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Siemens Auxiliary Contact 2 Contact 1 NO/1 NC Snap-On 10 A 440 V SIRIUS 3RH1921-1EA11
Specifications
| Country of Origin | Czech Republic |
|---|---|
| Brand | Siemens |
| Model | 3RH1921-1EA11 |
| Mount Type | Snap-On |
| Series | SIRIUS |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Number of Contacts | 2 |
| Contact Voltage | 440V |
| Normal State Configuration | 1 NO/1 NC |
| Contact Current | 10A |
| Operational Current Ie | 10A |
| Pole and Throw Configuration | DPDT |
| Mechanical Durability | 10Mcycles |
| Rated Insulation Voltage Ui | 690V |
Key Features
- Rated for a contact current of 10 A at 440 V for reliable electrical performance.
- Snap-on mount type allows easy and quick installation on compatible devices.
- Durable mechanical design with up to 10 million operation cycles lifespan.
- Screw-type terminals support secure wiring for solid or stranded conductors.
- Operates effectively across a temperature range from -25°C to 60°C for diverse environments.
- Designed for use with Siemens SIRIUS 3RT10 and 3RT12 contactors to extend functionality.
- Rated insulation voltage of 690 V ensures safe operation under high voltage conditions.
- Compact size enables installation in limited space applications.
Product Description
Siemens 3RH1921-1EA11 Auxiliary Contact is a high-quality electrical accessory designed for industrial automation and control applications. It features a dual contact arrangement with one normally open (NO) and one normally closed (NC) contact, enabling flexible circuit configurations for various control schemes. The contact is rated at 10 amperes current with an operating voltage of 440 volts, making it suitable for moderate electrical load tasks.
The device incorporates a snap-on mounting system facilitating fast and secure installation on compatible Siemens SIRIUS contactors, specifically the 3RT10 and 3RT12 series. This ease of integration supports efficient maintenance and upgrades in electrical control panels.
Designed to withstand demanding operational conditions, this auxiliary contact boasts a mechanical durability of up to 10 million cycles, ensuring lasting performance in industrial environments. It features screw terminals that accommodate both solid and stranded wires, enhancing wiring flexibility and connection reliability.
The rated insulation voltage of 690 volts ensures enhanced safety and reliability, protecting circuits during switching operations. Its operating temperature range from -25°C to 60°C allows the component to function efficiently across various ambient conditions.
Compact and robust, the 3RH1921-1EA11 auxiliary contact is ideal for use in electrical, manufacturing, automation, and HVAC control systems where dependable switching and safety are critical. Its dual pole and throw (DPDT) configuration broadens its application scope within industrial control circuits.
Rated for 10 A contact current at 440 V voltage. Snap-on mounting for quick installation. Up to 10 million mechanical operation cycles. Screw-type terminals for secure wiring. Operating temperature range: -25°C to 60°C. Compatible with Siemens 3RT10 and 3RT12 contactors.
Rated insulation voltage of 690 V. Compact size for tight installation spaces. DPDT contact configuration for flexible control. Manufactured in Czech Republic.
This Siemens auxiliary contact is a dependable component for enhancing contactor functionality within industrial and automation systems. Explore EnvMart categories for similar high-quality control and automation products.
Explore more products in our Auxiliary Contacts category.
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Frequently Asked Questions
The Siemens 3RH1921-1EA11 auxiliary contact is rated for a contact current of 10 A.
It operates at a contact voltage of 440 V.
This auxiliary contact features a configuration of 1 normally open (NO) and 1 normally closed (NC) contact.
The rated insulation voltage is 690 V, ensuring safe operation under high voltage conditions.
It operates effectively across a temperature range from -25°C to 60°C.
This model has a mechanical durability of up to 10 million operation cycles.
It features screw-type terminals that support secure wiring for both solid and stranded conductors.
Yes, it is designed for use with Siemens SIRIUS 3RT10 and 3RT12 contactors to extend functionality.
It utilizes a snap-on mounting type for easy and quick installation on compatible devices.
The compact size of this unit allows for installation in limited space applications, making it suitable for various environments.
This auxiliary contact is manufactured in the Czech Republic.
It features a dual pole and throw (DPDT) configuration for flexible control in circuits.
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