steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
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1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
| Specification | Description |
|---|---|
| Part Number | 661 |
| Manufacturer | Siemens |
| Part Type | Pneumatic Amplifying Relay with Bias |
| Model Number | 661A2, 661A3, 661A4, 661A6 |
| Function | The Siemens 661 is a pneumatic amplifying relay designed to enhance input pressure signals, providing a controlled output pressure. |
| Gain Options | Available in gain options of 2, 3, 4, and 6, allowing for flexible application in various pneumatic systems. |
| Application | Ideal for use in industrial automation systems where precise pressure control is required. |
| Mounting | Designed for easy integration into existing systems with standard mounting dimensions. |
| Operation | Direct action relay that adjusts output pressure based on the input pressure and a bias factor, following the equation: P_out = G (P_in ± K) |
| Usage | Commonly used in applications requiring amplification of pneumatic signals for enhanced control and efficiency. |
The Siemens 661 is a pneumatic amplifying relay with bias, designed to amplify input pressure to a higher output pressure based on a specified gain.
The Siemens 661 relay offers gain options of 2, 3, 4, and 6, allowing for flexibility in amplification requirements.
The relay operates by using the function equation P_out = G (P_in ± K), where P_in is the input pressure, P_out is the output pressure, and G is the gain.
The mounting dimensions for the Siemens 661 are specified in the technical data section of its catalog sheet.
Yes, the Siemens 661 is designed for direct action applications, making it versatile for various industrial uses.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
All parts new or reconditioned are covered by EU Automation 12 month warranty
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