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Siemens 3RH1140-1AF00 4 NO Contactor Relay

Siemens 3RH1140-1AF00 Contactor Relay, 4 NO, 110V AC

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ManufacturerSiemens

Part number3RH1140-1AF00

Contact Configuration 4 NO

Coil Voltage 110V AC

Frequency 50/60 Hz

Terminal Type Screw terminal

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4 NO auxiliary contacts 110V AC coil Screw terminals Size S00 SIRIUS 3RH11 series

Product description

The Siemens 3RH1140-1AF00 is a contactor relay from the SIRIUS 3RH11 series, offering 4 normally open (NO) auxiliary contacts. It operates with a 110V AC coil voltage at 50/60 Hz and features screw terminals for dependable electrical connections. This Size S00 relay is designed for consistent performance in industrial control applications.

This relay is well-suited for use in motor control circuits, automation systems, and control panels requiring multiple NO contacts for signaling or interlocking functions. The 110V AC coil voltage is common in many industrial settings, making it a versatile component.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, provides the Siemens 3RH1140-1AF00. We focus on offering quality surplus components to help you manage MRO costs effectively and ensure operational continuity.

Technical specifications

Contact Configuration	4 NO
Coil Voltage	110V AC
Frequency	50/60 Hz
Terminal Type	Screw terminal
Size	S00
Series	SIRIUS 3RH11

Common applications

Motor control

Control circuits

Automation systems

Signaling

Machine building

Industrial control panels

Compatible systems

Compatible with various control systems and automation panels requiring 4 normally open auxiliary contacts with a 110V AC coil.

Also known as

Siemens Contactor Relay 3RH1140-1AF00 SIRIUS 3RH11 3RH1140-1AF00 Siemens 110V AC 4 NO Relay

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens 3RH2140-1AF00.

Technical note

Expert tip

The screw terminal connections on this Size S00 relay provide a secure and robust electrical interface, essential for reliable operation in demanding industrial environments.

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Frequently asked questions

What are the typical applications for the Siemens 3RH1140-1AF00 contactor relay?

The Siemens 3RH1140-1AF00 is commonly used in motor control circuits, automation systems, and control panels. Its four normally open contacts make it suitable for signaling, interlocking, and other auxiliary functions where multiple closed circuits are needed upon coil activation.