About Huba Control Differential Pressure Switch Model 604.99957 Range 0.2....3 Mbar

Huba Control Differential Pressure Switch Model 604.99957 Range 0.2....3 Mbar
- Model : 604.99957
- Range : 0.2....3 Mbar
- Max : 50 Mbar ( -30T85 )
- Max : 50 Mbar ( -30T75 )
- Made In Switzerland
The Pressure Switches of Type 604 Monitor Filters and Fans in Ventilation Ducts As Well As Air Dampers In Primary/Secondary Controls in p Function The Series Divided Into Five Pressure Range Gradations Impresses With Extreme Ease Of Installation Combination Brackets,Snap-On Covers,And Screw Terminals.Unique Is The High Adjustment Accuracy Through Individual Scale Engraving
- Easy To Install
- User-Friendly Snap Closure For The Cover
- Cable Entry Aid
- Cable Strain Relief Integrated Into PG11
- Combination Bracket For Vertical Or Horizontal Mounting
- High Adjustment Accuracy Through Individual Scale Engraving Per Switch
- Long-Term Stable Switching Points Through Trapezoidal Bead Membrane
- Multilayer Contact With Gold Plating
Product Feature
- Pressure Measuring Range:0...50 Mbar Relative & Difference
- Sensor Weight:143g With Type C combination bracket
Field Of Application
- Media:Air Neutral Gas
- Medium Temperature:-30...85C
- Permissible Overload On One Side:75 Mbar-30...75C 50 Mbar-30...85C
Ambient Condition
- Ambient Temperature:-30... 85C
- Storage Temperature:-40...85C
Material
- Housing With Media Contact:PC 10% GF
- Measuring Element With Media Contact:Silicone LSR Tempered At 200C,Outgassing-Free
- Cover With Media Contact:PC
Electrical Data
- Switching Load:5 A at 250 VAC
- Resistive Switching Load:4 A at 30 VDC
- Inductive Switching Load:0.8 A at 250 VAC 0.7 A at 30 VDC
- Switching Load GAR Application:1 A at 250 VAC 0.2 A at 30 VDC
- Contact System:Changeover Switch
- Lifespan:>10000000 Schaltspiele Mechanical
Installation Guide
- Installation Orientationany:Any Recommendation Vertical Pressure Connections Downwards Factory Adjustment Any Recommendation Horizontal Cover Down Switching Points Are Approx 11 Pa Lower Than The Set Scale Value Any Recommendation Horizontal Cover Upward Switching Points Are Approx 11 Pa Higher Than The Set Scale Value
Approval
- UL:MFHX2/8 Or XAAK2/8
- DVGW:According to DIN EN 1854
- Low Voltage Directive:2014/35/EU
- Gas Appliances Directive:2016/426/EU
Applications
- AHU
- CRAC
- MOBILE HYDRAULIC
Accessories
- Connection Set Straight:For Ventilation Duct Including 2 M Hose Plastic
- Angle Type B
- Combination Bracket Type C
- Snap Ring:For Angle A,B,C Or Direct Mounting For Wall Thickness 1.8...2.1 MM
- Snap Ring:For Angle A,B,C Or Direct Mounting For Wall Thickness 0.8...1.1 MM
- Angle Type A
- Fastening Screw:For Wall Thickness 1-2 MM Screw Length 6 MM Min 2 Screws Required
- Connection Set 90 Angled:For Ventilation Duct Including 2 M Hose Metal
- Calibration Certificate
- Mounting Ring
- Closed Fastening Ring
Additional Information:

Reliable Low Pressure MonitoringThe Huba Control Model 604.99957 provides highly sensitive and accurate detection of low differential pressures, making it the perfect choice for applications requiring dependable monitoring of air or neutral gases. Its adjustable switch point ensures versatility for diverse industrial requirements.
Durable and Versatile ConstructionBuilt with a flame-retardant plastic housing and IP54 protection, this pressure switch is designed to withstand challenging environments. Compatible with any mounting orientation, it offers installation flexibility for system designers and maintenance engineers alike.
Efficient and Safe Electrical PerformanceEquipped with silver alloy (AgNi) contacts, this switch handles up to 6A at 250V AC or 1A at 24V DC, providing reliable switching for a range of control systems. Screw terminal connections make wiring secure and straightforward, ensuring lasting performance.
FAQ's of Huba Control Differential Pressure Switch Model 604.99957 Range 0.2....3 Mbar:
Q: How do I adjust the switch point on the Huba Control Differential Pressure Switch Model 604.99957?
A: The switch point can be manually set within the range of 0.2 to 3 mbar, allowing you to tailor the device for your specific pressure monitoring needs. Detailed adjustment instructions are provided in the user manual.
Q: What types of media can this pressure switch safely monitor?
A: This model is designed for use with air or neutral gaseous media only, making it suitable for industrial gas or ventilation system applications.
Q: When is it beneficial to use the Huba 604.99957 differential pressure switch?
A: It is especially advantageous for supervising and controlling low-pressure conditions in HVAC systems, cleanrooms, or filter monitoring, where precise differentiation and quick response are crucial.
Q: Where can I install this pressure switch for optimal performance?
A: Thanks to its versatile design, the device can be mounted in any position. This flexibility saves installation time and suits various equipment layouts in industrial and commercial environments.
Q: What is the process for connecting the Huba 604.99957 electrically?
A: Electrical connections are made via secure screw terminals, which accommodate common wiring practices and ensure a robust electrical interface. Refer to the supplied wiring diagram for correct installation.
Q: How does this product enhance system reliability and maintenance?
A: With a mechanical life exceeding 10 million switching cycles, IP54 protection, and flame-retardant construction, this pressure switch promotes operational safety, reliability, and minimizes maintenance requirements.