MARS 43305 Pressure Switch
The MARS 43305 Pressure Switch is a high-performance condenser fan cycling switch engineered for precision control in HVACR refrigeration units and air conditioning systems. Featuring a Single Pole Single Throw (SPST) configuration, this switch is designed to open on pressure fall at 190 PSI and close on pressure rise at 275 PSI. Built with a hermetically sealed sensor and tamper-proof construction, it provides reliable fan cycling control in demanding low ambient conditions. The MARS 43305 is rated for 6 amps at 24-240V and simplifies installation through a direct mounting 1/4" female flare S.A.E. connection with a built-in deflator and 18-inch leads. Its compact, lightweight design makes it a standard choice for technicians seeking a durable automatic reset pressure switch compatible with R410A applications and traditional refrigerants. This fixed setting pressure control ensures optimal head pressure management to maintain system efficiency and protect internal components.
Key Benefits for Technicians- Factory-calibrated setpoints (190 PSI Open / 275 PSI Close) ensure consistent head pressure control without the need for field adjustment.
- Direct mounting design on 1/4" S.A.E. flare fittings reduces installation time and minimizes potential leak points in the refrigerant line.
- Robust electrical rating of 6 amps at up to 240V provides broad compatibility across various condenser fan motor circuits.
- Hermetically sealed internals protect the electrical contacts from moisture, dust, and vibration, ensuring a long service life in outdoor environments.
- Universal applicability for HVAC/R, commercial refrigeration, and heat pump systems using R410A or R22.
- Does this switch support automatic reset? Yes, the MARS 43305 features an auto-reset function that restores the circuit once the rising pressure reaches the 275 PSI threshold.
- What is the connection type for this part? It utilizes a 1/4" female flare S.A.E. mounting with an integrated deflator, allowing it to be threaded directly onto a standard access port.
- Can this be used for R410A high-pressure systems? This specific model is designed for fan cycling within the 190-275 PSI range; always verify your system's required cut-in and cut-out specs before installation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $53.86
-65%$53.86
$18.85MARS 43305 Pressure Switch
The MARS 43305 Pressure Switch is a high-performance condenser fan cycling switch engineered for precision control in HVACR refrigeration units and air conditioning systems. Featuring a Single Pole Single Throw (SPST) configuration, this switch is designed to open on pressure fall at 190 PSI and close on pressure rise at 275 PSI. Built with a hermetically sealed sensor and tamper-proof construction, it provides reliable fan cycling control in demanding low ambient conditions. The MARS 43305 is rated for 6 amps at 24-240V and simplifies installation through a direct mounting 1/4" female flare S.A.E. connection with a built-in deflator and 18-inch leads. Its compact, lightweight design makes it a standard choice for technicians seeking a durable automatic reset pressure switch compatible with R410A applications and traditional refrigerants. This fixed setting pressure control ensures optimal head pressure management to maintain system efficiency and protect internal components.
Key Benefits for Technicians- Factory-calibrated setpoints (190 PSI Open / 275 PSI Close) ensure consistent head pressure control without the need for field adjustment.
- Direct mounting design on 1/4" S.A.E. flare fittings reduces installation time and minimizes potential leak points in the refrigerant line.
- Robust electrical rating of 6 amps at up to 240V provides broad compatibility across various condenser fan motor circuits.
- Hermetically sealed internals protect the electrical contacts from moisture, dust, and vibration, ensuring a long service life in outdoor environments.
- Universal applicability for HVAC/R, commercial refrigeration, and heat pump systems using R410A or R22.
- Does this switch support automatic reset? Yes, the MARS 43305 features an auto-reset function that restores the circuit once the rising pressure reaches the 275 PSI threshold.
- What is the connection type for this part? It utilizes a 1/4" female flare S.A.E. mounting with an integrated deflator, allowing it to be threaded directly onto a standard access port.
- Can this be used for R410A high-pressure systems? This specific model is designed for fan cycling within the 190-275 PSI range; always verify your system's required cut-in and cut-out specs before installation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The MARS 43305 Pressure Switch is a high-performance condenser fan cycling switch engineered for precision control in HVACR refrigeration units and air conditioning systems. Featuring a Single Pole Single Throw (SPST) configuration, this switch is designed to open on pressure fall at 190 PSI and close on pressure rise at 275 PSI. Built with a hermetically sealed sensor and tamper-proof construction, it provides reliable fan cycling control in demanding low ambient conditions. The MARS 43305 is rated for 6 amps at 24-240V and simplifies installation through a direct mounting 1/4" female flare S.A.E. connection with a built-in deflator and 18-inch leads. Its compact, lightweight design makes it a standard choice for technicians seeking a durable automatic reset pressure switch compatible with R410A applications and traditional refrigerants. This fixed setting pressure control ensures optimal head pressure management to maintain system efficiency and protect internal components.
Key Benefits for Technicians- Factory-calibrated setpoints (190 PSI Open / 275 PSI Close) ensure consistent head pressure control without the need for field adjustment.
- Direct mounting design on 1/4" S.A.E. flare fittings reduces installation time and minimizes potential leak points in the refrigerant line.
- Robust electrical rating of 6 amps at up to 240V provides broad compatibility across various condenser fan motor circuits.
- Hermetically sealed internals protect the electrical contacts from moisture, dust, and vibration, ensuring a long service life in outdoor environments.
- Universal applicability for HVAC/R, commercial refrigeration, and heat pump systems using R410A or R22.
- Does this switch support automatic reset? Yes, the MARS 43305 features an auto-reset function that restores the circuit once the rising pressure reaches the 275 PSI threshold.
- What is the connection type for this part? It utilizes a 1/4" female flare S.A.E. mounting with an integrated deflator, allowing it to be threaded directly onto a standard access port.
- Can this be used for R410A high-pressure systems? This specific model is designed for fan cycling within the 190-275 PSI range; always verify your system's required cut-in and cut-out specs before installation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
