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Specification & Description
The Siemens 3RB3016-1NB0 is a state-of-the-art solid-state overload relay designed for motor protection. This compact device is part of the SIRIUS product family and is engineered to provide reliable protection for motors in industrial applications. With an adjustable pick-up value current range of 0.32 to 1.25 A, it ensures precise protection for a variety of motor sizes.
Crafted for size S00 contactors, the 3RB3016-1NB0 features a manual-automatic-reset function and is equipped with screw-type terminals for both the main and auxiliary circuits, facilitating straightforward installation and maintenance. The overload relay is rated for use in networks up to 690 V and can withstand impulse voltages up to 6 kV, making it robust against electrical disturbances.
The device is designed with user safety in mind, offering finger-safe protection and an IP20 rating on the front, ensuring protection against solid objects. It is also capable of operating in a wide range of ambient temperatures, from -25 to +60 degrees Celsius, making it suitable for challenging environmental conditions.
The 3RB3016-1NB0 is compliant with international standards, including EMC for use in hazardous locations, and comes with a variety of certifications and approvals. Its solid-state design means it has no moving parts, which contributes to a longer service life and reduced maintenance requirements.
This overload relay is an essential component for industrial automation systems, providing both protection and peace of mind. Its robust construction and advanced features make it a valuable addition to any motor control setup.
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Frequently Asked Questions
What type of overload relay is this?
This is a solid-state overload relay designed for motor protection, suitable for use with size S00 contactors.
Can the terminals for auxiliary and control circuits be removed?
Yes, the overload relay features removable terminals for auxiliary and control circuits, facilitating easier wiring and maintenance.
What is the insulation voltage rating for this overload relay?
The insulation voltage rating for this overload relay is 690 V with a degree of pollution 3.
What is the product's protection class on the front?
The protection class on the front of the overload relay is IP20, indicating protection against solid objects larger than 12mm but not against liquids.
What is the maximum installation altitude for this overload relay?
The maximum installation altitude for the overload relay is 2,000 meters above sea level.
What is the ambient temperature range for operating this overload relay?
The ambient temperature range for operating the overload relay is between -25°C and +60°C.
What is the trip class of this overload relay?
The trip class of the overload relay is CLASS 10E, which refers to the time it takes for the relay to trip in an overload condition.
What are the dimensions of this overload relay?
The dimensions of the overload relay are 79 mm in height, 45 mm in width, and 73 mm in depth.
What is the rated operating voltage for this device?
The rated operating voltage for this overload relay is 690 V.
How is the overload relay mounted?
The overload relay is designed for direct mounting onto a contactor, allowing for a compact and efficient setup.
