Add a switch to your Model 140-142 DP Gauge

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The 140/142 models are available with either one or two hermetically sealed reed switches for either high alarm, low alarm, or both. The switches are Single Pole Double Throw (SPDT) or Single Pole Single Throw (SPST) with adjustable set points. Switches can be set to activate/deactivate on rising or falling pressure. Factory preset switch at no extra charge (Specify Setting) Specify increasing or decreasing range to be set. EXAMPLE: Set at 10 PSID increasing.

About Switch Products

Factory preset switch at no extra charge (Specify Setting)
Specify increasing or decreasing range to be set.

All switches are field adjustable!

switch140aaswitch140aa

Model 140 shown with "AA" switch option
(1) Reed switch located inside NEMA 4x enclosure with 7 position terminal strip. An opening at rear of enclosure accepts 1/2" flexible weather-proof or conduit connector (supplied by customer).

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Model 142 shown with "BA" switch option
(2) Reed switches located inside NEMA 4x enclosure with 7 position terminal strip. An opening at rear of enclosure accepts 1/2" flexible weather-proof or conduit connector (supplied by customer).

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Model 140 shown with "EA" switch option.
(1) Reed switch in general purpose enclosure Division 2 Hazardous locations with 7 position terminal strip. An opening at rear of enclosure accepts 1/2" flexible weather-proof or conduit connector (supplied by customer).

Bulletins/IOMs

Model 140 - 142 Switch Specifications

The 140/142 model standard switch enclosure is non-corrosive molded plastic that is oil tight, dust tight, and water tight per NEMA 4X. External access to the switch adjustment is provided. A, B, E & F options come with 7 position terminal strip an opening at rear of enclosure accepts 1/2" flexible weather-proof or conduit connector (supplied by customer).

The terminal strip will accept wires in the range of 22 Awg - 16 Awg.
3rd Party Certified Explosion Proof enclosures with SPDT or SPST switches rated Class I, Groups C & D,
Class II, Groups E, F, & G and 4-20mA transmitter are available.
Please contact Mid-West direct at 1-800-648-5778.

OPTION

MODEL 140 & 142 ELECTRICAL SWITCH CONFIGURATIONS (CE marked)
A One (1) Reed switch in NEMA 4X/IP65 enclosure.
B Two (2) Reed switches in NEMA 4X/IP65 enclosure.
E One (1) Reed switch in NEMA 4X/IP65 aluminum enclosure.
Division 2 Hazardous Locations (3)
F Two (2) Reed switches in NEMA 4X/IP65 aluminum enclosure.
Division 2 Hazardous Locations (3)
  (3) Complete assembly 3rd Party Certified Class I, Division 2, Groups A, B, C, & D; Class II, Division 2, Groups F & G.

(1) & (2) switch Div l Hazardous locations and 4-20 mA Transmitter NEMA 4X/IP66 or
Div ll Hazardous locations also available.
Please contact Mid-West at 1-800-648-5778.

 

OPTION

ELECTRICAL SPECIFICATIONS (For Resistive Loads)
A SPDT 3W, 0.25 Amp, 125 VAC/VDC (standard) (adjustable 15-90% of full scale range)

SPST 25W 0.5 Amp 230 VAC/VDC and 4-20 mA (8-28 Vdc) Transmitter available.
Please contact Mid-West at 1-800-648-5778

 

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