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Siemens 3RH2140-1JB40

Name: 3RH2140-1JB40
Brand: Siemens
SKU: 3RH2140-1JB40
Price: 50.33 GBP
Availability: InStock

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£50.33 (ex. VAT)

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Marvo Stock ID MV-7CCH

HS Code 853650

SKU 3RH2140-1JB40

Condition Used

Warranty 12 months

Weight (kg) 1.00

Length (mm) 450.00

Width (mm) 330.00

Height (mm) 270.00

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Specification & Description

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Specification & Description

Specification	Description
Part Number	3RH2140-1JB40
Alternative Part Number	3RH21401JB40
Manufacturer	Siemens
Product Type	Coupling contactor relay
Contact Configuration	4 Normally Open (NO) contacts
Control Supply Voltage	24 V DC
Operating Range Factor	0.7 ... 1.25 times the rated value of magnet coil at DC
Integrated Suppression	With integrated diode
Size	S00
Terminal Type	Screw terminal suitable for PLC outputs
Insulation Voltage	Rated at 690 V AC with degree of pollution 3
Surge Voltage Resistance	Rated value 6 kV
Shock Resistance	At DC: 10g / 5 ms, 5g / 10 ms (rectangular impulse); 15g / 5 ms, 8g / 10 ms (sine pulse)
Mechanical Service Life	Typical 30 million operating cycles
Ambient Operating Temperature	-25 ... +60 °C during operation; -55 ... +80 °C during storage
No-load Switching Frequency	10,000 operations per hour at AC and DC
Auxiliary Contacts	4 instantaneous contacts
Operational Current at AC-15	10 A at 230 V; 3 A at 400 V; 2 A at 500 V; 1 A at 690 V
Operational Current at DC-12	10 A at 24 V; 3 A at 110 V; 1 A at 220 V
Mounting Position	+/-180° rotation possible on vertical mounting surface; can be tilted +/- 22.5°
Mounting Type	Screw and snap-on mounting onto 35 mm DIN rail
Dimensions (H x W x D)	57.5 mm x 45 mm x 73 mm
Required Spacing	10 mm forwards, upwards, downwards; 0 mm at the side for side-by-side mounting
Electrical Connection	Screw-type terminals for auxiliary and control current circuit
Conductor Cross-sections	For auxiliary contacts: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
Safety Related Data	Positively driven operation according to IEC 60947-5-1; B10 value: 1,000,000 with 0.3 x Ie
Protection Class	IP20 on the front according to IEC 60529
Certificates/Approvals	General Product Approval, EMC, KC

The Siemens 3RH2140-1JB40 is a coupling contactor relay designed to facilitate the switching of auxiliary circuits. This component is part of the SIRIUS product family, renowned for its reliability and versatility in various industrial applications. With a compact size S00 footprint, it is particularly suitable for integration into space-constrained environments.

This relay features four normally open (NO) contacts, making it ideal for operations that require multiple simultaneous connections. It operates with a control supply voltage of 24 V DC within an operating range factor of 0.7 to 1.25 times the rated value of the magnet coil at DC, ensuring stable performance even under fluctuating power conditions. The integrated diode within the unit provides surge suppression, safeguarding the relay from voltage spikes.

Constructed to withstand challenging industrial conditions, the 3RH2140-1JB40 can operate at installation altitudes up to 2000 meters above sea level and within a broad ambient temperature range of -25 to +60 degrees Celsius. Its mechanical service life is rated at an impressive 30 million operating cycles, indicating a long-lasting and durable design.

The relay's auxiliary contacts are rated for operational currents up to 10 A at AC-12 and can handle various operational currents at different voltage levels for both AC and DC applications. This flexibility makes it a suitable choice for a wide array of switching tasks in automation systems.

Installation and maintenance are straightforward, thanks to its screw and snap-on mounting options onto a standard 35 mm DIN rail. The relay's dimensions and required spacing are optimised for easy integration into existing setups without the need for extensive modifications.

Overall, the Siemens 3RH2140-1JB40 coupling contactor relay is a robust and reliable choice for those seeking a high-quality component for their automation and control needs. Its design and construction ensure it can meet the demands of a wide range of industrial applications.

Commonly Asked Questions

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Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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