CONDITION : NEW – OPEN BOX

Key Specifications & Features

1. Model & Part Number

   • Base Model: ESE-1M

   • Full P/N: SA-3753-M-2 (indicates specific configuration/options)

   • Type: Solid-state speed switch with programmable thresholds

2. Speed Monitoring

   • Input Signal: Accepts magnetic pickup (MPU) or proximity probe signals

     • Frequency Range: 1 Hz to 12 kHz (typical)

     • Pulses/Revolution: Configurable (1–60 pulses)

   • Speed Thresholds:

     • Adjustable trip points for under/overspeed protection

     • Typical range: 50–20,000 RPM (depends on sensor setup)

3. Outputs & Control

   • Relay Outputs: 2–4 SPDT (Form C) relays

     • Configurable for trip, alarm, or run status

     • Rating: 5A @ 30V DC / 250V AC

   • Analog Output (Optional): 4–20mA or 0–10V speed signal

4. Power & Environmental

   • Supply Voltage: 18–32V DC (24V DC typical)

   • Operating Temp: -40°C to +85°C (-40°F to +185°F)

   • Enclosure: NEMA 4X (IP66) for harsh environments

5. Programming & Indicators

   • Front-Panel Interface:

     • LED status indicators (power, speed, alarms)

     • Pushbuttons for local configuration

   • Adjustable Parameters:

     • Trip delays (0.1–30 sec)

     • Hysteresis (1–10% of setpoint)

Typical Applications

• Turbine Protection: Overspeed shutdown for steam/gas turbines

• Engine Monitoring: Diesel/gas engine speed safety

• Industrial Machinery: Conveyors, pumps, compressors