System Sensor EPSA120 Series supervisory pressure switches are intended for dry pipe systems or pressure tanks and water supplies of automatic water control valves. This model offers a choice of initiating low or high/low pressure monitoring alarms, in a variety of pressure ranges.
The EPSA120-2 is a field-adjustable pressure switch that provides an alarm response between 10 and 200 PSI. It includes two SPDT switches. NEMA 4 Rated.
• Contact Ratings:
- 10 A, 1 / 2 HP @ 125/250 VAC
- 2.5A @ 6/12/24 VDC
• Operating Temperature Range: –40°F to +160°F
• Maximum Service Pressure: 250 PSI
• Adjustment Range: SW2 (Min.) 10 PSI; SW1 (Max.) 200 PSI
• Enclosure Rating:
- UL 4x - Indoor or Outdoor Use
- NEMA 4 - Indoor or Outdoor Use
• Approximate Differential Limits: 3 PSI at 10 PSI - 9 PSI at 200 PSI
