Siemens 3RH2 Contactor Relay, 125 V dc Coil, 3 A 690 V, 4 NO, 690V

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PHP8,211.68

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PHP9,197.08

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RS Stock No.:
216-2830
Mfr. Part No.:
3RH2140-1BG40
Manufacturer:
Siemens
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Brand

Siemens

Product Type

Contactor Relay

Coil Voltage

125 V dc

Contact Voltage

690V

Contact Current

3A

Series

3RH2

Mount Type

DIN Rail

Normal State Configuration

4 NO

Auxiliary Contact Configuration

4 NO

Number of Auxiliary Contacts

4

Terminal Type

Screw

Minimum Operating Temperature

-25°C

Operational Current Ie

3A

Control Circuit Voltage Uc

690 V

Maximum Operating Temperature

60°C

Length

57.5mm

Standards/Approvals

IEC 60529, CCC, CE, CSA, EAC, IEC 60068-2-30, IEC 60947-5-1, IEC 61508, IEC 81346-2, UL

Width

45 mm

Depth

73mm

Pole and Throw Configuration

4 NO

COO (Country of Origin):
DE

Siemens 3RH2 Series Contactor Relay, 125V DC Coil Voltage, 3A Current Rating - 3RH2140-1BG40


This contactor relay is designed for efficient automation applications, featuring a robust 4NO contact configuration. With a compact design measuring 57.5mm in length, 45mm in width, and 73mm in depth, it offers significant versatility and ease of installation on DIN rail systems. Operating at a coil voltage of 125V DC and an AC contact voltage rating of 690V, this device provides reliable performance across various industrial settings.

Features & Benefits


• Supports a maximum contact current rating of 3A for robust usage

• Mechanical life extends up to 30 million operating cycles for longevity

• Delivers a high insulation voltage of 690V for safety standards

• Auxiliary contact relay included for expanded functionality

• Shock resistance ratings ensure durability in demanding environments

• Designed for efficient heat dissipation with a power loss of only 4W

Applications


• Utilised in industrial automation systems for motor control

• Effective in power distribution for switching operations

• Suitable for controlling ancillary equipment in machinery

• Ideal for complex control systems requiring reliable relay activation

What is the range of ambient temperatures this device can operate in?


This contactor relay functions efficiently within an ambient temperature range of -25°C to +60°C, making it suitable for various operating environments.

How does the relay enhance safety in electrical systems?


With a high insulation voltage rating and several operational current ratings, it effectively manages electrical loads while reducing the risk of short circuits.

What type of mounting options are available for installation?


The relay can be easily mounted on standard 35mm DIN rails, enabling straightforward integration into existing electrical panels or enclosures.

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