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Specification & Description
The Siemens 3RN2010-1CA30 is a state-of-the-art thermistor motor protection relay designed for compact and efficient motor safety management. This advanced relay is housed in a slender 17.5 mm enclosure, making it an ideal choice for space-conscious installations on a DIN rail. It features a screw terminal for secure and reliable connections, ensuring a robust integration into your system.
Equipped with both a normally open (NO) and a normally closed (NC) contact, the 3RN2010-1CA30 offers versatile switching options to accommodate various control schemes. The unit operates on a control supply voltage of 24 V AC/DC, providing flexibility for integration into diverse electrical environments.
One of the key features of this relay is its Auto RESET function, which is compatible with bimetallic switches, allowing for automatic restoration of motor operations following a trip event without manual intervention. This enhances uptime and reduces the need for constant monitoring.
For immediate status indication, the relay is fitted with two LEDs that display 'Ready' and 'Tripped' states, offering at-a-glance diagnostics that facilitate quick responses to system changes. The galvanic isolation feature ensures that the relay operates safely and reliably, protecting both the user and the equipment from potential electrical hazards.
The 3RN2010-1CA30 is designed to withstand challenging industrial conditions, with a robust construction that offers a high degree of protection against environmental factors. Its shock and vibration resistance ensures stable performance even in demanding applications.
This thermistor motor protection relay is an essential component for safeguarding motors against overheating, which can lead to costly downtime and equipment damage. Its compact design, combined with advanced protective features, makes it a top choice for professionals seeking reliable motor protection solutions.
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Frequently Asked Questions
What is the purpose of a thermistor motor protection relay?
A thermistor motor protection relay is designed to protect motors from overheating by monitoring the temperature via thermistors embedded in the motor windings. When a preset temperature limit is exceeded, the relay will trip to prevent damage to the motor.
Can this relay be mounted on a DIN rail?
Yes, the relay is suitable for screw and snap-on mounting onto a 35 mm standard DIN rail.
What are the dimensions of this relay?
The relay measures 17.5 mm in width, 90 mm in depth, and 100 mm in height.
What type of power supply is required for this relay?
The relay operates with a control supply voltage of 24 V AC/DC.
Is there an auto-reset feature on this relay?
Yes, the relay comes with an auto-reset feature, making it suitable for applications where automatic resetting is preferred after a trip due to overheating.
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.
What type of terminals does this relay have for electrical connections?
The relay is equipped with screw-type terminals for secure and reliable electrical connections.
How many auxiliary contacts does this relay have?
This relay has one normally open (NO) and one normally closed (NC) auxiliary contact.
What is the tightening torque for the screw-type terminals?
The recommended tightening torque for the screw-type terminals is between 0.6 and 0.8 N·m.
Does this relay have any certifications or approvals?
The relay has general product approvals and an EMC Declaration of Conformity, among other certifications.
