Johnson Controls P28AA-18C Lube Oil Pressure Cutout Control with 45 Second Delay

Product Description

The Johnson Controls P28AA-18C is designed for oil pressure cutout in refrigeration compressors. The P28AA-18C provides a reliable and economical solution for protecting pressure-lubricated refrigeration systems.

• Features a 45-second time delay.
• Compatible with ambient compensation.
• Manual reset option included.

Product Highlights

This lube oil pressure cutout control device includes a time delay relay with ambient compensation to minimize timing fluctuations due to temperature changes. It also has a trip-free manual reset that cannot be overridden by pressing and holding the reset button. The replaceable time delay relay assembly allows easy replacement in the field, and it is available with runlight and alarm terminals for remote oil pressure monitoring.

Product Information

Standard Information

• Item Type: Lube Oil Protection Control
• Country of Origin: Mexico

Technical Specifications

• Adjustable Cut-out Pressure Difference: 8 to 70 psi
• Maximum Differential: 70 psi
• Maximum Working Pressure: 250 psig (high side)
• Maximum Overpressure: 325 psi (oil and low side)
• Pressure Switch Units: Enclosed Dust-protected Pennswitch
• Ambient Operating Conditions: 32 to 104°F or 0 to 40°C
• Mounting: Flat Surface or with Universal Mounting Bracket (Part No. 271-51)
• Wiring Terminal: Large 8-32 x 1/4 inch Binder Head Screws
• Dimensions: 5.66 x 5.32 x 2.09 inches (144 x 135 x 53 mm)