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Specification & Description
The Siemens 3RK1908-0AP00-0EP0 is a base unit designed to complement the ET 200SP motor starter range, providing a robust and efficient solution for industrial automation systems. This accessory is engineered with an AC infeed and features an integrated F-DI for fail-safe motor starters, ensuring reliable operation and safety in a variety of applications.
Constructed to accommodate a three-pole main current circuit, the unit is capable of handling an operational current of up to 32 A at 400 V AC, with derating considerations available in the manual for different conditions. The base unit is also equipped with a single digital input, supporting a 24 V DC rated input voltage, which allows for straightforward integration into existing control systems.
The supply voltage for this unit is DC, with a rated value of 24 V and operational limits set between 20.4 V and 28.8 V, ensuring compatibility with standard industrial power supplies. The unit's ampacity can handle up to a maximum of 7 A, providing sufficient capacity for most motor starter applications.
Designed for versatility, the Siemens 3RK1908-0AP00-0EP0 can be mounted in various positions including vertical, horizontal, or lying down, and is fastened using a standard rail, making installation and maintenance straightforward. With dimensions of 215 mm in height, 30 mm in width, and 75 mm in depth, the unit is compact and space-efficient, an important consideration for crowded control cabinets.
The base unit is built to withstand challenging industrial environments, with an insulation voltage rated at 500 V and surge voltage resistance of 6 kV. It is also resistant to shock and vibration, ensuring continued performance even in demanding conditions. The unit's front protection class is IP20, providing finger-safe touch protection and safeguarding against the ingress of solid objects.
Overall, the Siemens 3RK1908-0AP00-0EP0 is a reliable and essential component for modern motor control applications, offering durability, safety, and ease of use for engineers and technicians in the field.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Frequently Asked Questions
What is the insulation voltage rating for this Siemens base unit?
The insulation voltage rating for this base unit is rated at 500 V.
Can you describe the shock resistance of this product?
The product is designed to withstand shock resistance of 6g over 11 milliseconds.
What type of electrical connections does this base unit support?
This base unit supports spring-loaded terminals (push-in) for both the main current circuit and the auxiliary and control circuit.
What is the degree of pollution for this base unit?
The base unit has a degree of pollution rated at 2.
What are the ambient operating temperature limits for this unit?
The ambient operating temperature range for this unit is from -25 to +60 degrees Celsius. For derating information, please refer to the manual.
What is the IP protection class of this Siemens base unit?
The protection class for this base unit is IP20, indicating protection against solid objects larger than 12.5mm but not against liquids.
What are the mounting options for this base unit?
The base unit can be mounted vertically or horizontally and is designed to be fastened onto a standard rail.
What is the surge voltage resistance of this product?
The surge voltage resistance of this product is rated at 6 kV.
What type of product is this base unit considered?
This base unit is considered an accessory for the ET 200SP motor starter, designed for AC infeed with F-DI.
What are the dimensions of this base unit?
The dimensions of the base unit are 215 mm in height, 30 mm in width, and 75 mm in depth.
