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Model 220

The Model 220 carries global certifications from CSA, UL, and ATEX. The piston style Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. Certified to ATEX directive Ex d, IIB + H2 with an IP65 rating.

Mid-West Instruments new Hazardous Locations "Delta P" switches are provided with a field wireable terminal strip. The terminal strip eliminates the need to add a costly explosion-proof junction box near the switch. Multiple outputs are available ranging from low power reed switches to higher load switching relay outputs.

Features and Benefits
A competitively priced Indicating Differential Pressure Switch for use in measuring the pressure drop across filters, strainers, separators, valves, and pumps in Hazardous Locations.

Simple, Rugged, Compact Design

Working Pressure 3000 PSIG (200 bar)

Over-range Protection to Maximum Presssure

Captive Cover Screws

The Entire Assembly is Certified for Hazardous Locations

Type	SPST **	SPDT	SPDT	DPDT Relay
ELEC Spec.	A	A	A	B,C,D,E,F,G, H
Output Option Code	E ,F,G	H	A	R
†Power	60 W	60 W	3W	N/A
Max. Current	3.0 Amps	1.0 Amps	0.25 Amps	10 Amps
Max. Voltage VAC/VDC	240	240	125	277 / 30
Setting (%F.S.)	15% to 95%	25% to 90%	10% to 90%	15% to 90%
Hysteresis (Max/Nom)	20%/9% (F.S.)	20%/18% (F.S.)	10%/6% (F.S.)	20%/10% (F.S.)
Repeatability	1% F.S.	1% F.S.	1% F.S.	1% F.S.