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Specification & Description
The Siemens 3RU1136-4EB1 is a thermal overload relay designed to provide efficient motor protection. This component is part of the SIRIUS product family and is engineered to safeguard motors in the event of overload or phase failure. The relay is suitable for a range of industrial applications, offering reliable performance and protection for motors with a current range of 22 to 32 amperes.
Crafted for stand-alone installation, the 3RU1136-4EB1 features a compact design with dimensions that ensure it can be easily integrated into various control systems. The device is equipped with screw-type terminals for both the main and auxiliary circuits, facilitating straightforward and secure connections.
This overload relay is classified under trip class 10, which indicates a quick response to overload conditions, typically within 10 seconds, to prevent motor damage. The product is also designed to be versatile in its mounting options, allowing for rotation and tilting to accommodate different installation requirements.
The 3RU1136-4EB1 is built to withstand challenging environmental conditions, with an operational temperature range of -20 to +70 degrees Celsius and a high degree of protection against ingress, rated at IP20 on the front. Additionally, it can be used at installation altitudes of up to 2000 meters above sea level without derating.
With its robust construction and reliable tripping characteristics, the Siemens 3RU1136-4EB1 thermal overload relay is an essential component for industrial motor control, ensuring that your motor-driven applications operate smoothly and are protected against potential overload damage.
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Frequently Asked Questions
What is the function of this overload relay?
The overload relay is designed for motor protection, ensuring that the motor does not draw more current than it is rated for, which could lead to overheating and potential damage.
Can this overload relay be mounted alongside other devices?
Yes, it can be mounted side-by-side with other devices without requiring additional spacing, making it suitable for compact installations.
What type of connections does this overload relay support?
It supports screw-type terminals for both the main current circuit and the auxiliary and control current circuit, accommodating various conductor cross-sections.
What are the ambient operating temperature limits for this relay?
The relay can operate within an ambient temperature range of -20 to +70 degrees Celsius, ensuring reliable performance in a variety of environmental conditions.
What is the trip class of this overload relay?
This overload relay has a trip class of 10, which refers to the time it takes for the relay to trip in the event of an overload.
What is the adjustable current range for this overload relay?
The adjustable current range for the current-dependent overload release is 22 to 32 amperes.
What is the insulation voltage rating for this relay?
The insulation voltage rating with a degree of pollution 3 is 690V AC.
What is the protection class for the front of this relay?
The front of the relay has a protection class of IP20.
What are the dimensions of this overload relay?
The dimensions are 105 mm in height, 55 mm in width, and 118 mm in depth.
How many auxiliary contacts does this overload relay have?
It has one normally closed (NC) and one normally open (NO) auxiliary contact.
