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Marvo Part ID: MV-27WW

£23.84 (ex. VAT)


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Specification Description
Part Number 3RV2901-2E
Alternative Part Number 3RV29012E
Manufacturer Siemens
Voltage Rating 230 V ac, 60 V dc
Contact Configuration 1NO/1NC
Mounting Type Plug-In
Width 45 mm
Height 13 mm
Depth 17 mm
Electrical Connection Type Spring-loaded terminals
Connectable Conductor Solid: 2x (0.5 ... 2.5 mm²), Finely stranded with core end processing: 2x (0.5 ... 1.5 mm²)
AWG Conductors 2x (20 ... 14) for auxiliary contacts
Certificates/Approvals CE, UL, CSA, CCC
Maximum Current Rating 10 A
AC-15 Rating At 24 V: 2 A, At 230 V: 0.5 A
DC-13 Rating At 24 V: 1 A, At 48 V: 0.3 A, At 60 V: 0.15 A
Type of Mounting Plug-in fixing

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3RV2901-2E Product Description

The Siemens 3RV2901-2E is a meticulously engineered auxiliary switch designed to offer reliable and efficient performance for industrial control applications. This transverse auxiliary switch is compatible with Siemens circuit breakers sizes S00, S0, S2, and S3, ensuring a broad range of usability across various systems. It features a spring-loaded terminal connection that simplifies installation and maintenance, providing a secure and durable electrical connection.

With a compact design, the switch measures 45mm in width, 13mm in height, and 17mm in depth, making it an ideal choice for space-constrained environments. The 3RV2901-2E operates with an IP20 protection class on the front, signifying a basic level of protection against solid objects. It is designed to withstand ambient operating temperatures ranging from -20°C to +60°C and storage temperatures from -50°C to +80°C, ensuring consistent performance in diverse working conditions.

The auxiliary switch features one normally closed (NC) and one normally open (NO) contact for instantaneous switching, providing flexibility in circuit control. It is capable of handling operating currents of up to 2.5A at 24V and 230V in AC-12 applications, with a maximum current rating of 10A. For DC-13 applications, it can manage 1A at 24V, 0.3A at 48V, and 0.15A at 60V.

This product is certified with CE, UL, CSA, and CCC approvals, reflecting its compliance with international standards and its suitability for global use. The Siemens 3RV2901-2E auxiliary switch is a robust and versatile component, essential for enhancing the operational efficiency and reliability of industrial control systems.

Frequently Asked Questions

What is the function of this auxiliary switch?

The Siemens Auxiliary Switch is designed to provide additional switching capabilities to a circuit breaker. It is used to signal the status of the circuit breaker, allowing for remote indication or control functions such as turning on a light or activating an alarm.

Can this auxiliary switch be used with any size of circuit breaker?

This auxiliary switch is compatible with circuit breakers of sizes S00, S0, S2, and S3. It is important to match the switch with the appropriate size for proper operation.

What type of terminals does this auxiliary switch have?

The auxiliary switch comes with spring-loaded terminals, which are designed for quick and secure connections without the need for additional tools.

What is the protection class of this auxiliary switch?

The protection class for the front of the auxiliary switch is IP20, indicating that it is protected against solid objects larger than 12.5 mm but not against water.

What are the ambient temperature limits for operating this auxiliary switch?

The auxiliary switch can operate within an ambient temperature range of -20°C to +60°C and can be stored in temperatures ranging from -50°C to +80°C.

How many contacts does the auxiliary switch have?

The auxiliary switch has one normally closed (NC) contact and one normally open (NO) contact for instantaneous switching actions.

What is the maximum operating current for this auxiliary switch?

The maximum operating current for the auxiliary contacts is 10 A. However, this value may vary depending on the specific use case, such as AC-15 or DC-13 applications.

How is the auxiliary switch mounted?

The auxiliary switch is designed for plug-in fixing, which allows for easy installation and removal from the circuit breaker.

What certifications does this auxiliary switch hold?

The auxiliary switch holds several certifications, including CE, UL, CSA, and CCC, ensuring compliance with various international standards.

What is the size of this auxiliary switch?

The dimensions of the auxiliary switch are 45 mm in width, 13 mm in height, and 17 mm in depth, making it compact and suitable for various applications.