RH1140-1AB00 Contactor Relay, 4 NO, 24V AC

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ManufacturerSiemens

Part number3RH1140-1AB00

Contact Configuration 4 NO

Coil Voltage 24V AC

Frequency 50/60 Hz

Terminal Type Screw terminal

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4 NO auxiliary contacts 24V AC coil Screw terminals Size S00 SIRIUS 3RH11 series

Product description

The Siemens 3RH1140-1AB00 is a contactor relay from the SIRIUS 3RH11 series, featuring 4 normally open (NO) auxiliary contacts. It is designed with a 24V AC coil voltage for 50/60 Hz operation and utilizes screw terminals for robust and secure connections. This Size S00 relay provides reliable switching capabilities for various industrial applications.

This 4 NO contactor relay is ideal for use in control circuits, signaling, and auxiliary functions within automation systems, motor control centers, and machine building. Its AC coil and screw terminals make it a versatile choice for standard industrial control panel construction.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3RH1140-1AB00 at competitive prices. We ensure the availability of quality surplus industrial parts to support your maintenance and operational needs.

Technical specifications

Contact Configuration	4 NO
Coil Voltage	24V AC
Frequency	50/60 Hz
Terminal Type	Screw terminal
Size	S00
Series	SIRIUS 3RH11

Common applications

Control circuits

Signaling

Automation systems

Motor control centers

Machine building

Auxiliary functions

Compatible systems

Compatible with various control systems and automation panels requiring 4 normally open auxiliary contacts.

Also known as

Siemens Contactor Relay 3RH1140-1AB00 SIRIUS 3RH11 3RH1140-1AB00 Siemens 24V AC 4 NO Relay

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens 3RH2140-1AB00.

Technical note

Expert tip

The screw terminals on this Size S00 relay ensure a secure and reliable connection, suitable for applications with higher current loads or where vibration is a concern.

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Frequently asked questions

What is the contact configuration of the Siemens 3RH1140-1AB00 contactor relay?

The Siemens 3RH1140-1AB00 contactor relay features a configuration of 4 normally open (NO) auxiliary contacts. This means it is used to make electrical connections when the coil is energized, ideal for control and signaling purposes.