Lefoo Specification of Air Pressure Switch LF31

Model	LF31
Medium	Air, products of combustion, L.P., or natural gas
Operating Pressure Range	0.15" W.C. to 34" W.C.
Proof Pressure	100" W.C. (3.6PSI)
Operating Temperature	-40° C to 85° C
Contact Arrangement	SPST or SPDT
Electric Rating	Resistance: Initial: <50 milliohms Current: 100mA minimum,5Aresistive maximum (fine silver alloy contacts); 15mA minimum,0.5Aresistive maximum (gold-platinum-silver alloy contacts);
Terminals	0.032" x 0.250" copper alloy
Connection	Inlet 0.25" for tube connection
Agency Approval	UL353, CE( EN1854: 2006, 13611: 2000)

Conversion: 1"W.C.(inch water column)= 1 inch/H2O=249Pa 1mbar=100Pa

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