Level Switch Single PT , NH3 10 AMP SPDT RLY, 115V50/60H - Hansen

The Hansen SPSN-1 is a Single Point Level Switch designed for use with ammonia (NH₃) refrigerant systems. Here are the key specifications and features:

Product Overview

• Model: SPSN-1
• Function: Single Point Level Switch
• Refrigerant Compatibility: NH₃ (Ammonia), R22, R134a, R404A, R507, and other Hansen-approved refrigerants
• Electrical Rating: 10 AMP SPDT Relay, 115V, 50/60 Hz
• Output:
  • Low-voltage signal for PLCs, computers, and solid-state relays
  • Relay output for solenoids, alarms, and direct control systems

Features

• Capacitance-type sensing (non-optic, no moving parts)
• Plug-in electronics
• Stainless steel probe body
• Suitable for low refrigerant temperatures
• Immune to normal splashing or oil coating
• Applications: Refrigerant vessels, compressor packages, pump packages, and flooded evaporators

Dimensions

• Approximate size: 3" (W) x 3" (H) x 9" (L)
• Weight: ~2 lbs