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Pressure Switch DG 150TG

  • For monitoring positive air and gas pressures, negative or differential air pressures
  • Adjusting Range: 12 - 60 ″WC (30 - 150 mbar)
  • Gold-plated contacts
  • Accurate, repeatable switching action with low hysteresis
  • Choice of mounting positions
  • One normally open and one normally closed contact in each switch
  • Automatic and manual reset models available
  • Compact construction, easy installation
  • Special models available for oxygen service and low voltage operation
  • FM and UL approved

Learn More:
Documentation   Accessories   Applications   Specifications

Pressure Switch for Gas DG

Price:

Accessories

Model and Description Price Cart
DG/DL ACC 03
Pilot lamp set 110/120 V AC red
Contact Us Not available for online purchase.
DG/DL ACC 04
Pilot lamp set 110/120 V AC blue
Contact Us Not available for online purchase.
DG/DL ACC 05
LED set 24 V DC/AC red/green
Contact Us Not available for online purchase.
DG ACC 06
Connecting set DG..U, DG..T
Contact Us Not available for online purchase.
DG/DL ACC 08
U-angle bracket DG, DL
Contact Us Not available for online purchase.
DG/DL ACC 09
Replacement pressure switch cover (standard, no reset)
Contact Us Not available for online purchase.

Applications

Pressure Switch for Gas DG..T Application For the control of the minimum gas inlet pressure.
Pressure Switch for Gas DG..T Application Negative pressure cut-out for gas (and air) and for low voltages with close position indicator.
Pressure Switch for Gas DG..T Application Electrical safety shut-off valve (SAV) with closed position indication of devices connected downstream.
Pressure Switch for Gas DG..T Application Differential pressure switch for monitoring of air filters.

Specifications

Electrical
Supply voltage: 30 - 240 Vac; 50/60 Hz
(Special "G" models available for voltages below 30 Vac)
Switch contact rating: 5 A resistive or 0.5 A inductive (cos φ = 0.6)
For "G" models, 0.1 A resistive or 0.05 A inductive (cos φ = 0.6)
Short-circuit protection: use 8 A quick-acting fuse
Screw terminals: Maximum wire gauge of 14 - 18 AWG wire
   
pressure switches
½″ NPT conduit connection.
¼″ NPT female connections (2) for pressure (high differential) side of switch.
⅛″ NPT female connection for suction (low differential) side of switch.
11/32″ (9 mm) diameter test hose fitting on pressure (high differential) side of switch.
   
Adjusting Range
DG 6T: 0.2 - 2.4 ″WC (0.6 - 6 mbar)
DG 10T: 0.4 - 4 ″WC (1 - 10 mbar)
DG 50T: 1 - 20 ″WC (2.5 - 50 mbar)
DG 150T: 12 - 60 ″WC (30 - 150 mbar)
DG 500T: 40 - 200 ″WC (100 - 500 mbar)
DG 10HT and DG 10NT: 0.4 - 4 ″WC (1 - 10 mbar)
DG 50HT and DG 50NT: 1 - 20 ″WC (2.5 - 50 mbar)
DG 150HT and DG 150NT: 12 - 60 ″WC (30 - 150 mbar)
DG 500HT and DG 500NT: 40 - 200 ″WC (100 - 500 mbar)
   
Hysteresis, max
DG 6T: 0.12 ″WC (0.3 mbar)
DG 10T: 0.16 ″WC (0.4 mbar)
DG 50T: 0.60 ″WC (1.5 mbar)
DG 150T: 1.60 ″WC (4.0 mbar)
DG 500T: 4.00 ″WC (10.0 mbar)
   
Differential between switching pressure and reset
DG 10HT and DG 10NT: 0.2 - 0.4 ″WC (0.4 - 1 mbar)
DG 50HT and DG 50NT: 0.2 - 0.8 ″WC (0.4 - 2 mbar)
DG 150HT and DG 150NT: 0.2 - 1.6 ″WC (0.4 - 4 mbar)
DG 500HT and DG 500NT: 1.6 - 4.0 ″WC (4.0 - 10 mbar)
   
Operating limits
Ambient and gas temperature
range:
-40° F to 140° F (-40° C to 60° C)
Maximum storage temperature: 158° F (70° C)
Maximum surge pressure: 30 psig (2 bar) for a duration < 15 minutes
   
Dimensions and Weights
Weight: DG 6 to DG 50 models: 0.6 lbs (0.3kg)
DG 150 and DG 500 models: 0.7 lbs (0.33kg)
Dimensions: 3 inches × 3 inches × 2.76 inches
   
Construction Materials
FMDG pressure switch covers: High quality injection-molded plastic.
Switch housings: Glass fiber-reinforced plastic and pressure die-cast aluminum alloy.
Diaphragms: Nitrile rubber
Enclosure: NEMA 3 (IP 54)
 
 

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