UNITED ELECTRIC E122-2BSB PRESSURE SWITCH 480VAC

1. General Overview

• Manufacturer: United Electric Controls (UE)

• Model: E122-2BSB

• Type: Dual temperature/pressure switch

• Function: Monitors and controls pressure or temperature changes in industrial systems

• Typical Applications: Process control, HVAC, power generation, oil & gas, and industrial automation

2. Key Features

• Dual independent setpoints for precision monitoring

• Rugged, explosion-proof construction

• External adjustment reference dial for easy calibration

• Compact design suitable for harsh or hazardous environments

• Long service life and stable performance

• Compatible with various process media

3. Technical Specifications

• Switch Type: Dual SPDT (Single-Pole Double-Throw)

• Electrical Rating: 15 A at 480 VAC

• Enclosure Rating: NEMA 4X / explosion-proof

• Pressure/Temperature Range: Factory-calibrated; typical range 30°F to 250°F (model-dependent)

• Set Point Adjustment: External screw with reference dial

• Capillary/Bulb Material: 304 stainless steel

• Mounting Orientation: Flexible—wall or surface mount

4. Construction Materials

• Enclosure: Aluminum or stainless steel housing

• Wetted Parts: 304 stainless steel

• Seals: High-temperature elastomers

5. Electrical Details

• Contacts: Dual SPDT

• Voltage Rating: Up to 480 VAC

• Current Rating: 15 A resistive load

• Connection Type: Screw terminal or conduit entry