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Siemens Auxiliary Contact, 2 Contacts, 1 NO/1 NC, Snap Mount, 10 A Contact Current, 600 V DC, 690 V AC, 3RH2921-1DA11
Specifications
| Country of Origin | India |
|---|---|
| Brand | Siemens |
| Model | 3RH2921-1DA11 |
| Mount Type | Snap |
| Series | 3RH2 |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Mounting Location | Front, Left, Right |
| Number of Contacts | 2 |
| Contact Voltage | 600, 690V dc |
| Normal State Configuration | 1 NO/1 NC |
| Contact Current | 10A |
| Operational Current Ie | 300mA |
| Pole and Throw Configuration | 2P |
| Mechanical Durability | 10Mcycles |
| Rated Insulation Voltage Ui | 690V |
| WEG CSW Rotary Drive for use with RW-E RelaysBrand | WEG |
Key Features
- Compact snap mounting design for efficient installation.
- Screw terminal type ensures reliable and secure wire connections.
- Rated for mechanical durability of 10 million cycles.
- Operational temperature range from -25°C to 60°C enables use in diverse environments.
- Compatible with 3RT2 series contactors for integrated automation solutions.
- Supports 300 mA operational current and rated insulation voltage of 690 V.
- Conforms to EN 50005, EN 50012, EN 60947-4-1, and EN 60947-5-1 standards.
- Mounting locations include front, left, and right sides for flexible assembly.
Product Description
Siemens 3RH2921-1DA11 Auxiliary Contact is an essential component designed for enhancing the performance and functionality of electrical contactors and control systems. Featuring 2 contacts arranged as 1 Normally Open (NO) and 1 Normally Closed (NC), this auxiliary contact is suited for diverse automation and control applications.
Its snap mount design allows for quick and secure installation, while the screw terminal type ensures dependable electrical connections. Rated at 10 A contact current with voltages up to 600 V DC and 690 V AC, it supports robust power switching and control.
This component exhibits mechanical durability rated for 10 million operation cycles, offering long-term reliability in industrial environments. It operates efficiently within a temperature range of -25°C to 60°C, making it suitable for use in conditions demanding temperature resilience.
Compatible with Siemens 3RT2 series contactors and suitable for relay operations within control circuits, it provides flexible mounting options on front, left, and right sides of the device.
Compact snap mounting design for efficient installation. Screw terminal connections for secure wiring. High mechanical durability of 10 million cycles. Wide operational temperature range from -25°C to 60°C. Supports contact current of 10 A at 600 V DC and 690 V AC.
Compatible with 3RT2 series contactors for enhanced automation integration. Conforms to international standards: EN 50005, EN 50012, EN 60947-4-1, EN 60947-5-1. Flexible mounting locations: front, left, right.
This Auxiliary Contact is widely used in industrial automation, electrical control panels, manufacturing systems, and HVAC control devices. Its robust construction and certified standards compliance ensure safe and reliable operations in complex electrical systems. Engineers and technicians find it valuable for improving switching reliability and system monitoring capabilities.
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Frequently Asked Questions
This model features 2 contacts arranged as 1 Normally Open (NO) and 1 Normally Closed (NC).
It supports a maximum contact current of 10 A and can operate at voltages up to 600 V DC and 690 V AC.
The operational temperature range is from -25°C to 60°C, allowing use in diverse environments.
It is rated for mechanical durability of 10 million cycles, ensuring long-term reliability in industrial applications.
It uses screw terminal connections, which provide reliable and secure wire connections.
Yes, it is compatible with the Siemens 3RT2 series contactors, enhancing automation integration.
It offers flexible mounting locations on the front, left, and right sides of the device.
It conforms to EN 50005, EN 50012, EN 60947-4-1, and EN 60947-5-1 standards.
The rated insulation voltage is 690 V, ensuring safe operation within specified limits.
It supports an operational current of 300 mA, suitable for various control applications.
It is widely used in industrial automation, electrical control panels, manufacturing systems, and HVAC control devices.
The model number is 3RH2921-1DA11, which identifies this specific auxiliary contact from Siemens.
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