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Specification & Description
The Siemens 3RN2000-1AA30 is a compact thermistor motor protection relay designed to safeguard motors from overheating. This evaluation unit, part of the SIRIUS 3RN2 series, features a 17.5 mm enclosure with screw terminals and a single change-over contact configuration. It operates on a 24 V AC/DC power supply and includes an auto-reset function, making it suitable for use with bimetallic switches.
Engineered for reliability, the 3RN2000-1AA30 offers robust protection with a high degree of precision. It is equipped with an LED display for easy status monitoring and boasts a mechanical lifespan of up to 10 million switching cycles. The relay is designed to withstand harsh conditions, with an operating temperature range of -25 to +60 degrees Celsius and a relative humidity tolerance of up to 70%.
The unit's compact design allows for easy installation on a 35 mm DIN rail, and it requires no additional spacing for side-by-side mounting. With a high surge voltage resistance of 4 kV and an IP20 protection rating, the 3RN2000-1AA30 ensures dependable performance in various industrial environments.
Ideal for applications requiring precise motor protection, this relay is a reliable choice for maintaining the longevity and efficiency of your motor systems.
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Frequently Asked Questions
What is the primary function of this motor protection relay?
The primary function of the Siemens 3RN2000-1AA30 motor protection relay is to protect motors from overheating by monitoring the temperature using a thermistor.
What type of contact configuration does this relay have?
This relay features a 1NO/1NC contact configuration.
What is the rated control supply voltage for this relay?
The rated control supply voltage for the Siemens 3RN2000-1AA30 is 24 V AC/DC.
Is this relay suitable for use with bimetallic switches?
Yes, the Siemens 3RN2000-1AA30 is suitable for use with bimetallic switches.
What is the degree of protection provided by this relay?
The relay provides an IP20 degree of protection.
What are the dimensions of this motor protection relay?
The dimensions of the Siemens 3RN2000-1AA30 are 100 mm in height, 17.5 mm in width, and 90 mm in depth.
What is the maximum installation altitude for this relay?
The maximum installation altitude for the Siemens 3RN2000-1AA30 is 2000 meters above sea level.
What is the operating temperature range for this relay?
The operating temperature range for the Siemens 3RN2000-1AA30 is -25°C to +60°C.
What type of mounting does this relay support?
This relay supports screw and snap-on mounting onto a 35 mm DIN rail.
What is the rated insulation voltage for this relay?
The rated insulation voltage for the Siemens 3RN2000-1AA30 is 300 V for overvoltage category III according to IEC 60664.
