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Specification & Description
The Siemens 3RN2013-1BW30 is a sophisticated thermistor motor protection relay designed to safeguard motors from overheating. This compact and reliable unit is engineered for DIN rail mounting and features a 22.5 x 90 x 100 mm profile, making it suitable for integration into a variety of control cabinets and panels.
Equipped with two change-over contacts, the relay operates across a wide control supply voltage range of 24 to 240 V ac/dc, catering to diverse industrial applications. The inclusion of LED indicators provides clear and immediate status feedback, ensuring that maintenance personnel can quickly identify operational states.
This relay is particularly adept at monitoring the temperature of motor windings through connected PTC thermistors, triggering protective measures if pre-set thresholds are exceeded. The unit's multifunctional capabilities include manual, automatic, and remote reset options, enhancing its flexibility and ease of use in different scenarios.
The 3RN2013-1BW30 also boasts ATEX approval, signifying its suitability for use in potentially explosive environments, and it ensures safe galvanic isolation between circuits. Its robust design is complemented by features such as wire break and short circuit monitoring, which contribute to its reliability and longevity in demanding industrial settings.
Overall, the Siemens 3RN2013-1BW30 is a vital component for motor protection, offering a blend of performance, versatility, and safety that is essential for the smooth operation of machinery in a wide range of industrial environments.
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Frequently Asked Questions
What is the purpose of this thermistor motor protection relay?
The thermistor motor protection relay is designed to protect motors from overheating by monitoring the temperature via connected PTC thermistors. When a preset temperature limit is exceeded, the relay will trip to prevent damage to the motor.
Can this relay be used with any motor brand?
Yes, as long as the motor is equipped with PTC thermistors compatible with the relay's specifications, it can be used with various motor brands.
What voltage supply does this relay support?
The relay supports a wide range of control supply voltages from 24 to 240 V ac/dc, making it versatile for different power systems.
Is this relay suitable for use in hazardous locations?
Yes, the relay has approvals for use in hazardous locations, ensuring it can safely operate in environments where there is a risk of explosion.
What are the mounting options for this relay?
This relay is designed for DIN rail mounting, which allows for easy installation and integration into electrical cabinets and control panels.
What are the dimensions of the relay?
The dimensions of the relay are 22.5 x 90 x 100 mm, which conforms to the standard size for DIN rail-mounted devices.
Does the relay have a manual reset function?
Yes, the relay includes a manual reset function, allowing operators to manually reset the relay after a trip event.
What is the ambient temperature range for the operation of this relay?
The relay can operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance in various environmental conditions.
How many changeover contacts does the relay have?
The relay is equipped with 2 changeover (CO) contacts, which can be used for signalling and control purposes.
What is the maximum installation altitude for this relay?
The maximum installation altitude for the relay is 2,000 meters above sea level, which allows for use in a range of geographical locations.
