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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH2131-2BB40 |
| Alternative Part Number | 3RH21312BB40 |
| Manufacturer | Siemens |
| Product Type | Contactor Relay |
| Contact Configuration | 3 Normally Open (NO) / 1 Normally Closed (NC) |
| Rated Current | 10 A |
| Coil Voltage | 24 V dc |
| Width | 45 mm |
| Height | 70 mm |
| Depth | 73 mm |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail |
| Terminal Type | Spring-loaded terminals |
| Insulation Voltage | Rated at 690 V with degree of pollution 3 |
| Ambient Operating Temperature | -25 … +60 °C during operation |
| Storage Temperature | -55 … +80 °C during storage |
| Protection Class | IP20 on the front, finger-safe |
| Shock Resistance | 10g / 5 ms, 5g / 10 ms at DC (rectangular impulse), 15g / 5 ms, 8g / 10 ms at DC (sine pulse) |
| Impulse Voltage Resistance | Rated value 6 kV |
| Mechanical Operating Cycles | As operating time |
| UL/CSA Ratings | Contact rating designation for auxiliary contacts according to UL: A600 / Q600 |
The Siemens 3RH2131-2BB40 is a high-quality contactor relay designed to facilitate efficient and reliable switching in a variety of industrial applications. This compact and robust component is part of the SIRIUS product family, renowned for its innovation and versatility in automation and control tasks.
Crafted for durability, the 3RH2131-2BB40 features a size S00 footprint, making it suitable for space-conscious installations. It comes equipped with 3 normally open (NO) and 1 normally closed (NC) contacts, providing the flexibility needed for complex circuit configurations. With a rated operational current of 10 A, this contactor relay can handle moderate loads with ease.
The device operates with a control supply voltage of DC 24V and includes spring-loaded terminals for a secure and maintenance-free electrical connection. The contactor relay is designed with a finger-safe protection class of IP20, ensuring additional safety during operation and handling.
The 3RH2131-2BB40 is engineered to withstand challenging industrial environments, with an insulation voltage rated at 690V and the capability to function optimally at installation altitudes of up to 2000 metres above sea level. It also boasts impressive mechanical endurance, with a typical mechanical service life of 30 million operating cycles, signifying its reliability and longevity.
This contactor relay is not only built to last but also to ensure consistent performance, with a shock resistance that meets stringent industry standards for both rectangular and sine pulse tests. Its auxiliary circuit contact reliability is exceptional, with a very low chance of faulty switching, making it a dependable choice for critical applications.
Overall, the Siemens 3RH2131-2BB40 contactor relay is a testament to Siemens' commitment to quality and performance, offering a reliable solution for controlling electrical circuits in industrial settings. Whether used in control panels, motor control centres, or other automation systems, this component is designed to deliver consistent and safe operation, contributing to the efficiency and effectiveness of your electrical control systems.
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Frequently Asked Questions
What is the contact configuration for this contactor relay?
The contactor relay has a contact configuration of 3 normally open (NO) contacts and 1 normally closed (NC) contact.
Can this contactor relay be used with a DC control supply voltage?
Yes, this contactor relay is designed to operate with a DC control supply voltage of 24V.
What is the size of this contactor relay?
The contactor relay is of size S00, which is a compact size suitable for various applications.
What type of terminals does this contactor relay have?
This contactor relay is equipped with spring-loaded terminals for secure and reliable connections.
What is the insulation voltage rating for this contactor relay?
The insulation voltage rating for this contactor relay, with a degree of pollution 3, is 690V.
What is the IP protection class of this contactor relay?
The contactor relay has an IP protection class of IP20 on the front.
What is the mechanical service life of this contactor relay?
The mechanical service life of the contactor relay is typically 30 million operating cycles.
Can this contactor relay be mounted on a DIN rail?
Yes, it can be mounted on a 35 mm standard mounting rail with both screw and snap-on mounting options.
What are the ambient temperature limits for operating this contactor relay?
The contactor relay can operate within an ambient temperature range of -25°C to +60°C.
Is this contactor relay finger-safe?
Yes, the design of this contactor relay is finger-safe, providing protection against electrical shock.
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