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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1916-2CH21 |
| Alternative Part Number | 3RT19162CH21 |
| Manufacturer | Siemens |
| Product Type | Solid-state two-wire time relay |
| Setting Range | 0.5 seconds to 10 seconds |
| Voltage Type | AC/DC |
| Voltage Range | 90 to 240 V |
| Operation Mode | On-delay |
| Contactor Size Compatibility | S00 |
| Product Brand Name | SIRIUS |
| Design | Slow-operating |
| Semiconductor Output | Yes |
| Time Adjustment | Yes |
| Ambient Operating Temperature | -25°C to +60°C |
| Width | 45 mm |
| Height | 38 mm |
| Depth | 38 mm |
| Electrical Connection | Screw-type terminals |
| Frequency | Rated for 50 to 60 Hz |
| Installation | For mounting onto contactors |
| Protection | With varistor |
The Siemens 3RT1916-2CH21 is a solid-state timing relay designed for precision and reliability in various industrial applications. This component is part of the SIRIUS product family, known for its robustness and versatility. The timing relay features a two-wire connection and offers an adjustable time setting range from 0.5 seconds to 10 seconds, catering to a wide array of timing requirements.
Engineered for AC voltage systems, the 3RT1916-2CH21 operates effectively within a supply voltage range of 90 to 240 V AC/DC, making it suitable for diverse electrical environments. The relay is specifically crafted for mounting onto contactors of size S00, ensuring seamless integration into existing setups.
The unit's design includes a varistor, which provides added protection against voltage spikes, enhancing the longevity and dependability of the relay. With its slow-operating switch function, the relay ensures precise control in applications where timing accuracy is critical.
The compact dimensions of the relay, with a width of 45 mm, height of 38 mm, and depth of 38 mm, allow for efficient use of space within control cabinets. The electrical connections are facilitated through screw-type terminals, ensuring secure and straightforward installation.
The 3RT1916-2CH21 is suitable for a broad temperature range, functioning optimally between -25°C and +60°C, which allows for operation in various environmental conditions. This timing relay is a testament to Siemens' commitment to quality and innovation, providing a reliable solution for time-dependent control tasks in industrial automation.
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Frequently Asked Questions
What is the setting range for the timing relay?
The timing relay has a setting range of 0.5 seconds to 10 seconds.
Can this timing relay be used with star-delta circuits?
No, the 3RT1916-2CH21 is not designed for use with star-delta circuits.
What type of product is this?
This is a solid-state two-wire time relay designed for slow-operating applications.
What is the size of the contactor that this relay can be combined with?
This relay can be combined with contactors of size S00.
Does this timing relay have a semiconductor output?
Yes, the relay includes a semiconductor output.
What is the ambient operating temperature range for this relay?
The relay operates within an ambient temperature range of -25°C to +60°C.
What is the supply voltage frequency for the auxiliary and control current circuit?
The supply voltage frequency for the auxiliary and control current circuit is rated at 50 to 60 Hz.
What are the dimensions of this timing relay?
The dimensions are 45 mm in width, 38 mm in height, and 38 mm in depth.
What type of electrical connection does this relay have?
The relay has screw-type terminals for the auxiliary and control current circuit.
What type of voltage does this relay operate with?
The relay operates with AC voltage.
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