Mars 43365 High Pressure Switch R410A SPST 590 PSI Open 418 PSI Close Auto Reset

The Mars 43365 is a high-pressure cutout switch designed for HVAC and refrigeration systems, featuring SPST normally closed contacts rated at 6 amps, 24-240 volts. This 4-Series Klixon pressure switch covers R410A applications along with traditional pressure setting switches, providing reliable protection for air conditioning and heat pump systems.

Key Specifications:

• Opens at 590 PSI on pressure rise, closes (resets) at 418 PSI automatically
• SPST switch type with auto reset functionality
• 6 amp contact rating at 24-240 volts AC
• 5.8 FLA - 34.8 LRA @ 120 VAC, 2.9 FLA - 15.0 LRA @ 240 VAC
• 1/4 inch female flare connection with deflator
• 45 inch black XLP wire leads with 1/2 inch stripped ends
• 5000 PSI burst pressure rating

Design Features:

• Hermetically sealed sensor with factory preset pressures
• Compact, lightweight design for direct mounting
• Tamper-proof construction
• Pressure setting range: ±15 PSI
• Ambient temperature range: 20°F to 176°F (-30°C to 80°C); Fluid temperature range: 60°F to 250°F (-50°C to 120°C)
• UL and cUL listed
• 100,000 cycle life at rated current

MARS pressure switches deliver the reliability and performance that makes them the most trusted electromechanical sensor, ideal for protecting HVAC compressors and refrigeration systems from dangerous high-pressure conditions.