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Siemens 3RH2140-1AF00 4 NO Contactor Relay - 110V AC

Siemens 3RH2140-1AF00 Contactor Relay with 4 NO contacts.

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ManufacturerSiemens

Part number3RH2140-1AF00

Type Contactor Relay

Contacts 4 NO

Coil Voltage 110V AC

Frequency 50/60 Hz

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12-month warranty

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Same-day dispatch

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Veteran-owned

CAGE: 9NK75

4 normally open contacts 110V AC coil Screw terminals Frame size S00 SIRIUS quality

Product description

The Siemens 3RH2140-1AF00 is a 4 NO contactor relay engineered for reliable operation with a 110V AC coil. It features screw terminals for straightforward wiring and is housed within the compact S00 frame size. This relay is part of Siemens' trusted SIRIUS line, ensuring quality and performance.

This relay is well-suited for various industrial control applications, including motor control, lighting circuits, and auxiliary functions within control panels. The four normally open contacts allow for simultaneous switching of multiple circuits.

Stanlo Automation, a veteran-owned business, is your source for surplus industrial automation parts like the Siemens 3RH2140-1AF00. We provide dependable access to quality components to keep your systems operational.

Technical specifications

Type	Contactor Relay
Contacts	4 NO
Coil Voltage	110V AC
Frequency	50/60 Hz
Terminals	Screw
Frame Size	S00

Common applications

Industrial control

Motor starting

Lighting circuits

Automation panels

Auxiliary switching

Compatible systems

Standard control panels 110V AC control circuits Automation systems

Also known as

Siemens 3RH2140-1AF00 SIRIUS Contactor Relay

Replaces / compatible with

Can replace existing Siemens contactor relays with 110V AC coils and 4 NO contacts, or be used in new installations.

Technical note

Expert tip

The 110V AC coil of the 3RH2140-1AF00 is suitable for standard industrial power distribution voltages in many regions.

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Frequently asked questions

What are the main uses for a Siemens 3RH2140-1AF00 110V AC contactor relay?

The Siemens 3RH2140-1AF00 is commonly used in industrial control panels to switch multiple circuits simultaneously when a 110V AC signal is applied to the coil. This includes controlling motor contactors, lighting systems, or providing auxiliary contacts in complex control logic.