Q Series Adjustable Pressure Switches for Pumps -0.5 to 30 bar Range with 16.5-33 bar Max Bellows Pressure
Price:
$7-$10/pic
MOQ:
10
Delivery Time:
7 days
Brand:
KeramControls
Product Description
Product Overview
These -0.5~3bar adjustable pressure switches provide reliable pump control and machine protection by automatically starting or stopping equipment based on preset pressure thresholds. When system pressure exceeds the set point, the microswitch contacts open or close to control circuit operation.
Key Features
- Compatible with fluorinated refrigerants, air, and liquids (-20 to 120°C)
- Adjustable range and differential pressure settings
- Reliable SPDT micro-switch with automatic and manual reset options
- Flexible mounting bracket for various applications
- Optional IP44 upper lid for enhanced protection
- Copper bellows and brass pressure interface materials
- Available in drip-proof and explosion-proof enclosures
- CE certified for quality assurance
Technical Specifications
| Model | Range (bar) | Differential (bar) | Factory Setting (bar) | Max Bellows Pressure (bar) |
|---|---|---|---|---|
| Q3 | -0.5 to 3 | 0.35 to 1.5 | OFF: 2, ON: 1 | 16.5 |
| Q6 | -0.5 to 6 | 0.6 to 4 | OFF: 3, ON: 2 | 16.5 |
| Q6M | -0.5 to 6 | ≤1 to 3 | Manual reset | 16.5 |
| Q10 | 1 to 10 | 1 to 3 | OFF: 6, ON: 5 | 16.5 |
| Q16 | 5 to 16 | 1 to 4 | OFF: 10, ON: 8 | 33 |
| Q20 | 5 to 20 | 2 to 5 | OFF: 16, ON: 3 | 33 |
| Q30D | 5 to 30 | 3 to 10 | OFF: 20, ON: 15 | 33 |
| Q30 | 6 to 30 | 3-5 (fixed) | OFF: 20, ON: 15-17 | 33 |
| Q30M | 6 to 30 | ≤4 | Manual reset | 33 |
Note: Calibration available in bar & psig, or Mpa & kgf/cm² on request. Connection options include British Flare (E), solder (C), and capillary (S).
Electrical Ratings
| Current Type | 125V AC | 250V AC | 24V DC |
|---|---|---|---|
| Non-Inductive Current | 20A | 10A | 10A |
| Inductive Current (Full Load) | 15A | 8A | 8A |
| Locked Rotor | 72A | 64A | - |
Product Dimensions
Electrical Wiring Diagrams
Frequently Asked Questions
What's the delivery time?
Standard products within 10 pieces typically ship in 4 days.
Are you a manufacturer or trading company?
We are an experienced manufacturer with our own factory facilities.
Can we use our logo on the products?
Yes, we provide OEM services for custom branding.
Do you have products with ex-proof certificate?
Yes, we offer intrinsic-safety and flame proof certified models.
What is the warranty of your products?
Standard warranty period is 12 months.
What's the means of transport?
Available via express carriers (TNT, Fedex, DHL, UPS) or logistics services.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
Location
Room 402, Block A, Building 12#, LianDong U Valley, No. 1 Qingnian Road, Yuhuatai District, Nanjing City, Jiangsu Province, China, 210039
Contact Person
James