
( Brand: Johnson Controls ), ( Manufacturer Part Number: P20DA-117 ), ( Part Type: Pressure Switch ), ( Country/region Of Manufacture: Mexico ), ( Nsn: 5930-00-275-7800 ), ( Inside Diameter: 0.250 Inches Nominal Single Connection ), ( Overall Length: 3.344 Inches Nominal ), ( Outside Diameter: 0.375 Inches Nominal Single Connection ), ( Overall Height: 1.125 Inches Maximum ), ( Overall Width: 2.703 Inches Nominal ), ( Distance Between Mounting Centers: 0.688 Inches Nominal ), ( Pressure Switch Type: Gage ), ( Mounting Method: Flush And Threaded Hole ), ( Features Provided: Electrical Access Port ), ( Contact Action Stimulus: Decrease ), ( Proof Pressure: 500.00 Pounds Per Square Inch Gage ), ( Mounting Facility Pattern: Two Position In-line ), ( Nonpile-up Contact Arrangement: 1 Pole, Single Throw, Normally Closed, Moment Act ), ( Sensing Element Burst Pressure: 1800.00 Pounds Per Square Inch Gage ), ( Terminal Type: Screw ), ( Contact Load Current Rating: 3.0 Amperes Resistive Load 1st Valtage/9.2 2nd/16.0 3rd ), ( Contact Adjustability: Not Adjustable ), ( Contact Voltage Rating In Volts: 240.0 Ac 1st / 208.0 Ac 2nd / 120.0 Ac 3rd )
The P20DA-117 Johnson Pressure Switch is a crucial component in the operation of an aircraft's air conditioning system. This pressure switch is designed to monitor and control the pressure within the air conditioning system, ensuring optimal performance and preventing potential damage.
The P20DA-117 is a pneumatic switch, meaning it operates using air pressure. It features a robust, anodized aluminum construction, which not only adds to its durability but also helps it withstand the harsh environmental conditions typically encountered in aircraft. The switch has a pressure range of 0 to 100 PSI (pounds per square inch), making it suitable for various air conditioning system configurations.
The P20DA-117 features a set-point adjustment mechanism, allowing the user to customize the switch's activation point to meet the specific needs of their aircraft's air conditioning system. Once the set point is reached, the switch will activate a relay, sending an electrical signal to the air conditioning system to take the necessary action.
The switch also includes a built-in LED indicator light, which provides real-time status information. When the switch is in the "normal" position, the light will be off. However, when the set point is reached and the switch activates, the light will illuminate, signaling that action is needed in the air conditioning system.
The P20DA-117 Johnson Pressure Switch is easy to install, with clear mounting instructions and a simple wiring diagram included in the packaging. It is designed to be a direct replacement for most existing aircraft air conditioning system pressure switches, making it a convenient and cost-effective upgrade.
In summary, the P20DA-117 Johnson Pressure Switch is a reliable and versatile component that plays a vital role in the proper function of an aircraft's air conditioning system. Its robust construction, adjustable set point, and clear indication features make it an excellent choice for both commercial and private aircraft operators.
Pros of buying a P20DA-117 Johnson Pressure Switch for an aircraft air conditioner:1. Reliable: Johnson is a well-known brand in the aviation industry, and this pressure switch is designed to handle the rigors of aircraft use.
2. Durable: The switch is built to withstand harsh environmental conditions, including vibration and moisture.
3. Easy to Install: The P20DA-117 is simple to install, and it requires minimal wiring.
4. Cost-Effective: Compared to other pressure switches on the market, this one is relatively affordable.
Cons of buying a P20DA-117 Johnson Pressure Switch for an aircraft air conditioner:1. Limited Compatibility: This pressure switch may not be compatible with all aircraft air conditioning systems, so it's important to check the specifications before purchasing.
2. Limited Customization: The P20DA-117 comes with pre-set pressure and temperature settings, which may not be suitable for all aircraft.
3. Limited Warranty: Johnson's warranty for this pressure switch is shorter than some of its competitors, which may be a concern for some customers.
In conclusion, the P20DA-117 Johnson Pressure Switch is a reliable and durable option for aircraft air conditioning systems. It's easy to install and cost-effective, but it may not be compatible with all systems, and it has limited customization options. If you're looking for a simple and affordable solution for your aircraft air conditioning system, this pressure switch may be a suitable option. However, it's important to consider the specifications of your aircraft and the warranty coverage before making a purchase.
Recommendation: If you're looking for a reliable and durable pressure switch for your aircraft air conditioning system, the P20DA-117 Johnson Pressure Switch is a good option. However, it's important to check the compatibility with your specific aircraft and consider the warranty coverage before making a purchase. If you need a pressure switch with more customization options or a longer warranty, you may want to explore other options on the market.
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Deactivation point nominal pounds per square inch gage and 45. Actuation point nominal pounds per square inch gage and 460. Ac at sea level third voltage rating in volts 208. Features: stimulus rating415.
0 ac at sea level second voltage rating in volts 240. Differential point nominal pounds per square inch voltage rating in volts 120.