Supco SLP1535 Low Pressure Switch 15-35 PSI Automatic Reset SPST

The Supco SLP1535 is a high-precision low pressure control switch designed for refrigeration, air conditioning, and heat pump systems. This encapsulated, non-adjustable switch opens on pressure fall at 15 PSI and closes at 35 PSI, providing reliable system protection with a ±5 PSI tolerance.

Key Features:

• Single pole, single throw (SPST) design opens on pressure fall for low-side protection
• Automatic reset functionality for convenient operation
• Snap-acting stainless steel hermetically sealed sensor for durability
• 1/4" SAE 45° female flare fitting with integrated valve core depressor
• Compatible with all refrigerants including HFC, HCFC, CFC, and new A2L refrigerants
• Rated for 24/120/240 VAC at 50/60 Hz (6 RLA, 36 LRA)
• Rated life of 100,000 cycles at rated load
• 18 AWG leads, 18" long for flexible installation

Specifications:

• Operating pressure range: 0 to 650 PSI
• Burst pressure: 5,000 PSI
• Ambient temperature range: -31°F to 248°F (-35°C to 120°C)
• Fluid temperature range: -60°F to 250°F (-50°C to 120°C)
• Compact, lightweight design for direct mounting applications
• UL Recognized and CE certified

This tamper-proof switch features excellent set point repeatability and stability, making it ideal for use as a low pressure cutout or low ambient condenser fan control. The small form factor and direct mount design simplify installation in tight spaces.