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
141-0574
Siemens 141-0574 available at EU Automation. Get in touch today for a quick price.
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What happens next?
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.
The Siemens 141-0574 is a differential static airflow switch designed to monitor and control airflow in various industrial applications. This switch is engineered to sense static differential pressure and features a diaphragm-operated snap switch that actuates electrical circuits. It is particularly suitable for applications requiring positive proof of airflow or fan operation, as well as detecting high differential pressures associated with maintenance alarms, such as dirty air filters. The 141-0574 model offers an auto-reset function, ensuring reliable performance without the need for manual intervention. With a setpoint range of 0.05 to 1.0 inches WC (12.5 Pa to 250 Pa) and a switching differential of approximately 0.06 to 0.6 inches WC (15 Pa to 150 Pa), this switch provides precise control and accuracy. Constructed from durable aluminized steel, it is designed to withstand ambient temperatures ranging from -40°F to 180°F (-40°C to 82°C). The Siemens 141-0574 is a versatile and dependable choice for ensuring optimal airflow management in HVAC systems and other industrial environments.
| Specification | Description |
|---|---|
| Part Number | 141-0574 |
| Manufacturer | Siemens |
| Category | Differential Static Airflow Switch |
| Function | The Siemens 141-0574 is an auto-reset differential static airflow switch designed to sense static differential pressure and actuate electrical circuits. It is used to provide positive proof of airflow or detect high differential pressures. |
| Setpoint Range | 0.05” to 1.0” WC (12.5 Pa to 250 Pa) |
| Switching Action | SPDT (Single Pole Double Throw) with Auto Reset |
| Setpoint Accuracy | ±0.2” WC (±50 Pa) at 1” WC |
| Switching Differential | Approximately 0.06" to 0.6” WC (15 Pa to 150 Pa) |
| Operating Temperature | -40°F to 180°F (-40°C to 82°C) |
| Maximum Overpressure | 0.5 psi (3.4 kPa) |
| Material | Aluminized steel |
| Weight | 1 lb (0.45 kg) |
| Dimensions | 6.13" x 3.88" x 1.38" (156 mm x 98 mm x 35 mm) |
| Application | Ideal for applications requiring airflow verification or maintenance alarms without safety lock-out. Suitable for use on fan discharge, fan inlet, or across the fan for pressure detection. |
What is the function of this Siemens part?
The Siemens 141-0574 is a differential static airflow switch designed to sense static differential pressure and actuate electrical circuits. It is used in applications requiring positive proof of airflow or to detect high differential pressures.
What are the typical applications for this part?
This part is typically used in HVAC systems to provide positive proof of airflow or fan operation, and to detect high differential pressures associated with dirty air filters or similar maintenance alarms.
What is the operating temperature range for this part?
The Siemens 141-0574 operates within an ambient temperature range of -40°F to 180°F (-40°C to 82°C).
What is the setpoint range for this airflow switch?
The setpoint range for the Siemens 141-0574 is 0.05” to 1.0” WC (12.5 Pa to 250 Pa).
What type of switch action does this part have?
The Siemens 141-0574 features a SPDT (Single Pole Double Throw) switch action with an auto reset function.
What materials is this part made from?
The Siemens 141-0574 is constructed from aluminized steel, providing durability and resistance to environmental factors.
How is the Siemens 141-0574 airflow switch installed?
The Siemens 141-0574 can be mounted with the diaphragm in any vertical plane. It includes sample line connectors that accept 1/4-inch OD copper or poly tubing.
What are the electrical ratings for this part?
The Siemens 141-0574 has non-inductive electrical ratings of 15 amps at 120-277 Vac and a pilot duty rating of 300 VA at 120-277 Vac.
What is the maximum overpressure this part can handle?
The maximum overpressure for the Siemens 141-0574 is 0.5 psi (3.4 kPa).
What certifications does this part have?
The Siemens 141-0574 is certified by U.L. MFHX File MH9888 and CSA 1811M25.
- Monitoring and ensuring positive proof of airflow in HVAC systems.
- Detecting high differential pressures in air filtration systems to signal maintenance needs.
- Providing automatic reset functionality for airflow verification in ventilation systems.
- Used in fan operation systems to detect airflow and prevent damage to ducts or dampers.
- Suitable for applications requiring detection of excessive airflow or pressure in industrial environments.
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.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
5 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
5 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
5 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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