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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2016-1KB42 |
| Alternative Part Number | 3RT20161KB42 |
| Manufacturer | Siemens |
| Type of Voltage | DC |
| Control Supply Voltage (Rated Value) | 24 V |
| Operating Range Factor | 0.7 … 1.25 (of the magnet coil for DC) |
| Pull-in Power | 2.8 W (for DC) |
| Holding Power | 2.8 W (for DC) |
| Closing Delay | 30 … 100 ms (at DC) |
| Opening Delay | 7 … 13 ms (at DC) |
| Arcing Time | 10 … 15 ms |
| Residual Current | Max. 3 mA (at 230 V with AC), Max. 10 mA (at 24 V with DC) |
| Auxiliary Contacts | 1 NC (instantaneous switching) |
| Operating Current (Auxiliary Contacts) | 2 A (not powered), 1 A (at 690 V) |
| UL/CSA Ratings for Motors | Various horsepower ratings from 0.33 hp (at 110/120 V) to 7.5 hp (at 575/600 V) |
| Operating Current (FLA) | 7.6 A (at 480 V), 9 A (at 600 V) for three-phase squirrel cage motors |
| Safety Related Data | Mirror contact according to IEC 60947-4-1, B10 value, Proportion of dangerous failures, FIT value |
| Certificates/Approvals | General Product Approval, EMC, KC, Functional Safety/Safety of Machinery, etc. |
| Connection Type | Screw-type terminals for main, auxiliary, and control circuits |
| Connectable Conductor Cross-sections | Various cross-sections for solid, stranded, and finely stranded with core end processing |
| AWG Cable Compatibility | 20 ... 12 for main and auxiliary contacts |
| Protection Class | IP20 on the front according to IEC 60529 |
| Suitability for Use | Safety-related switching OFF |
The Siemens 3RT2016-1KB42 is a high-quality coupling relay designed to facilitate the control of motor operations within industrial settings. Engineered for reliability and efficiency, this component is part of the SIRIUS range and is adept at handling AC-3 loads up to 4kW at 400V. It features a single normally closed (NC) contact and operates with a DC control supply voltage of 24V, within an operating range factor of 0.7 to 1.25 times the rated value.
Constructed with robust screw terminals, the 3RT2016-1KB42 ensures secure and stable connections, making it suitable for a variety of applications. The device is also equipped with an integrated suppressor diode, enhancing its operational longevity by mitigating voltage spikes during switching. Its compact size, belonging to the S00 contactor size, allows for efficient use of space in electrical cabinets.
The relay operates within a wide ambient temperature range, making it versatile for use in diverse environments. It also boasts a high insulation voltage rating of 690V and conforms to IP20 protection class on the front, ensuring a degree of protection against solid objects.
This Siemens coupling relay is a dependable choice for those in the industrial sector looking to maintain or enhance their electrical control systems with a component that offers both performance and durability.
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Frequently Asked Questions
What is the size of the contactor for this Siemens coupling relay?
The Siemens coupling relay is of the S00 size, which is a compact design suitable for various applications.
Can this relay be mounted side-by-side with other units?
Yes, this relay is designed with the capability for side-by-side mounting, allowing for efficient use of space within control panels.
What is the protection class of the front side of this relay?
The front side of the relay has a protection class of IP20, ensuring finger-safe operation and protection against solid objects larger than 12mm.
What is the maximum operating altitude for this relay?
The maximum operating altitude for the relay is 2,000 metres above sea level, which allows it to function effectively in various installation environments.
What are the ambient temperature limits for operating this relay?
The relay can operate within an ambient temperature range of -25 to +60 degrees Celsius, with storage temperature limits from -55 to +80 degrees Celsius.
What type of voltage is required for the controlled supply voltage?
The controlled supply voltage required for this relay is DC, with a rated control supply voltage of 24V.
What are the dimensions of this relay?
The dimensions of the relay are 58 mm in height, 45 mm in width, and 73 mm in depth, making it suitable for compact installations.
What type of electrical connection does this relay support?
This relay supports screw-type terminals for both the main current circuit and the auxiliary and control circuit, ensuring secure and reliable connections.
Does this relay have a mirror contact feature?
Yes, the relay includes a mirror contact feature according to IEC 60947-4-1, which is important for safety applications.
What is the mechanical operating cycle lifespan of this relay?
The mechanical operating cycle lifespan of the relay is typically around 30 million cycles, indicating a high level of durability for long-term use.
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Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
