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100 Series Type H100 Models 520 to 525 Pressure Switch
Brand: United Electric Controls LtdThe 100 Series is a cost-effective pressure and temperature switch for process plants and OEM equipment.
The rugged, one piece enclosure features a slanted cover for wiring accessibility. A wide variety of microswitch and process-connection options make this versatile series ideal for applications requiring a rugged weather-proof mechanical switch.
Typical applications that utilize the 100 Series are heat tracing, freeze protection, processing equipment (pumps and compressors), inputs for annunciator panels, and fire suppression systems.
Features- Single Switch Output
- Epoxy Coated and Gasketed Cast Aluminum Enclosure Type 4X
- Tamper-Resistant Set Point “Lock”
- Heat Trace and Freeze Protection Thermostats
Specifications
Adjustment Type
- Captive Clamp Screws
- Factory Set (Pre-Set)
- Set Point Adjustment
Ambient Temperature Range
- -18° to 71° C (0° to 160° F), Set Point Typically Shifts less than 1 % of Range for a 28° C (50° F) Ambient Temperature Change
Applications
- Fire Suppression System
- Freeze Protection
- Heat Tracing
- Inputs for Annunciator Panel
- OEM Equipment
- Process Plants
- Processing Equipment (Pumps, Compressors)
Approvals & Certifications
- ISO 9001
Approvals & Certifications
- ATEX Directive (94/9/EC) II 1 G EEx ia IIC T6 Tamb: -50° to 60° C (-58° to 140° F)
- CE
- CRN - Canadian Registration Number
- CSA C22.2 No. 14, File E42272
- GOST-R 51330.0, 51330.1, 51330.10 & 51330.14
- Low Voltage Directive (LVD) 73/23/EC & 93/68/EEC
- PED: 97/23/EC
- UL (C,US) 508
Conduit Connection
- 1/2" NPT Female
Deadband
- inH₂O: 0.1 to 8
- mbar: 0.2 to 19.9
- psi: 0 to 0.216 (kPa: 0.02 to 1.49, Mbar: 0.2 to 14.9)
Diaphragm Material
- 316L Stainless Steel
- Buna-N
- Kapton
- Teflon
- Viton
Electrical Connectors
- 7/8" Diameter Knockout
- 7/8" Hole to 1/2" NPT Female Watertight Conduit Fitting
Electrical Contacts
- Gold Contacts, 1 A at 125 Vac Resistive
- Normally Closed
- Normally Open
Electrical Rating
- 0.5 A Resistive, 0.03 A Inductive at 125 Vdc
- 10 A at 125 Vdc Resistive
- 15 A at 125/250/480 Vac Resistive
- 2 A Resistive, 1 A Inductive at 24-30 Vdc
- 30 A, 125/250/277 Vac Resistive
Enclosure Finish
- Epoxy Powder-Coated
Enclosure, Body Material
- Die Cast Aluminum
Environmental Protection
- Intrinsically Safe
- IP65
- NEMA 4X
Indication
- Red Status Light, 115 Vac
Mounting
- Pipe
- Surface
Name Plate, Tag Material
- Stainless Steel, Paper ID Tag & Wire Attachment
NPT Connection
- 1/2" NPT Female
O-Ring Material
- Buna-N
- Viton
Orifice Size
- 0.72" (18.28 mm) for Clean-Out Purposes
Overpressure & Static Pressure Limits
- Overpressure - psi: 200 (kPa: 1,379, bar: 13.8)
Pressure Type
- Gauge
Process Connection Material
- 316L Stainless Steel
- Epoxy Coated Aluminum
Proof Pressure
- psi: 400 (kPa: 2,758, bar: 27.6)
Repeatability
- Set Point Repeatability: ± 1 % of Adjustable Range
Service
- Oxygen Service Cleaning, Alcohol Cleaning to Remove Residue from the Process Connection
Set Point - Decreasing
- inH₂O: -300 to 250
- kPa: -74.5 to 62.1
- mbar: -746.7 to 622.3
- psi: -10.8 to 9
Set Point - Increasing
- inH₂O: -300 to 250
- kPa: -74.5 to 62.1
- mbar: -746.7 to 622.3
- psi: -10.8 to 9
Shock
- Set Point Repeats after 15 G, 10 ms Duration
Storage Temperature
- -54° to 71° C (-65° to 160° F)
Switch Type
- DPDT, 10 A at 125/250 Vac Resistive
- One SPDT Snap-Action Switch
System Pressure
- bar: 13.79
- kPa: 1,379
- psi: 200
Vibration
- Set Point Repeats after 2.5 G, 5 to 500 Hz