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Specification & Description
The Siemens 3RP1576-2NQ30 is a multifunctional timing relay that offers precision and reliability for a wide range of industrial applications. This versatile component is designed to facilitate complex timing functions within control systems, making it an essential part of any automated process.
Crafted with a robust build, the 3RP1576-2NQ30 features a spring-type terminal for secure connections and includes both delayed and instantaneous contacts, providing flexibility in circuit design. The timing range of 3 seconds to 60 seconds, coupled with a control supply voltage of 24 V AC/DC and 100-127 V AC at 50/60 Hz AC, allows for adaptability to various operational requirements.
The timing relay is part of the SIRIUS product family, known for its high-quality standards and engineering excellence. With an insulation voltage rated at 300 V and a surge voltage resistance of 4,000 V, it ensures safe operation even in environments with potential electrical disturbances.
The compact design, with a width of just 22.5 mm, makes it an ideal choice for space-constrained installations, while the ability to mount on a 35 mm standard mounting rail provides ease of installation and maintenance.
The 3RP1576-2NQ30 is engineered to withstand challenging industrial conditions, with an operational temperature range of -25°C to +60°C and a mechanical service life of 10 million switching cycles, ensuring long-term reliability and performance.
This timing relay is a phased-out product, and for further information regarding replacements or equivalents, it is recommended to consult with technical specialists who can provide guidance on the latest compatible solutions.
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Frequently Asked Questions
What is the function of this timing relay?
The Siemens 3RP1576-2NQ30 is a multifunction timing relay used for various timing control operations within an electrical circuit. It can be utilised for applications requiring a delay in the activation or deactivation of connected devices.
Can this timing relay be used in a star-delta starting circuit?
Yes, the Siemens 3RP1576-2NQ30 is suitable for use in star-delta starting circuits, which are commonly used to reduce the starting current of an electric motor.
What type of terminals does this timing relay have?
This timing relay is equipped with spring-type terminals, which allow for quick and secure connections without the need for tools.
What is the range of the adjustable time delay?
The adjustable time delay range for the Siemens 3RP1576-2NQ30 is from 3 seconds to 60 seconds, providing flexibility for various timing requirements.
What are the voltage specifications for the control supply?
The control supply voltage specifications for this timing relay are 24 V AC/DC and 100-127 V AC at 50/60 Hz, accommodating a range of power supply options.
What is the insulation voltage rating for this relay?
The insulation voltage rating for the Siemens 3RP1576-2NQ30 is 300 V for overvoltage category III according to IEC 60664, with a degree of pollution 3.
What is the mechanical service life of the relay?
The mechanical service life of the Siemens 3RP1576-2NQ30 is typically 10 million switching cycles, indicating its durability and longevity.
What are the ambient temperature limits for operating this relay?
The Siemens 3RP1576-2NQ30 can operate within an ambient temperature range of -25°C to +60°C, ensuring reliable performance in various environmental conditions.
Does this timing relay have any certifications or approvals?
Yes, the Siemens 3RP1576-2NQ30 has general product approvals and conforms to EMC standards, with additional type test certificates and other confirmations available.
What is the protection class of this timing relay?
The protection class for the Siemens 3RP1576-2NQ30 is IP20, which indicates protection against solid objects larger than 12.5 mm but not against liquids.
