Dwyer Mercoid Switches
Simple and Effective

The industry standard for protecting your blowers from overpressure protection!

Instruction Sheet

 

MERCOID SWITCH OVERVIEW

Simple and effective used for overpressure protection for your blowers and other equipment. Equipped with 2 external adjustments one for setting high pressure operating point and the other for setting low pressure operating point. Dead band is adjustable over the full scale. Each unit has a SPDT 15A @120/240VAC Relay. Available with or without mercury switch and in an indoor version or outdoor version.

DUE TO STATE LAWS REGARDING THE SHIPMENT OF MERCURY WE CAN NO LONGER OFFER MERCOID SWITCHES CONTAINING MERCURY.  PLEASE REFER TO THE ABOVE SNAP SWITCHES AS REPLACEMENTS.

 

PURCHASE MERCOID SWITCHES

ITEM NUMBER DESCRIPTION PRICE
MERCURY FREE SNAP ACTION WITH INDOOR ENCLOSURE

QTY WDWDA70311535

Range 2 to 60 Minimum Dead band 6 PSI
$305.00

QTY WDWDA70311536

Range 5 to 100 Minimum Dead Band 9 PSI
$0.00

QTY WDWDA70311537

Range 5 to 150 Minimum Dead Band 16 PSI
$0.00

QTY WDWDA70311538

Range 10 to 200 Minimum Dead Band 16 PSI
$0.00

MERCURY FREE SNAP ACTION WITH OUTDOOR WEATHERPROOF ENCLOSURE

QTY WDWDAW70331535

Range 2 to 60 Minimum Dead band 6 PSI
$0.00

QTY WDWDAW70331536

Range 5 to 100 Minimum Dead Band 9 PSI
$0.00

QTY WDWDAW70331537

Range 5 to 150 Minimum Dead Band 16 PSI
$0.00

QTY WDWDAW70331538

Range 10 to 200 Minimum Dead Band 16 PSI
$0.00