The Siemens 3RU1136-4AB0 is a high-quality thermal overload relay designed to provide efficient motor protection. This component is part of the renowned SIRIUS series and is engineered to safeguard motors from potential damage due to overloads. With a size S2 frame, it is suitable for a wide range of industrial applications.
The overload relay operates with a current adjustment range of 11 to 16 A, ensuring precise protection for motors based on their specific requirements. It features a 3-pole design for the main current circuit and includes both 1NC (normally closed) and 1NO (normally open) contacts for auxiliary circuits, providing flexibility in control circuit design.
Constructed for direct mounting onto contactors, the 3RU1136-4AB0 facilitates a streamlined installation process. It boasts a robust design with a rated impulse voltage resistance of 6 kV and a protection class of IP20, ensuring finger-safe operation and resistance to environmental factors.
The device is also designed to withstand the rigours of industrial environments, with an operating temperature range of -20 to +70°C and the capability to function at installation altitudes of up to 2000 metres above sea level. Its shock resistance of 8g / 10 ms and a relative humidity tolerance of up to 100% during operation phase make it a reliable choice for challenging conditions.
With a compact footprint of 55 x 118 x 105 mm, the Siemens 3RU1136-4AB0 overload relay is an essential component for motor control applications where space is at a premium but protection cannot be compromised. Its CLASS 10 trip class ensures quick and reliable response to overloads, safeguarding your motor and associated equipment from potential harm.