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Process Control Instrumentation, Field Devices and Industrial Automation



Intec DBSL Duct Air Flow Switch for Air and non aggressive gases. Stainless Steel paddle. NEMA 1 or 4 Housing. Single-stage operation. 1 or 2 SPDT outputs. IP40 or IP65.

Part# with Options:        DBSL-1EPL-1US
Price with Options:        77.98


(1) Housing for Intec DBSL

  Availability 2 Weeks  ]


Duct air flow switches.


Control and monitor air and non aggressive gases flow in ducts, chambers, etc., of heating, cooling, and air conditioning equipment.

  • NEMA 1 & 4 housing
  • Cut-in and cut-out
  • Stainless steel paddle
  • Brass level

Type of operationOn/Off, single-stage, micro switch
Output1 SPDT, or 2 SPDT, 24/250 VAC, 15 (8) A
Cut-out Flow rate switchingMin. 197 ft/min (1.0 m/sec)*
Max. 1,575 ft/min (8.0 m/sec)
Cut-in Flow rate switchingMin. 492 ft/min (2.5 m/sec)
Max. 1,811 ft/min (9.2 m/sec)
Flow rate setting adjustmentInternal screw
Sensing elementPaddle
Paddle size3.2 x 6.9 in. (80 x 175 mm)
Paddle w/level - Length7.9 in. (200 mm)
Flow applicationsAir and non aggressive gases
Paddle materialStainless steel
Paddle level materialBrass
Permissible ambient temperatureHousing: -40F to 185F (-40C to 85C)
Paddle: 14F to 185F (-10C to 85C)
Permissible ambient humidity10...90% RH, non-condensing
Wire ConnectionTerminal with wire retaining screws
Wire SizeMaximum 14 AWG (2.5 mm 2 )
Cable entryM20 fitting, replaceable by 1/2" conduit connector
Housing MaterialBase: Steel, galvanized
Cover: ABS, fire retardant
Housing ColorDark gray/blue
Housing ProtectionNEMA 1 (IP 40), or NEMA 4 (IP 65)
Housing Dimensions4.3 x 2.8 x 2.8 in. (108 x 70 x 72 mm)
InstallationDuct mounted
Ship weight1.6 lb (0.7 kg)

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> NEMA-1 OR NEMA-4 (IP40 IP65) :    1 Items found.


Intec DBSF Watertight liquid flow Switch with adjustable setpoint. Stainless Steel paddle. NEMA 1 or 4 Housing. Single-stage operation. 1 or 2 SPDT outputs. IP40 or IP65.