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Siemens 110V dc Coil 4-Pole 10 A Contactor Relay 4 NO 690V ac 3RH2140-1BF40
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 57.5mm |
| Model | 3RH2140-1BF40 |
| Depth | 73mm |
| Width | 45mm |
| Mount Type | Screw, Snap-On |
| Series | 3RH2 |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Number of Poles | 4 |
| Contact Voltage | 690V ac |
| Coil Voltage | 110V dc |
| Normal State Configuration | 4 NO |
| Contact Current | 10A |
| Number of Auxiliary Contacts | 4 |
| Operational Current Ie | 10A |
| Control Circuit Voltage Uc | 110V dc |
| Pole and Throw Configuration | 4 NO |
Key Features
- Equipped with a 110V dc coil for reliable operation.
- Features four poles with a contact current rating of 10 A.
- Operates at a contact voltage of 690V ac ensuring high-voltage compatibility.
- Includes 4 normally open (NO) contacts for flexible control circuit design.
- Compact dimensions with 73mm depth, 57.5mm length, and 45mm width for space-efficient mounting.
- Snap-on screw mount for robust installation and easy wiring with screw terminal type.
- Wide operating temperature range from -25°C to 60°C for harsh environments.
- Certified to standards IEC 81346-2, IEC 60947 series, UL, CE, CSA, EAC among others for assured quality.
Product Description
Siemens 3RH2140-1BF40 is a high-quality contactor relay designed for industrial, automation, and control gear applications. Featuring a 110V dc coil voltage and a 4-pole design, this relay is capable of handling contact currents up to 10 A at 690V ac, making it suitable for a wide range of electrical switching tasks.
The relay measures 73mm in depth, 57.5mm in length, and 45mm in width, offering a compact form factor that facilitates easy integration into control panels without consuming excess space. It supports screw and snap-on mounting methods, providing secure and stable installation options. Connections are made via screw terminals ensuring reliable electrical connectivity.
Operating reliably across a temperature range of -25°C to 60°C, this Siemens contactor relay is designed to function in various environmental conditions, including industrial and manufacturing settings. It conforms to multiple international standards such as IEC 60947-1, IEC 60947-4-1, IEC 60947-5-1, UL, CE, CSA, and more, guaranteeing compliance and safety.
The device features 4 normally open (NO) contacts which can be expanded with snap-on auxiliary switch blocks for added flexibility in complex control circuits. The high degree of contact stability at low voltages and currents enables integration with solid-state circuits operating with currents ≥ 1 mA at voltages ≥ 17 V.
Manufactured in Germany, this contactor relay is engineered to strict quality controls ensuring durability, performance, and reliability suited for a variety of industrial applications including automation, electrical control systems, and HVAC control.
Equipped with 110V dc coil for stable control operation. Supports a maximum contact current of 10 A at 690V ac. Four pole relay providing multiple switching points. Screw and snap-on mounting options for versatile installation.
Operates within a temperature range of -25°C to 60°C. Certified by IEC, UL, CE, CSA, EAC, and other relevant standards. Compact dimensions suitable for panel mounting. Expandable via snap-on auxiliary contacts for custom configurations.
Ideal for industrial automation, electrical controls, and manufacturing environments. Made in Germany ensuring outstanding quality and reliability. Explore more Siemens Contactor Relays and automation solutions at EnvMart, your trusted industrial partner.
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Frequently Asked Questions
The coil voltage of this contactor relay is 110V dc.
This model has a maximum contact current rating of 10 A.
The contact voltage for this relay is 690V ac.
This relay features a 4-pole design.
It operates within a temperature range of -25°C to 60°C.
This unit supports screw and snap-on mounting options.
The dimensions are 57.5mm in length, 45mm in width, and 73mm in depth.
It uses screw terminals for reliable electrical connectivity.
The normal state configuration consists of 4 normally open (NO) contacts.
Yes, it can be expanded with snap-on auxiliary switch blocks for added flexibility.
It is certified to IEC, UL, CE, CSA, and EAC standards, among others.
This contactor relay is manufactured in Germany.
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