Johnson Controls P170AB-12C Pressure Control

Johnson Controls P170AB-12C Pressure Control is an adjustable differential switch designed for refrigeration and low-pressure systems. It covers an operating range from 12 inHg to 80 psi and offers an adjustable differential of 5 to 35 psi, enabling precise pressure control to protect compressors and coils.

With SPST contacts and a compact NEMA 1 enclosure, this unit provides dependable on/off operation in tight spaces. A 1/4 inch male flare connection ensures simple piping integration across common refrigeration lines, making it a practical choice for modern HVAC setups.

Electrical ratings span multiple voltages and currents for flexible installations, including 120 V AC up to 24 A (2 HP), 208 V AC up to 18.7 A (3 HP), and 240 V AC up to 17 A (3 HP), plus broader AC/DC capabilities up to 600 V AC 125 VA and 300 V DC 57.5 VA. This makes the P170AB-12C suitable for a range of commercial and industrial applications requiring reliable pressure limiting.

• Type: Adjustable Differential
• Operating range: 12 inHg to 80 psi
• Differential range: 5 to 35 psi
• Contact configuration: SPST
• Electrical ratings: 120 V AC 24 A (2 HP); 208 V AC 18.7 A (3 HP); 240 V AC 17 A (3 HP); 120–600 V AC 125 VA; 120–300 V DC 57.5 VA
• Enclosure: NEMA 1
• Connection: 1/4 inch male flare