Siemens Differential Pressure Monitor Switch P/N: QBM81-3, 101001A
- Brand:
- Siemens
- Part no.:
- 101001A
20 in stock
Free shipping to all countries · dispatched in 1–2 business days
- Free shippingStandard shipping to all countries
- Dispatched in 1–2 daysBusiness days after payment
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Specifications
| Brand | Siemens |
|---|---|
| Part Number | 101001A |
| Model | QBM81-3 |
| Condition | New- In Company Packaging |
| Country of Origin | Switzerland |
| Pressure Range | 20 – 300 Pa |
| Operating Temperature | -30°C to +85°C |
| Output Type | SPDT Switching Contact |
| Availability | In stock(20 available) |
Product description
Siemens part number 101001A, condition: New- In Company Packaging. 20 in stock, dispatched within 1–2 business days with free standard shipping to all countries.
Siemens Differential Pressure Monitor Switch QBM81-3 (P/N: 101001A)
Product Overview
The Siemens QBM81-3 Differential Pressure Monitor Switch is a highly reliable and accurate pressure monitoring device designed for HVAC, industrial ventilation, clean room, and air handling applications. Engineered to monitor differential pressure, overpressure, and underpressure, the QBM81-3 provides dependable switching performance for airflow verification, filter monitoring, fan status detection, and pressure control systems. Its robust construction and long-term stability make it an ideal choice for demanding commercial and industrial environments.
Key Features
- Differential pressure monitoring range: 20 to 300 Pa
- Suitable for air and non-aggressive gases
- Adjustable switching point for precise control
- SPDT switching contact output
- High long-term stability and reliability
- IP54-rated housing for industrial environments
- Factory-calibrated for easy installation
- Compact and lightweight design
- Over 1 million switching cycles for extended service life
- Includes air duct connectors and PVC tubing for installation convenience
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model Number | QBM81-3 |
| Part Number | 101001A |
| Pressure Range | 20 – 300 Pa |
| Media | Air and Non-Corrosive Gases |
| Output Type | SPDT Switching Contact |
| Protection Class | IP54 |
| Operating Temperature | -30°C to +85°C |
| Housing Material | Fiberglass Reinforced Polycarbonate |
| Service Life | >1,000,000 Switching Cycles |
| Application | HVAC & Industrial Air Pressure Monitoring |
Applications
- Air Handling Units (AHU)
- HVAC Systems
- Clean Rooms
- Ventilation Duct Monitoring
- Air Filter Condition Monitoring
- Fan and Belt Failure Detection
- Positive & Negative Pressure Monitoring
- Laboratories and Pharmaceutical Facilities
- Commercial Buildings and Industrial Plants
- Building Automation Systems (BMS)
Condition: New-Open Box
Questions about this item
What is the part number of the Siemens Differential Pressure Monitor Switch P/N: QBM81-3, 101001A?
The manufacturer part number is 101001A (Siemens). Compare it with the nameplate of the unit you are replacing. If you are not sure it matches, send us the nameplate photo on WhatsApp or by email and we will help you check.
What condition is this item in?
The listed condition is "New- In Company Packaging". Ask us on WhatsApp or by email if you would like more photos or details before you order.
Is it in stock?
Yes, 20 units are in stock. Orders are dispatched within 1–2 business days of payment.
How much does shipping cost?
Free standard shipping to all countries. Orders are dispatched within 1–2 business days; international delivery takes 10–15 business days. Urgent shipping is available at extra cost — ask us for a quote. Import duties and taxes are paid by the buyer.
Can I return it?
Returns within 30 days of delivery for unused items in original condition with all packaging and accessories. The buyer pays return shipping and a 20% restocking fee applies; defective or wrong items are returned free of charge.
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