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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RF2170-1AA02 |
| Alternative Part Number | 3RF21701AA02 |
| Manufacturer | Siemens |
| Product Type | Solid-state relay |
| Design | Single-phase |
| Product Family | SIRIUS |
| Main Circuit Poles | 1 |
| Main Contacts | 1 NO contact |
| Operating Voltage (AC) | 24 ... 230 V at 50 Hz, 24 ... 230 V at 60 Hz |
| Operating Frequency | 50 ... 60 Hz |
| Operating Current (AC-1 at 400 V) | 70 A |
| Control Supply Voltage Type | DC |
| Insulation Voltage Rated Value | 600 V |
| Surge Voltage Resistance | 6 kV |
| Ambient Operating Temperature | -25 ... +60 °C |
| Storage Temperature | -55 ... +80 °C |
| Installation Altitude | Up to 1,000 m above sea level |
| Protection Class | IP20 |
| Tightening Torque (Main Contacts) | 2 ... 2.5 N·m |
| Tightening Torque (Auxiliary Contacts) | 0.5 ... 0.6 N·m |
| Wire Stripping Length | 7 mm for both main and auxiliary/control contacts |
| Electromagnetic Compatibility | Compliance with IEC standards for conducted and radiated interference |
| Short-circuit Protection | Compatible with specific Siemens fuse links for semiconductor protection |
| Product Function | Zero-point switching |
| Power Loss | Maximum 94 V·A, typical 0.4 W without load current share |
| Shock Resistance | 15g / 11 ms according to IEC 60068-2-27 |
| Vibration Resistance | 2g according to IEC 60068-2-6 |
| Reference Code | Q according to IEC 81346-2 |
The Siemens 3RF2170-1AA02 is a robust solid-state relay designed for seamless integration into a wide range of industrial applications. This single-phase semiconductor relay is part of the SIRIUS product family, renowned for its reliability and efficiency in controlling electrical loads. With an overall width of just 22.5 mm, it offers a compact solution for systems where space is at a premium.
Engineered for zero-point switching, the 3RF2170-1AA02 can handle operating currents up to 70 A at voltages ranging from 24 to 230 V AC, making it versatile for various control tasks. The relay operates with a control supply voltage of 24 V DC, ensuring compatibility with standard industrial control systems.
The device boasts an impressive insulation voltage rated at 600 V and is equipped with one normally open (NO) contact for main contacts, ensuring straightforward and reliable operation. Its design facilitates easy installation with screw fixing and side-by-side mounting capabilities, allowing for efficient use of panel space.
The 3RF2170-1AA02 is built to withstand challenging industrial environments, with an operational temperature range of -25 to +60 °C and storage temperatures from -55 to +80 °C. It also features a high level of resistance to shock and vibration, complying with IEC standards, which underscores its durability and suitability for demanding applications.
This solid-state relay is an ideal choice for those seeking a dependable and space-saving solution for controlling electric loads in industrial settings. Its design and construction reflect Siemens' commitment to quality, performance, and innovation in industrial control technology.
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Frequently Asked Questions
What is the overall width of this solid-state relay?
The overall width of the Siemens solid-state relay is 22.5 mm, making it a compact option for various applications.
Can this semiconductor relay be used with different supply voltages?
Yes, this semiconductor relay is designed to operate with a range of supply voltages from 24 to 230 V AC, as well as 24 V DC, providing flexibility for different electrical systems.
What type of switching does this solid-state relay provide?
The Siemens solid-state relay offers zero-point switching, which helps to minimise electrical noise and wear on the relay.
What is the maximum operating current for this relay?
The maximum operating current for this relay is 70 A, which is suitable for handling high-current applications.
What is the insulation voltage rating for this relay?
The insulation voltage rating for this relay is 600 V, ensuring a high level of electrical isolation between the control and load circuits.
Is there any protection against electromagnetic interference?
Yes, the relay is designed with electromagnetic compatibility features to withstand various types of interference, including electrostatic discharge and conducted HF interference emissions.
What is the ambient temperature range for operating this relay?
The relay can operate within an ambient temperature range of -25 to +60 degrees Celsius, making it suitable for a variety of industrial environments.
What type of terminal connection does this relay have?
This relay is equipped with screw-type terminals, which provide a secure and reliable connection for both the main current circuit and auxiliary and control current circuits.
How many poles does the main current circuit of this relay have?
The main current circuit of the relay has one pole, which is typical for single-phase applications.
What is the product function of this relay?
The primary function of the 3RF2170-1AA02 is zero-point switching, which is ideal for reducing electrical noise and extending the relay's lifespan.
